Math question: What is the square root of 1428?

The square root of 1428 is approximately 37.804. To find the square root of 1428, we can use a calculator or estimation techniques. By using a calculator, we get the answer as 37.80398987193967. To estimate the square root of 1428, we notice that it lies between the square roots of 1369 (37 squared) and 1521 (39 squared). The value falls closer to 37 since 1428 is closer to 1369 than 1521. Therefore, we can estimate the square root of 1428 to be approximately 37. Either way, the square root of 1428 is approximately 37.804.

Math question: What is the sum of all the even divisors of 1428?

To find the even divisors of 1428, we need to find the factors of 1428. Writing 1428 as a product of its prime factors, we get 2^2 * 3 * 7 * 17. Now, we can form divisors by varying the powers of these prime factors. The divisors will either be odd or even. In this case, we are interested only in the even divisors. By counting the factors of 1428, we find that we can have the power of 2 vary from 0 to 2 in order to form even divisors. Therefore, we have 3 options for the power of 2 (0, 1, or 2). Similarly, the power of 3 can vary from 0 to 1 (2 options), and both 7 and 17 have fixed powers (1 each). Hence, we have a total of 3 * 2 * 1 * 1 = 6 even divisors. They are: 2, 4, 6, 12, 14, and 28. The sum of these even divisors is 2 + 4 + 6 + 12 + 14 + 28 = 66.

Math question: What is the sum of the digits of the number 1428?

To find the sum of the digits in the number 1428, we add each digit individually. 1 + 4 + 2 + 8 = 15 Therefore, the sum of the digits of the number 1428 is 15.

Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

1428 (number)

1428 is an even 4-digits composite number following 1427 and preceding 1429. In scientific notation, it is written as 1.428 × 10^3. The sum of its digits is 15. It has a total of 5 prime factors and 24 positive divisors. There are 384 positive integers (up to 1428) that are relatively prime to 1428.

Interesting facts

1428 has 24 divisors, whose sum is 4032
The reverse of 1428 is 8241
Previous prime number is 7

Basic properties

Is Prime? no
Number parity even
Number length 4
Sum of Digits 15
Digital Root 6

Name

Name	one thousand four hundred twenty-eight

Notation

Scientific notation	1.428 × 10^3
Engineering notation	1.428 × 10^3

Prime Factorization of 1428

Prime Factorization 2 × 2 × 3 × 7 × 17

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	714	Product of the distinct prime numbers

The prime factorization of 1428 is 2 × 2 × 3 × 7 × 17. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 1, 83, 72, 24, 1, 8073, 7941, 30939, 55820, 831360, 964693, 1537812, 9243600, 16443721, 57572449, 864310007, 223350569, 4198117209, 2839854651

Basic calculations (n = 1428)

Multiplication

n×y

n×2	2856
n×3	4284
n×4	5712
n×5	7140

Division

n÷y

n÷2	714
n÷3	476
n÷3	357
n÷5	285.6

Exponentiation

n^y

n²	2039184
n³	2911954752
n⁴	4158271385856
n⁵	5938011539002368

Nth Root

^y√n

²√n	37.788887255382
³√n	11.260976940329
⁴√n	6.1472666491199
⁵√n	4.2750937354949

Divisors of 1428

1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428

24 divisors

τ	Total Divisors	24	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-1427	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.041666666666667	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	1	Returns the nth root of the product of n divisors
H	Harmonic Mean	24	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1428 can be divided by 24 positive divisors. The sum of these divisors (counting 1428) is 1, the average is 0.041666666666667.

Base conversion 1428

Base	System	Value
2	Binary	10110010100
3	Ternary	1221220
4	Quaternary	112110
5	Quinary	21203
6	Senary	10340
8	Octal	2624
10	Decimal	1428
12	Duodecimal	9b0
16	Hexadecimal	594
20	Vigesimal	3b8
36	Base36	13o

Cryptographic Hash Functions

md5	0663a4ddceacb40b095eda264a85f15c
sha1	b72d0c4cbff9cfa94406481206390e0c4326ffe4
sha256	da4bb298d82e8b0c1cde703b60549806e385df057824e9c9b032167c945b0fa8
sha512	7f61ad90136cacfc6889049d612eb81a2ebe5bac0cf8960811135edbfc4fb9c17e32b00c203ddad2822b3477cc112e144cc3cb413c81457f282fbc6d9e94873d
ripemd-160	54e8f9746883b9bf3c633534027ec3b67cd427e9

1428 as geometric shapes

Circle

Radius = n

Diameter	2856
Circumference	8972.3886186524
Area	6406285.4737178

Sphere

Radius = n

Volume	12197567541.959
Surface area	25625141.894871
Circumference	8972.3886186524

Square

Length = n

Perimeter	5712
Area	2039184
Diagonal	2019.4969670688

Cube

Length = n

Surface area	12235104
Volume	2911954752
Space diagonal	2473.3685532084

Equilateral Triangle

Length = n

Perimeter	4284
Area	882992.57349538
Altitude	1236.6842766042

Triangular Pyramid

Length = n

Surface area	882992.57349538
Volume	343177158.60793
Height	673.16565568959