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

21231428 (number)

21231428 is an even 8-digits composite number following 21231427 and preceding 21231429. In scientific notation, it is written as 2.1231428 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 6 positive divisors. There are 10615712 positive integers (up to 21231428) that are relatively prime to 21231428.

Interesting facts

21231428 has 6 divisors, whose sum is 37155006
The reverse of 21231428 is 82413212
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	twenty-one million two hundred thirty-one thousand four hundred twenty-eight

Notation

Scientific notation	2.1231428 × 10^7
Engineering notation	2.1231428 × 10^6

Prime Factorization of 21231428

Prime Factorization 2 × 2 × 5307857

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	10615714	Product of the distinct prime numbers

The prime factorization of 21231428 is 2 × 2 × 5307857. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 8, 4, 76, 883, 111, 1789, 4532, 95503, 92498, 134492, 151401, 1522653, 4839436, 20820972, 35782600, 137504532, 188153367, 5850518077, 1302904495

Basic calculations (n = 21231428)

Multiplication

n×y

n×2	42462856
n×3	63694284
n×4	84925712
n×5	106157140

Division

n÷y

n÷2	10615714
n÷3	7077142.6666667
n÷3	5307857
n÷5	4246285.6

Exponentiation

n^y

n²	450773534919184
n³	9.5705658509421E+21
n⁴	2.0319677978354E+29
n⁵	4.314157799806E+36

Nth Root

^y√n

²√n	4607.7573720846
³√n	276.90219713575
⁴√n	67.880463847005
⁵√n	29.200873375442

Divisors of 21231428

1, 2, 4, 5307857, 10615714, 21231428

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21231427	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21231428 can be divided by 6 positive divisors. The sum of these divisors (counting 21231428) is 1, the average is 0.16666666666667.

Base conversion 21231428

Base	System	Value
2	Binary	1010000111111011101000100
3	Ternary	1110221200001012
4	Quaternary	1100333131010
5	Quinary	20413401203
6	Senary	2035021352
8	Octal	120773504
10	Decimal	21231428
12	Duodecimal	713a858
16	Hexadecimal	143f744
20	Vigesimal	6cdib8
36	Base36	cn29w

Cryptographic Hash Functions

md5	e92296bd02e289c969463d8ce51387cf
sha1	006b98993530f98e4f1d858336f211364a955b18
sha256	f8d2ccc29e0bfb35f8ee75223cd5c7f4899df1a84f000bfd39aee274c8c3e7ec
sha512	1928eff23a3dd70fbf2ccdec7e435f5ac2624aae4593947b63574e22c046e68d92a1b73684bdc0b7809bb79164cdd06af3a4194ee243ad4c7e9465d48dc61d8a
ripemd-160	e4f3aad872bda070824c296a6885d46d7516c020

21231428 as geometric shapes

Circle

Radius = n

Diameter	42462856
Circumference	133400996.46004
Area	1.4161468257348E+15

Sphere

Radius = n

Volume	4.008909249069E+22
Surface area	5.6645873029392E+15
Circumference	133400996.46004

Square

Length = n

Perimeter	84925712
Area	450773534919184
Diagonal	30025773.426148

Cube

Length = n

Surface area	2704641209515104
Volume	9.5705658509421E+21
Space diagonal	36773912.01324

Equilateral Triangle

Length = n

Perimeter	63694284
Area	1.9519066629686E+14
Altitude	18386956.00662

Triangular Pyramid

Length = n

Surface area	1.9519066629686E+14
Volume	1.1279020021656E+21
Height	10008591.142049