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

28123742 (number)

28123742 is an even 8-digits composite number following 28123741 and preceding 28123743. In scientific notation, it is written as 2.8123742 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 14061870 positive integers (up to 28123742) that are relatively prime to 28123742.

Interesting facts

28123742 has 4 divisors, whose sum is 42185616
The reverse of 28123742 is 24732182
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty-eight million one hundred twenty-three thousand seven hundred forty-two

Notation

Scientific notation	2.8123742 × 10^7
Engineering notation	2.8123742 × 10^6

Prime Factorization of 28123742

Prime Factorization 2 × 14061871

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28123742	Product of the distinct prime numbers

The prime factorization of 28123742 is 2 × 14061871. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 1, 21, 49, 974, 40, 8403, 2908, 10764, 83288, 734267, 424346, 7076502, 2092342, 20215612, 18413453, 257863681, 248428530, 1093148957, 1184675115

Basic calculations (n = 28123742)

Multiplication

n×y

n×2	56247484
n×3	84371226
n×4	112494968
n×5	140618710

Division

n÷y

n÷2	14061871
n÷3	9374580.6666667
n÷3	7030935.5
n÷5	5624748.4

Exponentiation

n^y

n²	790944864082564
n³	2.2244329293683E+22
n⁴	6.2559377801859E+29
n⁵	1.75940380098E+37

Nth Root

^y√n

²√n	5303.1822521954
³√n	304.10556554211
⁴√n	72.822951410907
⁵√n	30.88976618797

Divisors of 28123742

1, 2, 14061871, 28123742

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-28123741	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28123742 can be divided by 4 positive divisors. The sum of these divisors (counting 28123742) is 1, the average is 0.25.

Base conversion 28123742

Base	System	Value
2	Binary	1101011010010001001011110
3	Ternary	1221220211112002
4	Quaternary	1223102021132
5	Quinary	24144424432
6	Senary	2442442302
8	Octal	153221136
10	Decimal	28123742
12	Duodecimal	9503392
16	Hexadecimal	1ad225e
20	Vigesimal	8ff972
36	Base36	gqsf2

Cryptographic Hash Functions

md5	6fb1f423083db0688a9097610826d624
sha1	693170876b28862dcc3539b52fffa74d4edfc08c
sha256	0f8470381089e5c7cc50416215493272a5a477a10f368b9b06e16ef0e7b4d359
sha512	6607ae1ee9b8ba14553c285dade78b9a4989238a002ac26d0fabf338c51a8306bd93817fdd3fb14d53dbb384eeaabef7d501a8dc7aba65123d87d4df9e321701
ripemd-160	7f514e18e0b3ce709bc740348fa1bddfc0814746

28123742 as geometric shapes

Circle

Radius = n

Diameter	56247484
Circumference	176706682.51731
Area	2.4848265743964E+15

Sphere

Radius = n

Volume	9.3176828657423E+22
Surface area	9.9393062975854E+15
Circumference	176706682.51731

Square

Length = n

Perimeter	112494968
Area	790944864082564
Diagonal	39772977.361082

Cube

Length = n

Surface area	4745669184495384
Volume	2.2244329293683E+22
Space diagonal	48711750.042959

Equilateral Triangle

Length = n

Perimeter	84371226
Area	3.4248917264417E+14
Altitude	24355875.021479

Triangular Pyramid

Length = n

Surface area	3.4248917264417E+14
Volume	2.6215193477516E+21
Height	13257659.120361