21072568 (number)

21072568 is an even 8-digits composite number following 21072567 and preceding 21072569. In scientific notation, it is written as 2.1072568 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors. There are 9578400 positive integers (up to 21072568) that are relatively prime to 21072568.

Interesting facts

Basic properties

Name

Name twenty-one million seventy-two thousand five hundred sixty-eight

Notation

Scientific notation 2.1072568 × 10^7
Engineering notation 2.1072568 × 10^6

Prime Factorization of 21072568

Prime Factorization 2 × 2 × 2 × 11 × 239461

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5268142
Product of the distinct prime numbers

The prime factorization of 21072568 is 2 × 2 × 2 × 11 × 239461. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21072568)

Multiplication

n×y
n×2 42145136
n×3 63217704
n×4 84290272
n×5 105362840

Division

n÷y
n÷2 10536284
n÷3 7024189.3333333
n÷3 5268142
n÷5 4214513.6

Exponentiation

ny
n2 444053122114624
n3 9.3573396113727E+21
n4 1.9718317525975E+29
n5 4.1551558691169E+36

Nth Root

y√n
2√n 4590.4866844377
3√n 276.20984531319
4√n 67.753130440133
5√n 29.157044037926

Divisors of 21072568

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21072567
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21072568 can be divided by 16 positive divisors. The sum of these divisors (counting 21072568) is 1, the average is 0.0625.

Base conversion 21072568

Base System Value
2 Binary 1010000011000101010111000
3 Ternary 1110122121010111
4 Quaternary 1100120222320
5 Quinary 20343310233
6 Senary 2031354104
8 Octal 120305270
10 Decimal 21072568
12 Duodecimal 7082934
16 Hexadecimal 1418ab8
20 Vigesimal 6be188
36 Base36 cjnp4

Cryptographic Hash Functions

md5 6e280e85f537552aa58c8f45b128db3c
sha1 99e46265d76390f242ac93fd3e49d973743cd871
sha256 99fcf783b2654806f17cf17ab58c706ad320e453e2f81e9140f34f48570ae506
sha512 8f45818daa850b13ffb1f27a73f57ef6ff301d717d3164d22620b52ce69ae69a70c4d93a6700dd2c3062b8e2cddf37cc455f6b338c427ca1b00c5b2ab1a7a3c1
ripemd-160 59fc692fc2572ffa3fccdcb7b7e96cf910298730

21072568 as geometric shapes

Circle

Radius = n
Diameter 42145136
Circumference 132402849.64214
Area 1.3950340262389E+15

Sphere

Radius = n
Volume 3.9195932506978E+22
Surface area 5.5801361049557E+15
Circumference 132402849.64214

Square

Length = n
Perimeter 84290272
Area 444053122114624
Diagonal 29801111.459629

Cube

Length = n
Surface area 2664318732687744
Volume 9.3573396113727E+21
Space diagonal 36498758.42195

Equilateral Triangle

Length = n
Perimeter 63217704
Area 1.9228064219053E+14
Altitude 18249379.210975

Triangular Pyramid

Length = n
Surface area 1.9228064219053E+14
Volume 1.1027730488445E+21
Height 9933703.8198764