72121531 (number)

72121531 is an odd 8-digits composite number following 72121530 and preceding 72121532. In scientific notation, it is written as 7.2121531 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 65024640 positive integers (up to 72121531) that are relatively prime to 72121531.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred twenty-one thousand five hundred thirty-one

Notation

Scientific notation 7.2121531 × 10^7
Engineering notation 7.2121531 × 10^6

Prime Factorization of 72121531

Prime Factorization 527 × 107 × 1279

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 72121531
Product of the distinct prime numbers

The prime factorization of 72121531 is 527 × 107 × 1279. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72121531)

Multiplication

n×y
n×2 144243062
n×3 216364593
n×4 288486124
n×5 360607655

Division

n÷y
n÷2 36060765.5
n÷3 24040510.333333
n÷3 18030382.75
n÷5 14424306.2

Exponentiation

ny
n2 5201515233783961
n3 3.7514124218032E+23
n4 2.7055760727287E+31
n5 1.9513028860216E+39

Nth Root

y√n
2√n 8492.4396377013
3√n 416.25070217246
4√n 92.154433630191
5√n 37.291769181208

Divisors of 72121531

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72121530
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72121531 can be divided by 8 positive divisors. The sum of these divisors (counting 72121531) is 1, the average is 0.125.

Base conversion 72121531

Base System Value
2 Binary 100010011000111110010111011
3 Ternary 12000201011010211
4 Quaternary 10103013302323
5 Quinary 121430342111
6 Senary 11053451551
8 Octal 423076273
10 Decimal 72121531
12 Duodecimal 201a0bb7
16 Hexadecimal 44c7cbb
20 Vigesimal 12af3gb
36 Base36 16xtbv

Cryptographic Hash Functions

md5 b86b78834a4cabeb213a81e0eed0acec
sha1 c42c3e9f21513a35a1eefa167ce29594802e716f
sha256 49856c0d06582e1268d6c2c7aa02c80a3c155dd5a5fa33d4c8f4cb4f5e39343e
sha512 3cc2a12d3eb91a059aa23e194a25b3900e2cad999c6156c97e59169de26e6f32d235605f168441531f4636a46fcc2a63876165771b7feec6062bcfa5082c109b
ripemd-160 be3323a9bf2262a11d2bb673f152bc2ce498fb87

72121531 as geometric shapes

Circle

Radius = n
Diameter 144243062
Circumference 453152943.9105
Area 1.6341042045991E+16

Sphere

Radius = n
Volume 1.5713879606563E+24
Surface area 6.5364168183964E+16
Circumference 453152943.9105

Square

Length = n
Perimeter 288486124
Area 5201515233783961
Diagonal 101995247.27931

Cube

Length = n
Surface area 31209091402703766
Volume 3.7514124218032E+23
Space diagonal 124918156.01165

Equilateral Triangle

Length = n
Perimeter 216364593
Area 2.2523221653143E+15
Altitude 62459078.005827

Triangular Pyramid

Length = n
Surface area 2.2523221653143E+15
Volume 4.4210819374742E+22
Height 33998415.759771