31621921 (number)

31621921 is an odd 8-digits composite number following 31621920 and preceding 31621922. In scientific notation, it is written as 3.1621921 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 28905984 positive integers (up to 31621921) that are relatively prime to 31621921.

Interesting facts

Basic properties

Name

Name thirty-one million six hundred twenty-one thousand nine hundred twenty-one

Notation

Scientific notation 3.1621921 × 10^7
Engineering notation 3.1621921 × 10^6

Prime Factorization of 31621921

Prime Factorization 83 × 17 × 307 × 73

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 31621921
Product of the distinct prime numbers

The prime factorization of 31621921 is 83 × 17 × 307 × 73. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 8, 26, 6, 538, 835, 9107, 5557, 3280, 91694, 17298, 140116, 9828711, 9880894, 31201392, 46259848, 480236032, 380229858, 3772362315, 3809641695

Basic calculations (n = 31621921)

Multiplication

n×y
n×2 63243842
n×3 94865763
n×4 126487684
n×5 158109605

Division

n÷y
n÷2 15810960.5
n÷3 10540640.333333
n÷3 7905480.25
n÷5 6324384.2

Exponentiation

ny
n2 999945887730241
n3 3.1620209866081E+22
n4 9.9989177838862E+29
n5 3.1618498824754E+37

Nth Root

y√n
2√n 5623.337176446
3√n 316.2249139855
4√n 74.988913690265
5√n 31.622605479495

Divisors of 31621921

1, 17, 73, 83, 307, 1241, 1411, 5219, 6059, 22411, 25481, 103003, 380987, 433177, 1860113, 31621921

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 -31621920
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 31621921 can be divided by 16 positive divisors. The sum of these divisors (counting 31621921) is 1, the average is 0.0625.

Base conversion 31621921

Base System Value
2 Binary 1111000101000001100100001
3 Ternary 2012111120010021
4 Quaternary 1320220030201
5 Quinary 31043400141
6 Senary 3045433441
8 Octal 170501441
10 Decimal 31621921
12 Duodecimal a70b881
16 Hexadecimal 1e28321
20 Vigesimal 9hceg1
36 Base36 itrmp

Cryptographic Hash Functions

md5 b5e55d8c38014d27cc66cc06e701483c
sha1 47127733e405de17b2dc19e689d05f13813e04b1
sha256 df7cebc05becdcfdc1a5f408b6f66b488cd3b5c41b6fbd5f30deda689118439e
sha512 9d35c5cb0497e68b7e9ec7da4fc6c4f4da1e1c68195f1a499b19185134058cd2771e66ea4670eefd35db9695765687de27aaed20179081bc659cb0c2d7bf6706
ripemd-160 83cb2e4859735d3ecde0cd138b47392f99ebcd25

31621921 as geometric shapes

Circle

Radius = n
Diameter 63243842
Circumference 198686389.41199
Area 3.1414226548806E+15

Sphere

Radius = n
Volume 1.3245042536033E+23
Surface area 1.2565690619523E+16
Circumference 198686389.41199

Square

Length = n
Perimeter 126487684
Area 999945887730241
Diagonal 44720149.546491

Cube

Length = n
Surface area 5999675326381446
Volume 3.1620209866081E+22
Space diagonal 54770773.804929

Equilateral Triangle

Length = n
Perimeter 94865763
Area 4.3298927059209E+14
Altitude 27385386.902465

Triangular Pyramid

Length = n
Surface area 4.3298927059209E+14
Volume 3.7264774698079E+21
Height 14906716.515497