21931641 (number)

21931641 is an odd 8-digits composite number following 21931640 and preceding 21931642. In scientific notation, it is written as 2.1931641 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 10 positive divisors. There are 14621040 positive integers (up to 21931641) that are relatively prime to 21931641.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1931641 × 10^7
Engineering notation 2.1931641 × 10^6

Prime Factorization of 21931641

Prime Factorization 3 × 9 × 3 × 270761

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7310547
Product of the distinct prime numbers

The prime factorization of 21931641 is 3 × 9 × 3 × 270761. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21931641)

Multiplication

n×y
n×2 43863282
n×3 65794923
n×4 87726564
n×5 109658205

Division

n÷y
n÷2 10965820.5
n÷3 7310547
n÷3 5482910.25
n÷5 4386328.2

Exponentiation

ny
n2 480996876952881
n3 1.0549050827452E+22
n4 2.3135799563842E+29
n5 5.0740605028215E+36

Nth Root

y√n
2√n 4683.1229964629
3√n 279.91341285242
4√n 68.433347108431
5√n 29.390990720927

Divisors of 21931641

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21931640
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21931641 can be divided by 10 positive divisors. The sum of these divisors (counting 21931641) is 1, the average is 0.1.

Base conversion 21931641

Base System Value
2 Binary 1010011101010011001111001
3 Ternary 1112021020120000
4 Quaternary 1103222121321
5 Quinary 21103303031
6 Senary 2102023213
8 Octal 123523171
10 Decimal 21931641
12 Duodecimal 7417b09
16 Hexadecimal 14ea679
20 Vigesimal 6h1921
36 Base36 d22k9

Cryptographic Hash Functions

md5 ae663c9c62cd9986f9b594b6d8912cca
sha1 36fdc63cacbf1fb0216ee7c8e98f2bb71833a8d7
sha256 7030418c804dbaf96b18a44052404dc12eb91a9301b0cf9c3235f018cedfc245
sha512 3ac204b9529ab668a3649de1ac8c74b2172dc9d88758e373f9527df3006008c80a7c9a90c1cb00c01596d629908c04a4140227fae86e267c08cb33c8101c4923
ripemd-160 4663df2fd197a63a31421a45ec23368038d73830

21931641 as geometric shapes

Circle

Radius = n
Diameter 43863282
Circumference 137800564.49354
Area 1.5110962550348E+15

Sphere

Radius = n
Volume 4.4187760775824E+22
Surface area 6.0443850201392E+15
Circumference 137800564.49354

Square

Length = n
Perimeter 87726564
Area 480996876952881
Diagonal 31016024.147298

Cube

Length = n
Surface area 2885981261717286
Volume 1.0549050827452E+22
Space diagonal 37986716.505361

Equilateral Triangle

Length = n
Perimeter 65794923
Area 2.0827775729109E+14
Altitude 18993358.25268

Triangular Pyramid

Length = n
Surface area 2.0827775729109E+14
Volume 1.2432175625288E+21
Height 10338674.715766