21131944 (number)

21131944 is an even 8-digits composite number following 21131943 and preceding 21131945. In scientific notation, it is written as 2.1131944 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 8 positive divisors. There are 10565968 positive integers (up to 21131944) that are relatively prime to 21131944.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131944 × 10^7
Engineering notation 2.1131944 × 10^6

Prime Factorization of 21131944

Prime Factorization 2 × 2 × 2 × 2641493

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5282986
Product of the distinct prime numbers

The prime factorization of 21131944 is 2 × 2 × 2 × 2641493. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21131944)

Multiplication

n×y
n×2 42263888
n×3 63395832
n×4 84527776
n×5 105659720

Division

n÷y
n÷2 10565972
n÷3 7043981.3333333
n÷3 5282986
n÷5 4226388.8

Exponentiation

ny
n2 446559057219136
n3 9.4366609898476E+21
n4 1.9941499158444E+29
n5 4.2140264349229E+36

Nth Root

y√n
2√n 4596.9494232589
3√n 276.46902676401
4√n 67.800806951384
5√n 29.173456662259

Divisors of 21131944

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 -21131943
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 21131944 can be divided by 8 positive divisors. The sum of these divisors (counting 21131944) is 1, the average is 0.125.

Base conversion 21131944

Base System Value
2 Binary 1010000100111001010101000
3 Ternary 1110202121120121
4 Quaternary 1100213022220
5 Quinary 20402210234
6 Senary 2032533024
8 Octal 120471250
10 Decimal 21131944
12 Duodecimal 70b1174
16 Hexadecimal 14272a8
20 Vigesimal 6c19h4
36 Base36 ckxig

Cryptographic Hash Functions

md5 e74b0bd5fa6dce7247d1440d0a00afdb
sha1 3f63cc7a71f1c6a8429500b98583a0a6e203dd1c
sha256 32546aed41801fb2e85eb57f31a7f6f30a701b9ffbca4683b34d84a736a60285
sha512 0b7ab24d6fec12f6748f4dea57ff05fa75945fc35ad98f89ceb2bab07cf5ff02e062fd1e623c1ffe72f4c174c0aa002753077ed83355c48e82737f3766f36e39
ripemd-160 46ebaab0f276ed3850d32e24c97081d21c1435e0

21131944 as geometric shapes

Circle

Radius = n
Diameter 42263888
Circumference 132775920.05294
Area 1.4029066535536E+15

Sphere

Radius = n
Volume 3.9528193120163E+22
Surface area 5.6116266142145E+15
Circumference 132775920.05294

Square

Length = n
Perimeter 84527776
Area 446559057219136
Diagonal 29885081.804109

Cube

Length = n
Surface area 2679354343314816
Volume 9.4366609898476E+21
Space diagonal 36601600.6707

Equilateral Triangle

Length = n
Perimeter 63395832
Area 1.933657439209E+14
Altitude 18300800.33535

Triangular Pyramid

Length = n
Surface area 1.933657439209E+14
Volume 1.1121211629466E+21
Height 9961693.9347029