21132561 (number)

21132561 is an odd 8-digits composite number following 21132560 and preceding 21132562. In scientific notation, it is written as 2.1132561 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors. There are 12719168 positive integers (up to 21132561) that are relatively prime to 21132561.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1132561 × 10^7
Engineering notation 2.1132561 × 10^6

Prime Factorization of 21132561

Prime Factorization 3 × 29 × 59 × 23 × 179

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21132561
Product of the distinct prime numbers

The prime factorization of 21132561 is 3 × 29 × 59 × 23 × 179. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21132561)

Multiplication

n×y
n×2 42265122
n×3 63397683
n×4 84530244
n×5 105662805

Division

n÷y
n÷2 10566280.5
n÷3 7044187
n÷3 5283140.25
n÷5 4226512.2

Exponentiation

ny
n2 446585134418721
n3 9.4374875947968E+21
n4 1.9943828228379E+29
n5 4.2146416660973E+36

Nth Root

y√n
2√n 4597.0165324915
3√n 276.47171747291
4√n 67.801301849533
5√n 29.173627018688

Divisors of 21132561

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21132560
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21132561 can be divided by 32 positive divisors. The sum of these divisors (counting 21132561) is 1, the average is 0.03125.

Base conversion 21132561

Base System Value
2 Binary 1010000100111010100010001
3 Ternary 1110202122102110
4 Quaternary 1100213110101
5 Quinary 20402220221
6 Senary 2032535533
8 Octal 120472421
10 Decimal 21132561
12 Duodecimal 70b15a9
16 Hexadecimal 1427511
20 Vigesimal 6c1b81
36 Base36 ckxzl

Cryptographic Hash Functions

md5 08c4af2b0b193f13fbc9ecdbb1773627
sha1 ca38cd8a4f61fa16b2332a29fcdebd48fe7aa8ad
sha256 530a46ec706672a190c066d94082f26f6ed742198e4fac32e306374e30060fd5
sha512 e616d743d5198e96be59a706f2ca91035b66831dd549d5d8e70b032bcd682e0f60b7878226f31266563b0200ec1e7df4f255ffd2c5f920373cb78159d7f5a2f4
ripemd-160 1620b11b021ae095e3d8f643cdd86225c83bd9f9

21132561 as geometric shapes

Circle

Radius = n
Diameter 42265122
Circumference 132779796.77828
Area 1.4029885774923E+15

Sphere

Radius = n
Volume 3.9531655594878E+22
Surface area 5.6119543099691E+15
Circumference 132779796.77828

Square

Length = n
Perimeter 84530244
Area 446585134418721
Diagonal 29885954.373877

Cube

Length = n
Surface area 2679510806512326
Volume 9.4374875947968E+21
Space diagonal 36602669.346049

Equilateral Triangle

Length = n
Perimeter 63397683
Area 1.9337703567955E+14
Altitude 18301334.673024

Triangular Pyramid

Length = n
Surface area 1.9337703567955E+14
Volume 1.1122185792741E+21
Height 9961984.7912922