21131647 (number)

21131647 is an odd 8-digits composite number following 21131646 and preceding 21131648. In scientific notation, it is written as 2.1131647 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 21076936 positive integers (up to 21131647) that are relatively prime to 21131647.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131647 × 10^7
Engineering notation 2.1131647 × 10^6

Prime Factorization of 21131647

Prime Factorization 389 × 54323

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21131647
Product of the distinct prime numbers

The prime factorization of 21131647 is 389 × 54323. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21131647)

Multiplication

n×y
n×2 42263294
n×3 63394941
n×4 84526588
n×5 105658235

Division

n÷y
n÷2 10565823.5
n÷3 7043882.3333333
n÷3 5282911.75
n÷5 4226329.4

Exponentiation

ny
n2 446546504932609
n3 9.4362631113197E+21
n4 1.9940378106753E+29
n5 4.2137303119843E+36

Nth Root

y√n
2√n 4596.9171191136
3√n 276.46773154186
4√n 67.800568722642
5√n 29.173374657827

Divisors of 21131647

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21131646
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131647 can be divided by 4 positive divisors. The sum of these divisors (counting 21131647) is 1, the average is 0.25.

Base conversion 21131647

Base System Value
2 Binary 1010000100111000101111111
3 Ternary 1110202121011121
4 Quaternary 1100213011333
5 Quinary 20402203042
6 Senary 2032531411
8 Octal 120470577
10 Decimal 21131647
12 Duodecimal 70b0b67
16 Hexadecimal 142717f
20 Vigesimal 6c1927
36 Base36 ckxa7

Cryptographic Hash Functions

md5 359a29ba311b06a65c7c051069e5ea2b
sha1 2dff90384ac34e68fbfa4205a31b404d95784f2b
sha256 c7bc4c02e29bc641b80db4069196f0929f13bb69a6c5ebd493662eabb9c76379
sha512 84df6a9a33baa5433e1754b7f9c201e24186087353629a7b44380255d3a6ed1d6aff0f116b61bc908fc6d30f5805a79e80785d4c97b2e59cc76d00fae36b3f67
ripemd-160 789a0957c0269c6671c744d5c7a9db951b3dd621

21131647 as geometric shapes

Circle

Radius = n
Diameter 42263294
Circumference 132774053.94691
Area 1.4028672193825E+15

Sphere

Radius = n
Volume 3.9526526490483E+22
Surface area 5.6114688775299E+15
Circumference 132774053.94691

Square

Length = n
Perimeter 84526588
Area 446546504932609
Diagonal 29884661.782681

Cube

Length = n
Surface area 2679279029595654
Volume 9.4362631113197E+21
Space diagonal 36601086.25161

Equilateral Triangle

Length = n
Perimeter 63394941
Area 1.933603086214E+14
Altitude 18300543.125805

Triangular Pyramid

Length = n
Surface area 1.933603086214E+14
Volume 1.1120742725124E+21
Height 9961553.9275602