21131864 (number)

21131864 is an even 8-digits composite number following 21131863 and preceding 21131865. In scientific notation, it is written as 2.1131864 × 10^7. The sum of its digits is 26. It has a total of 6 prime factors and 32 positive divisors. There are 9590400 positive integers (up to 21131864) that are relatively prime to 21131864.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand eight hundred sixty-four

Notation

Scientific notation 2.1131864 × 10^7
Engineering notation 2.1131864 × 10^6

Prime Factorization of 21131864

Prime Factorization 2 × 2 × 2 × 13 × 61 × 3331

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5282966
Product of the distinct prime numbers

The prime factorization of 21131864 is 2 × 2 × 2 × 13 × 61 × 3331. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21131864)

Multiplication

n×y
n×2 42263728
n×3 63395592
n×4 84527456
n×5 105659320

Division

n÷y
n÷2 10565932
n÷3 7043954.6666667
n÷3 5282966
n÷5 4226372.8

Exponentiation

ny
n2 446555676114496
n3 9.4365538160796E+21
n4 1.9941197187007E+29
n5 4.2139466695302E+36

Nth Root

y√n
2√n 4596.9407218279
3√n 276.46867788382
4√n 67.800742782273
5√n 29.173434573614

Divisors of 21131864

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 -21131863
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 21131864 can be divided by 32 positive divisors. The sum of these divisors (counting 21131864) is 1, the average is 0.03125.

Base conversion 21131864

Base System Value
2 Binary 1010000100111001001011000
3 Ternary 1110202121110122
4 Quaternary 1100213021120
5 Quinary 20402204424
6 Senary 2032532412
8 Octal 120471130
10 Decimal 21131864
12 Duodecimal 70b1108
16 Hexadecimal 1427258
20 Vigesimal 6c19d4
36 Base36 ckxg8

Cryptographic Hash Functions

md5 de36c08fd1f103927de1105a3435e598
sha1 ddd64c7f995f4402369d54bd52fb72b653c4288f
sha256 3221dfb2b02bb3cccc64febf97f79068516a6fe4b3f4da8daf4bbf98cea297b9
sha512 d3a66c49808ad8448746774963d7769bf1a3b8fd28851290d9554397b980e3215b9b70a9a2d05a6ccef7a26a4ee8ebfc9f82b91b70ddbbe5bb1740bde7188163
ripemd-160 0d8b41962cc98d1e0b13bc96095e828f68046723

21131864 as geometric shapes

Circle

Radius = n
Diameter 42263728
Circumference 132775417.39812
Area 1.4028960315001E+15

Sphere

Radius = n
Volume 3.9527744191734E+22
Surface area 5.6115841260005E+15
Circumference 132775417.39812

Square

Length = n
Perimeter 84527456
Area 446555676114496
Diagonal 29884968.667024

Cube

Length = n
Surface area 2679334056686976
Volume 9.4365538160796E+21
Space diagonal 36601462.106636

Equilateral Triangle

Length = n
Perimeter 63395592
Area 1.9336427985964E+14
Altitude 18300731.053318

Triangular Pyramid

Length = n
Surface area 1.9336427985964E+14
Volume 1.1121085323969E+21
Height 9961656.2223413