21031008 (number)
21031008 is an even 8-digits composite number following 21031007 and preceding 21031009. In scientific notation, it is written as 2.1031008 × 10^7. The sum of its digits is 15. It has a total of 8 prime factors and 48 positive divisors. There are 6912000 positive integers (up to 21031008) that are relatively prime to 21031008.
Interesting facts
- 21031008 has 48 divisors, whose sum is 55981296
- The reverse of 21031008 is 80013012
- Previous prime number is 73
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 15
- Digital Root 6
Name
Name | twenty-one million thirty-one thousand eight |
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Notation
Scientific notation | 2.1031008 × 10^7 |
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Engineering notation | 2.1031008 × 10^6 |
Prime Factorization of 21031008
Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 73 × 3001
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 1314438 | Product of the distinct prime numbers |
The prime factorization of 21031008 is 2 × 2 × 2 × 2 × 2 × 3 × 73 × 3001. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21031008)
Multiplication
n×yn×2 | 42062016 |
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n×3 | 63093024 |
n×4 | 84124032 |
n×5 | 105155040 |
Division
n÷yn÷2 | 10515504 |
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n÷3 | 7010336 |
n÷3 | 5257752 |
n÷5 | 4206201.6 |
Exponentiation
nyn2 | 442303297496064 |
---|---|
n3 | 9.3020841880661E+21 |
n4 | 1.9563220697589E+29 |
n5 | 4.1143425099676E+36 |
Nth Root
y√n2√n | 4585.9576971446 |
---|---|
3√n | 276.02814247796 |
4√n | 67.719699476184 |
5√n | 29.14553406119 |
Divisors of 21031008
48 divisors
τ | Total Divisors | 48 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21031007 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.020833333333333 | 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 | 48 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21031008 can be divided by 48 positive divisors. The sum of these divisors (counting 21031008) is 1, the average is 0.020833333333333.
Base conversion 21031008
Base | System | Value |
---|---|---|
2 | Binary | 1010000001110100001100000 |
3 | Ternary | 1110120111010020 |
4 | Quaternary | 1100032201200 |
5 | Quinary | 20340443013 |
6 | Senary | 2030433440 |
8 | Octal | 120164140 |
10 | Decimal | 21031008 |
12 | Duodecimal | 7062880 |
16 | Hexadecimal | 140e860 |
20 | Vigesimal | 6b8ha8 |
36 | Base36 | cirmo |
Cryptographic Hash Functions
md5 | 7a81ff7ddc12e3fffd81cc308f3a4657 |
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sha1 | e8562054da9a128a8d355a9fa4110b7e5c30b09d |
sha256 | 8fd6d776f6e17ae069d87323eb9fee4a301d1f367ec926b61a5547bef1930705 |
sha512 | 1e74af4b6255a800edf1ffd9b50528a5f957318551d28e68fb83a769bc8cbda1d86f0b5073d28913d86082b4cc1d9e620eb81e166c52ef5a64701d1c70ea15fa |
ripemd-160 | 21276b8a0a7b880fbf47e41bd30759a236c7120a |
21031008 as geometric shapes
Circle
Radius = nDiameter | 42062016 |
---|---|
Circumference | 132141720.46078 |
Area | 1.3895367900722E+15 |
Sphere
Radius = nVolume | 3.896447913107E+22 |
---|---|
Surface area | 5.5581471602887E+15 |
Circumference | 132141720.46078 |
Square
Length = nPerimeter | 84124032 |
---|---|
Area | 442303297496064 |
Diagonal | 29742336.743977 |
Cube
Length = nSurface area | 2653819784976384 |
---|---|
Volume | 9.3020841880661E+21 |
Space diagonal | 36426774.390388 |
Equilateral Triangle
Length = nPerimeter | 63093024 |
---|---|
Area | 1.9152294590461E+14 |
Altitude | 18213387.195194 |
Triangular Pyramid
Length = nSurface area | 1.9152294590461E+14 |
---|---|
Volume | 1.0962611347583E+21 |
Height | 9914112.2479924 |