21131008 (number)
21131008 is an even 8-digits composite number following 21131007 and preceding 21131009. In scientific notation, it is written as 2.1131008 × 10^7. The sum of its digits is 16. It has a total of 10 prime factors and 36 positive divisors. There are 10486784 positive integers (up to 21131008) that are relatively prime to 21131008.
Interesting facts
- 21131008 has 36 divisors, whose sum is 42494760
- The reverse of 21131008 is 80013112
- Previous prime number is 197
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 16
- Digital Root 7
Name
Name | twenty-one million one hundred thirty-one thousand eight |
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Notation
Scientific notation | 2.1131008 × 10^7 |
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Engineering notation | 2.1131008 × 10^6 |
Prime Factorization of 21131008
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 197 × 419
Composite numberω | Distinct Factors | 3 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 10 | Total number of prime factors |
rad | Radical | 165086 | Product of the distinct prime numbers |
The prime factorization of 21131008 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 197 × 419. Since it has a total of 10 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21131008)
Multiplication
n×yn×2 | 42262016 |
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n×3 | 63393024 |
n×4 | 84524032 |
n×5 | 105655040 |
Division
n÷yn÷2 | 10565504 |
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n÷3 | 7043669.3333333 |
n÷3 | 5282752 |
n÷5 | 4226201.6 |
Exponentiation
nyn2 | 446519499096064 |
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n3 | 9.4354071075549E+21 |
n4 | 1.99379663073E+29 |
n5 | 4.2130932554329E+36 |
Nth Root
y√n2√n | 4596.8476154861 |
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3√n | 276.46494481064 |
4√n | 67.800056161378 |
5√n | 29.173198220923 |
Divisors of 21131008
36 divisors
τ | Total Divisors | 36 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21131007 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.027777777777778 | 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 | 36 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21131008 can be divided by 36 positive divisors. The sum of these divisors (counting 21131008) is 1, the average is 0.027777777777778.
Base conversion 21131008
Base | System | Value |
---|---|---|
2 | Binary | 1010000100110111100000000 |
3 | Ternary | 1110202120021221 |
4 | Quaternary | 1100212330000 |
5 | Quinary | 20402143013 |
6 | Senary | 2032524424 |
8 | Octal | 120467400 |
10 | Decimal | 21131008 |
12 | Duodecimal | 70b0714 |
16 | Hexadecimal | 1426f00 |
20 | Vigesimal | 6c17a8 |
36 | Base36 | ckwsg |
Cryptographic Hash Functions
md5 | 5a25076b48c10ecdb85b39e3c9a53b10 |
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sha1 | bfcd9c03ce3a3a1cd305d9f1e65457f4e3d4c556 |
sha256 | 4ed1bc63b6f7c58082d6cd0c68cca0f77eada0c28e8c4a001fa239b2a4cfcd55 |
sha512 | 5225bf5063c9e19397cf415f64ae1ea822dc4279662459617f03f1cd940f2b0bc9e8099cd6c734dd8a0bfe22009a734d81a011b98ef8a5b957a5406cfa139321 |
ripemd-160 | 0c9b5726bdf1624f1127ad13f609e7382e2612bc |
21131008 as geometric shapes
Circle
Radius = nDiameter | 42262016 |
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Circumference | 132770038.99149 |
Area | 1.4027823780448E+15 |
Sphere
Radius = nVolume | 3.9522940870298E+22 |
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Surface area | 5.6111295121792E+15 |
Circumference | 132770038.99149 |
Square
Length = nPerimeter | 84524032 |
---|---|
Area | 446519499096064 |
Diagonal | 29883758.100214 |
Cube
Length = nSurface area | 2679116994576384 |
---|---|
Volume | 9.4354071075549E+21 |
Space diagonal | 36599979.471144 |
Equilateral Triangle
Length = nPerimeter | 63393024 |
---|---|
Area | 1.9334861475115E+14 |
Altitude | 18299989.735572 |
Triangular Pyramid
Length = nSurface area | 1.9334861475115E+14 |
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Volume | 1.1119733915013E+21 |
Height | 9961252.7000715 |