21502008 (number)
21502008 is an even 8-digits composite number following 21502007 and preceding 21502009. In scientific notation, it is written as 2.1502008 × 10^7. The sum of its digits is 18. It has a total of 7 prime factors and 64 positive divisors. There are 6128640 positive integers (up to 21502008) that are relatively prime to 21502008.
Interesting facts
- 21502008 has 64 divisors, whose sum is 51775200
- The reverse of 21502008 is 80020512
- Previous prime number is 17
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 18
- Digital Root 9
Name
Name | twenty-one million five hundred two thousand eight |
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Notation
Scientific notation | 2.1502008 × 10^7 |
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Engineering notation | 2.1502008 × 10^6 |
Prime Factorization of 21502008
Prime Factorization 2 × 2 × 2 × 11 × 9 × 17 × 1597
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 5375502 | Product of the distinct prime numbers |
The prime factorization of 21502008 is 2 × 2 × 2 × 11 × 9 × 17 × 1597. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21502008)
Multiplication
n×yn×2 | 43004016 |
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n×3 | 64506024 |
n×4 | 86008032 |
n×5 | 107510040 |
Division
n÷yn÷2 | 10751004 |
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n÷3 | 7167336 |
n÷3 | 5375502 |
n÷5 | 4300401.6 |
Exponentiation
nyn2 | 462336348032064 |
---|---|
n3 | 9.9411598540762E+21 |
n4 | 2.1375489871163E+29 |
n5 | 4.5961595421366E+36 |
Nth Root
y√n2√n | 4637.025770901 |
---|---|
3√n | 278.07354471233 |
4√n | 68.095710370779 |
5√n | 29.274925856278 |
Divisors of 21502008
64 divisors
τ | Total Divisors | 64 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21502007 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.015625 | 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 | 64 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21502008 can be divided by 64 positive divisors. The sum of these divisors (counting 21502008) is 1, the average is 0.015625.
Base conversion 21502008
Base | System | Value |
---|---|---|
2 | Binary | 1010010000001100000111000 |
3 | Ternary | 1111110102012200 |
4 | Quaternary | 1102001200320 |
5 | Quinary | 21001031013 |
6 | Senary | 2044510200 |
8 | Octal | 122014070 |
10 | Decimal | 21502008 |
12 | Duodecimal | 724b360 |
16 | Hexadecimal | 1481838 |
20 | Vigesimal | 6e7f08 |
36 | Base36 | csv20 |
Cryptographic Hash Functions
md5 | e7e730f9f51b1ab4ba405c55de6da90d |
---|---|
sha1 | 0bf2b5c2c4c8303c393e960c76b76064a3d6a9a1 |
sha256 | 358cdf33b3b52c99e4e9b593578863c290396f557f94c4773a11e74a965a5579 |
sha512 | 48d52a2e8496aa45682eb08680dc90ec8a947ed28ece055480a45f077a2d0310668195c7a3ed9989bb5782ba7ff60d22b5ee69e56d94d0f5a7dd93de3123a757 |
ripemd-160 | f72c744b9ce3f42362f6edb076facf89e350f5f0 |
21502008 as geometric shapes
Circle
Radius = nDiameter | 43004016 |
---|---|
Circumference | 135101100.74046 |
Area | 1.4524724744651E+15 |
Sphere
Radius = nVolume | 4.164143302097E+22 |
---|---|
Surface area | 5.8098898978603E+15 |
Circumference | 135101100.74046 |
Square
Length = nPerimeter | 86008032 |
---|---|
Area | 462336348032064 |
Diagonal | 30408431.331855 |
Cube
Length = nSurface area | 2774018088192384 |
---|---|
Volume | 9.9411598540762E+21 |
Space diagonal | 37242570.320752 |
Equilateral Triangle
Length = nPerimeter | 64506024 |
---|---|
Area | 2.0019751124435E+14 |
Altitude | 18621285.160376 |
Triangular Pyramid
Length = nSurface area | 2.0019751124435E+14 |
---|---|
Volume | 1.1715769242795E+21 |
Height | 10136143.777285 |