20731408 (number)
20731408 is an even 8-digits composite number following 20731407 and preceding 20731409. In scientific notation, it is written as 2.0731408 × 10^7. The sum of its digits is 25. It has a total of 7 prime factors and 40 positive divisors. There are 10044672 positive integers (up to 20731408) that are relatively prime to 20731408.
Interesting facts
- 20731408 has 40 divisors, whose sum is 41434848
- The reverse of 20731408 is 80413702
- Previous prime number is 83
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 25
- Digital Root 7
Name
Name | twenty million seven hundred thirty-one thousand four hundred eight |
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Notation
Scientific notation | 2.0731408 × 10^7 |
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Engineering notation | 2.0731408 × 10^6 |
Prime Factorization of 20731408
Prime Factorization 2 × 2 × 2 × 2 × 67 × 83 × 233
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 2591426 | Product of the distinct prime numbers |
The prime factorization of 20731408 is 2 × 2 × 2 × 2 × 67 × 83 × 233. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20731408)
Multiplication
n×yn×2 | 41462816 |
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n×3 | 62194224 |
n×4 | 82925632 |
n×5 | 103657040 |
Division
n÷yn÷2 | 10365704 |
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n÷3 | 6910469.3333333 |
n÷3 | 5182852 |
n÷5 | 4146281.6 |
Exponentiation
nyn2 | 429791277662464 |
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n3 | 8.9101783320618E+21 |
n4 | 1.8472054235473E+29 |
n5 | 3.8295169295373E+36 |
Nth Root
y√n2√n | 4553.1755951204 |
---|---|
3√n | 274.71113690157 |
4√n | 67.477222787548 |
5√n | 29.062017486614 |
Divisors of 20731408
40 divisors
τ | Total Divisors | 40 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -20731407 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.025 | 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 | 40 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20731408 can be divided by 40 positive divisors. The sum of these divisors (counting 20731408) is 1, the average is 0.025.
Base conversion 20731408
Base | System | Value |
---|---|---|
2 | Binary | 1001111000101011000010000 |
3 | Ternary | 1110000021010221 |
4 | Quaternary | 1033011120100 |
5 | Quinary | 20301401113 |
6 | Senary | 2020202424 |
8 | Octal | 117053020 |
10 | Decimal | 20731408 |
12 | Duodecimal | 6b39414 |
16 | Hexadecimal | 13c5610 |
20 | Vigesimal | 69b8a8 |
36 | Base36 | cccgg |
Cryptographic Hash Functions
md5 | 902a3eabe34032527fc722c3770540dd |
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sha1 | 53075e11b5133efdeb0d143f3d886858a5aec92e |
sha256 | 741694bd09e04b3b09300f4dd8d8ca4ce2daf7f3f3a9a381af5acb772fdcd777 |
sha512 | b451fd99cada6c58bad45949216129ab51b96e36d3aef2d4de7e5d75a10de107587df2ff6e051b916cc5c04e274fa0e831ef9c3d4889dacba316a7327beb7d54 |
ripemd-160 | 47865dff9484b3220074f534f003122c842df78e |
20731408 as geometric shapes
Circle
Radius = nDiameter | 41462816 |
---|---|
Circumference | 130259278.14275 |
Area | 1.3502291204814E+15 |
Sphere
Radius = nVolume | 3.7322867720241E+22 |
---|---|
Surface area | 5.4009164819255E+15 |
Circumference | 130259278.14275 |
Square
Length = nPerimeter | 82925632 |
---|---|
Area | 429791277662464 |
Diagonal | 29318638.36069 |
Cube
Length = nSurface area | 2578747665974784 |
---|---|
Volume | 8.9101783320618E+21 |
Space diagonal | 35907851.96844 |
Equilateral Triangle
Length = nPerimeter | 62194224 |
---|---|
Area | 1.8610508239033E+14 |
Altitude | 17953925.98422 |
Triangular Pyramid
Length = nSurface area | 1.8610508239033E+14 |
---|---|
Volume | 1.0500745866971E+21 |
Height | 9772879.4535634 |