20138240 (number)
20138240 is an even 8-digits composite number following 20138239 and preceding 20138241. In scientific notation, it is written as 2.0138240 × 10^7. The sum of its digits is 20. It has a total of 10 prime factors and 36 positive divisors. There are 8054784 positive integers (up to 20138240) that are relatively prime to 20138240.
Interesting facts
- 20138240 has 36 divisors, whose sum is 48240444
- The reverse of 20138240 is 04283102
- Previous prime number is 5
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 20
- Digital Root 2
Name
Name | twenty million one hundred thirty-eight thousand two hundred forty |
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Notation
Scientific notation | 2.0138240 × 10^7 |
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Engineering notation | 2.0138240 × 10^6 |
Prime Factorization of 20138240
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 15733
Composite numberω | Distinct Factors | 3 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 10 | Total number of prime factors |
rad | Radical | 157330 | Product of the distinct prime numbers |
The prime factorization of 20138240 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 15733. Since it has a total of 10 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20138240)
Multiplication
n×yn×2 | 40276480 |
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n×3 | 60414720 |
n×4 | 80552960 |
n×5 | 100691200 |
Division
n÷yn÷2 | 10069120 |
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n÷3 | 6712746.6666667 |
n÷3 | 5034560 |
n÷5 | 4027648 |
Exponentiation
nyn2 | 405548710297600 |
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n3 | 8.1670372596635E+21 |
n4 | 1.6446975642405E+29 |
n5 | 3.312131427609E+36 |
Nth Root
y√n2√n | 4487.5650413114 |
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3√n | 272.06572806035 |
4√n | 66.989290497149 |
5√n | 28.893776058604 |
Divisors of 20138240
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 | -20138239 | 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 20138240 can be divided by 36 positive divisors. The sum of these divisors (counting 20138240) is 1, the average is 0.027777777777778.
Base conversion 20138240
Base | System | Value |
---|---|---|
2 | Binary | 1001100110100100100000000 |
3 | Ternary | 1101220010110202 |
4 | Quaternary | 1030310210000 |
5 | Quinary | 20123410430 |
6 | Senary | 1555344332 |
8 | Octal | 114644400 |
10 | Decimal | 20138240 |
12 | Duodecimal | 68b20a8 |
16 | Hexadecimal | 1334900 |
20 | Vigesimal | 65h5c0 |
36 | Base36 | bzmrk |
Cryptographic Hash Functions
md5 | f2a7a071ae01baf46cddb05437498621 |
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sha1 | 19b303fe2d016593fa943d587dd1960a8a58ee0d |
sha256 | 787f710d6a1a7da2ac515ae6f3aade3aa12c10c55891fe0d596c6a44cceeda96 |
sha512 | b492c59a96fc2898e0d81017781653824f4395554e4bad80b610a471c52dae40a6164b55986c07b0936f6e504a06e6dcd61d09f4758fc6a4ca2651d9c5b1c1a0 |
ripemd-160 | a7b438204b0b7cfd00760c3fc88e459a29354bc5 |
20138240 as geometric shapes
Circle
Radius = nDiameter | 40276480 |
---|---|
Circumference | 126532293.68046 |
Area | 1.2740688489438E+15 |
Sphere
Radius = nVolume | 3.4210005675404E+22 |
---|---|
Surface area | 5.096275395775E+15 |
Circumference | 126532293.68046 |
Square
Length = nPerimeter | 80552960 |
---|---|
Area | 405548710297600 |
Diagonal | 28479772.130324 |
Cube
Length = nSurface area | 2433292261785600 |
---|---|
Volume | 8.1670372596635E+21 |
Space diagonal | 34880454.855016 |
Equilateral Triangle
Length = nPerimeter | 60414720 |
---|---|
Area | 1.7560774279487E+14 |
Altitude | 17440227.427508 |
Triangular Pyramid
Length = nSurface area | 1.7560774279487E+14 |
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Volume | 9.6249457141855E+20 |
Height | 9493257.3767748 |