13121808 (number)
13121808 is an even 8-digits composite number following 13121807 and preceding 13121809. In scientific notation, it is written as 1.3121808 × 10^7. The sum of its digits is 24. It has a total of 7 prime factors and 40 positive divisors. There are 3744384 positive integers (up to 13121808) that are relatively prime to 13121808.
Interesting facts
- 13121808 has 40 divisors, whose sum is 27211800
- The reverse of 13121808 is 80812131
- Previous prime number is 49
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 24
- Digital Root 6
Name
Name | thirteen million one hundred twenty-one thousand eight hundred eight |
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Notation
Scientific notation | 1.3121808 × 10^7 |
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Engineering notation | 1.3121808 × 10^6 |
Prime Factorization of 13121808
Prime Factorization 2 × 2 × 2 × 2 × 21 × 49 × 797
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 1640226 | Product of the distinct prime numbers |
The prime factorization of 13121808 is 2 × 2 × 2 × 2 × 21 × 49 × 797. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 13121808)
Multiplication
n×yn×2 | 26243616 |
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n×3 | 39365424 |
n×4 | 52487232 |
n×5 | 65609040 |
Division
n÷yn÷2 | 6560904 |
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n÷3 | 4373936 |
n÷3 | 3280452 |
n÷5 | 2624361.6 |
Exponentiation
nyn2 | 172181845188864 |
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n3 | 2.259337113654E+21 |
n4 | 2.9646587812642E+28 |
n5 | 3.8901683313263E+35 |
Nth Root
y√n2√n | 3622.4036219063 |
---|---|
3√n | 235.86557507916 |
4√n | 60.186407285253 |
5√n | 26.521539850406 |
Divisors of 13121808
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 | -13121807 | 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 13121808 can be divided by 40 positive divisors. The sum of these divisors (counting 13121808) is 1, the average is 0.025.
Base conversion 13121808
Base | System | Value |
---|---|---|
2 | Binary | 110010000011100100010000 |
3 | Ternary | 220200122201220 |
4 | Quaternary | 302003210100 |
5 | Quinary | 11324344213 |
6 | Senary | 1145125040 |
8 | Octal | 62034420 |
10 | Decimal | 13121808 |
12 | Duodecimal | 4489780 |
16 | Hexadecimal | c83910 |
20 | Vigesimal | 4204a8 |
36 | Base36 | 7t8uo |
Cryptographic Hash Functions
md5 | 30cd912e44eb19596139b3089ebc0311 |
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sha1 | a7ab4498ce93dc053c8d1467812432b8f13702f3 |
sha256 | b76761e3474e891be9af043e301f8b8ae23b0faa6f07cfed64700beda777118f |
sha512 | 71a4289cf18bab701d06aea2dae5f0b7bda2985e948b88a7b6aa34da1e24dd9de9078baa340d0da09882d91fb44777c18729271a5849bdcd002a0cb3b811509c |
ripemd-160 | 9ee9714282fba4d0ce92f58cb21ad6561f036f60 |
13121808 as geometric shapes
Circle
Radius = nDiameter | 26243616 |
---|---|
Circumference | 82446751.229232 |
Area | 5.4092521992687E+14 |
Sphere
Radius = nVolume | 9.4638891709842E+21 |
---|---|
Surface area | 2.1637008797075E+15 |
Circumference | 82446751.229232 |
Square
Length = nPerimeter | 52487232 |
---|---|
Area | 172181845188864 |
Diagonal | 18557038.836456 |
Cube
Length = nSurface area | 1033091071133184 |
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Volume | 2.259337113654E+21 |
Space diagonal | 22727638.143164 |
Equilateral Triangle
Length = nPerimeter | 39365424 |
---|---|
Area | 74556926002018 |
Altitude | 11363819.071582 |
Triangular Pyramid
Length = nSurface area | 74556926002018 |
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Volume | 2.6626543234186E+20 |
Height | 6185679.6121519 |