131445840 (number)
131445840 is an even 9-digits composite number following 131445839 and preceding 131445841. In scientific notation, it is written as 1.31445840 × 10^8. The sum of its digits is 30. It has a total of 9 prime factors and 160 positive divisors. There are 33384960 positive integers (up to 131445840) that are relatively prime to 131445840.
Interesting facts
- 131445840 has 160 divisors, whose sum is 427401216
- The reverse of 131445840 is 048544131
- Previous prime number is 43
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 30
- Digital Root 3
Name
Name | one hundred thirty-one million four hundred forty-five thousand eight hundred forty |
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Notation
Scientific notation | 1.31445840 × 10^8 |
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Engineering notation | 1.31445840 × 10^6 |
Prime Factorization of 131445840
Prime Factorization 2 × 2 × 2 × 2 × 5 × 3 × 47 × 43 × 271
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 9 | Total number of prime factors |
rad | Radical | 16430730 | Product of the distinct prime numbers |
The prime factorization of 131445840 is 2 × 2 × 2 × 2 × 5 × 3 × 47 × 43 × 271. Since it has a total of 9 prime factors.
Most popular turbo-numbers
Basic calculations (n = 131445840)
Multiplication
n×yn×2 | 262891680 |
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n×3 | 394337520 |
n×4 | 525783360 |
n×5 | 657229200 |
Division
n÷yn÷2 | 65722920 |
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n÷3 | 43815280 |
n÷3 | 32861460 |
n÷5 | 26289168 |
Exponentiation
nyn2 | 17278008853305600 |
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n3 | 2.2711223872502E+24 |
n4 | 2.9852958993491E+32 |
n5 | 3.9240472713849E+40 |
Nth Root
y√n2√n | 11464.983209757 |
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3√n | 508.45081604831 |
4√n | 107.0746618475 |
5√n | 42.048389764183 |
Divisors of 131445840
160 divisors
τ | Total Divisors | 160 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -131445839 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.00625 | 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 | 160 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 131445840 can be divided by 160 positive divisors. The sum of these divisors (counting 131445840) is 1, the average is 0.00625.
Base conversion 131445840
Base | System | Value |
---|---|---|
2 | Binary | 111110101011011010001010000 |
3 | Ternary | 100011100010210110 |
4 | Quaternary | 13311123101100 |
5 | Quinary | 232122231330 |
6 | Senary | 21013201320 |
8 | Octal | 765332120 |
10 | Decimal | 131445840 |
12 | Duodecimal | 38030240 |
16 | Hexadecimal | 7d5b450 |
20 | Vigesimal | 211aec0 |
36 | Base36 | 269c9c |
Cryptographic Hash Functions
md5 | 57ba954e83319bc027c93138d6a1ba29 |
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sha1 | f49c4d96b4cff804a59efb2e85abae363aa96cea |
sha256 | 961e457a646ab7e00b72e16b543031da472d51e452ea78f0f2e16819f6d23428 |
sha512 | 072bb7aed6bd5e0fb256eb3932d740851ec93a231afc7d6a29098ef98122347d944b99eab478e1bcaf842d7204ed808e5bc751467ae7826bdd2d27d1a9377df2 |
ripemd-160 | 2e8a34270f0e579118577e28661ec5a3b5a3ff1a |
131445840 as geometric shapes
Circle
Radius = nDiameter | 262891680 |
---|---|
Circumference | 825898570.57788 |
Area | 5.4280465682204E+16 |
Sphere
Radius = nVolume | 9.5132552095847E+24 |
---|---|
Surface area | 2.1712186272882E+17 |
Circumference | 825898570.57788 |
Square
Length = nPerimeter | 525783360 |
---|---|
Area | 17278008853305600 |
Diagonal | 185892489.64552 |
Cube
Length = nSurface area | 103668053119833600 |
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Volume | 2.2711223872502E+24 |
Space diagonal | 227670873.32357 |
Equilateral Triangle
Length = nPerimeter | 394337520 |
---|---|
Area | 7.4815972968875E+15 |
Altitude | 113835436.66178 |
Triangular Pyramid
Length = nSurface area | 7.4815972968875E+15 |
---|---|
Volume | 2.6765434015487E+23 |
Height | 61964163.215175 |