31904912 (number)
31904912 is an even 8-digits composite number following 31904911 and preceding 31904913. In scientific notation, it is written as 3.1904912 × 10^7. The sum of its digits is 29. It has a total of 7 prime factors and 40 positive divisors. There are 14616576 positive integers (up to 31904912) that are relatively prime to 31904912.
Interesting facts
- 31904912 has 40 divisors, whose sum is 67063416
- The reverse of 31904912 is 21940913
- Previous prime number is 157
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 29
- Digital Root 2
Name
Name | thirty-one million nine hundred four thousand nine hundred twelve |
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Notation
Scientific notation | 3.1904912 × 10^7 |
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Engineering notation | 3.1904912 × 10^6 |
Prime Factorization of 31904912
Prime Factorization 2 × 2 × 2 × 2 × 13 × 157 × 977
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 3988114 | Product of the distinct prime numbers |
The prime factorization of 31904912 is 2 × 2 × 2 × 2 × 13 × 157 × 977. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 31904912)
Multiplication
n×yn×2 | 63809824 |
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n×3 | 95714736 |
n×4 | 127619648 |
n×5 | 159524560 |
Division
n÷yn÷2 | 15952456 |
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n÷3 | 10634970.666667 |
n÷3 | 7976228 |
n÷5 | 6380982.4 |
Exponentiation
nyn2 | 1017923409727744 |
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n3 | 3.2476756810104E+22 |
n4 | 1.0361680680718E+30 |
n5 | 3.3058851029039E+37 |
Nth Root
y√n2√n | 5648.4433253774 |
---|---|
3√n | 317.16543425329 |
4√n | 75.15612633297 |
5√n | 31.679003377838 |
Divisors of 31904912
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 | -31904911 | 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 31904912 can be divided by 40 positive divisors. The sum of these divisors (counting 31904912) is 1, the average is 0.025.
Base conversion 31904912
Base | System | Value |
---|---|---|
2 | Binary | 1111001101101010010010000 |
3 | Ternary | 2020000221022102 |
4 | Quaternary | 1321231102100 |
5 | Quinary | 31131424122 |
6 | Senary | 3055455532 |
8 | Octal | 171552220 |
10 | Decimal | 31904912 |
12 | Duodecimal | a8275a8 |
16 | Hexadecimal | 1e6d490 |
20 | Vigesimal | 9j825c |
36 | Base36 | iztzk |
Cryptographic Hash Functions
md5 | ac69fa3ec344a62b88fc685e5ae5aafc |
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sha1 | b4ffcee10ccb7a297d5d1d9304d3c7a9c66724b7 |
sha256 | ee3fc0ee3e6c8d39116f67ca2d0a2905ecd258e2227ae8310f37420bf9617630 |
sha512 | add38f1f342ce48fee2d83a2902e783a507c4e2db5f997102cf5abf9c3c414dfb643c21e35c76024e38823f7d5c483338a14f482d3dd4327f95b1d3cd5e1e22c |
ripemd-160 | 5fe0630a311ca2e880c965d0d2aceffbf3f13ef8 |
31904912 as geometric shapes
Circle
Radius = nDiameter | 63809824 |
---|---|
Circumference | 200464474.30526 |
Area | 3.1979007059178E+15 |
Sphere
Radius = nVolume | 1.3603832080939E+23 |
---|---|
Surface area | 1.2791602823671E+16 |
Circumference | 200464474.30526 |
Square
Length = nPerimeter | 127619648 |
---|---|
Area | 1017923409727744 |
Diagonal | 45120359.25672 |
Cube
Length = nSurface area | 6107540458366464 |
---|---|
Volume | 3.2476756810104E+22 |
Space diagonal | 55260928.595014 |
Equilateral Triangle
Length = nPerimeter | 95714736 |
---|---|
Area | 4.4077376596555E+14 |
Altitude | 27630464.297507 |
Triangular Pyramid
Length = nSurface area | 4.4077376596555E+14 |
---|---|
Volume | 3.8274224952284E+21 |
Height | 15040119.75224 |