31494912 (number)
31494912 is an even 8-digits composite number following 31494911 and preceding 31494913. In scientific notation, it is written as 3.1494912 × 10^7. The sum of its digits is 33. It has a total of 11 prime factors and 72 positive divisors. There are 10036224 positive integers (up to 31494912) that are relatively prime to 31494912.
Interesting facts
- 31494912 has 72 divisors, whose sum is 87515904
- The reverse of 31494912 is 21949413
- Previous prime number is 23
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 33
- Digital Root 6
Name
Name | thirty-one million four hundred ninety-four thousand nine hundred twelve |
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Notation
Scientific notation | 3.1494912 × 10^7 |
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Engineering notation | 3.1494912 × 10^6 |
Prime Factorization of 31494912
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 23 × 1783
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 11 | Total number of prime factors |
rad | Radical | 246054 | Product of the distinct prime numbers |
The prime factorization of 31494912 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 23 × 1783. Since it has a total of 11 prime factors.
Most popular turbo-numbers
Basic calculations (n = 31494912)
Multiplication
n×yn×2 | 62989824 |
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n×3 | 94484736 |
n×4 | 125979648 |
n×5 | 157474560 |
Division
n÷yn÷2 | 15747456 |
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n÷3 | 10498304 |
n÷3 | 7873728 |
n÷5 | 6298982.4 |
Exponentiation
nyn2 | 991929481887744 |
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n3 | 3.124073174226E+22 |
n4 | 9.8392409703809E+29 |
n5 | 3.0988602850894E+37 |
Nth Root
y√n2√n | 5612.0327867895 |
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3√n | 315.80097492614 |
4√n | 74.913502032607 |
5√n | 31.597162219754 |
Divisors of 31494912
72 divisors
τ | Total Divisors | 72 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -31494911 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.013888888888889 | 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 | 72 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 31494912 can be divided by 72 positive divisors. The sum of these divisors (counting 31494912) is 1, the average is 0.013888888888889.
Base conversion 31494912
Base | System | Value |
---|---|---|
2 | Binary | 1111000001001001100000000 |
3 | Ternary | 2012021002220020 |
4 | Quaternary | 1320021030000 |
5 | Quinary | 31030314122 |
6 | Senary | 3043013440 |
8 | Octal | 170111400 |
10 | Decimal | 31494912 |
12 | Duodecimal | a66a280 |
16 | Hexadecimal | 1e09300 |
20 | Vigesimal | 9ggh5c |
36 | Base36 | ir1mo |
Cryptographic Hash Functions
md5 | bee2fc0683e86450e51b210dd923a000 |
---|---|
sha1 | bf4d36afde6706c28f943297a8bb40dee6501ecb |
sha256 | ad139c9553771d5bbdee12a171fe8a3237ed5ff22a6f92732b4933873ab2ba2e |
sha512 | 50c4ca35c2ca4fca45ba9e8b7aaab3a22fa1f320c31d78577aa9f18282c555652bda53766adec14c3eafa7a4f05fe580ee5d72d35164ba6d664cdfa0f4ff1d0d |
ripemd-160 | 9b2ffa000311587741ba587a3758177244f84a03 |
31494912 as geometric shapes
Circle
Radius = nDiameter | 62989824 |
---|---|
Circumference | 197888368.32931 |
Area | 3.1162383731777E+15 |
Sphere
Radius = nVolume | 1.3086087111234E+23 |
---|---|
Surface area | 1.2464953492711E+16 |
Circumference | 197888368.32931 |
Square
Length = nPerimeter | 125979648 |
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Area | 991929481887744 |
Diagonal | 44540531.696147 |
Cube
Length = nSurface area | 5951576891326464 |
---|---|
Volume | 3.124073174226E+22 |
Space diagonal | 54550787.763911 |
Equilateral Triangle
Length = nPerimeter | 94484736 |
---|---|
Area | 4.2951806503876E+14 |
Altitude | 27275393.881955 |
Triangular Pyramid
Length = nSurface area | 4.2951806503876E+14 |
---|---|
Volume | 3.6817555440303E+21 |
Height | 14846843.898716 |