31129904 (number)
31129904 is an even 8-digits composite number following 31129903 and preceding 31129905. In scientific notation, it is written as 3.1129904 × 10^7. The sum of its digits is 29. It has a total of 7 prime factors and 40 positive divisors. There are 13609728 positive integers (up to 31129904) that are relatively prime to 31129904.
Interesting facts
- 31129904 has 40 divisors, whose sum is 68381040
- The reverse of 31129904 is 40992113
- Previous prime number is 19
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 29
- Digital Root 2
Name
| Name | thirty-one million one hundred twenty-nine thousand nine hundred four |
|---|
Notation
| Scientific notation | 3.1129904 × 10^7 |
|---|---|
| Engineering notation | 3.1129904 × 10^6 |
Prime Factorization of 31129904
Prime Factorization 2 × 2 × 2 × 2 × 13 × 19 × 7877
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 3891238 | Product of the distinct prime numbers |
The prime factorization of 31129904 is 2 × 2 × 2 × 2 × 13 × 19 × 7877. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 31129904)
Multiplication
n×y| n×2 | 62259808 |
|---|---|
| n×3 | 93389712 |
| n×4 | 124519616 |
| n×5 | 155649520 |
Division
n÷y| n÷2 | 15564952 |
|---|---|
| n÷3 | 10376634.666667 |
| n÷3 | 7782476 |
| n÷5 | 6225980.8 |
Exponentiation
ny| n2 | 969070923049216 |
|---|---|
| n3 | 3.0167084803713E+22 |
| n4 | 9.3909845389946E+29 |
| n5 | 2.9234044716439E+37 |
Nth Root
y√n| 2√n | 5579.4178907839 |
|---|---|
| 3√n | 314.57624720185 |
| 4√n | 74.695501141528 |
| 5√n | 31.523581717843 |
Divisors of 31129904
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 | -31129903 | 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 31129904 can be divided by 40 positive divisors. The sum of these divisors (counting 31129904) is 1, the average is 0.025.
Base conversion 31129904
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1110110110000000100110000 |
| 3 | Ternary | 2011120120012102 |
| 4 | Quaternary | 1312300010300 |
| 5 | Quinary | 30432124104 |
| 6 | Senary | 3031115532 |
| 8 | Octal | 166600460 |
| 10 | Decimal | 31129904 |
| 12 | Duodecimal | a512ba8 |
| 16 | Hexadecimal | 1db0130 |
| 20 | Vigesimal | 9eb4f4 |
| 36 | Base36 | ij7zk |
Cryptographic Hash Functions
| md5 | 9fb133cf1ede034d613e94aeb5a239b1 |
|---|---|
| sha1 | 7a1b96f9df54136404f2afcfedc616784464b390 |
| sha256 | ee912429b8b735802e82b28830d405cbc24c6a8b41e16ef27e07edeed4131021 |
| sha512 | 7cace92254101cad50e6d164bc6e8ba2a446e274a68b040bc4b2007060005554f0ae16c8c76c9d356b3b49d1d3b5e1a95e09bf80ea21d0f5e6db70eb8a2123b0 |
| ripemd-160 | ff26758a7356c231265462e3d7ba2e1ff9ff48b5 |
31129904 as geometric shapes
Circle
Radius = n| Diameter | 62259808 |
|---|---|
| Circumference | 195594955.42671 |
| Area | 3.0444260926589E+15 |
Sphere
Radius = n| Volume | 1.2636358933276E+23 |
|---|---|
| Surface area | 1.2177704370636E+16 |
| Circumference | 195594955.42671 |
Square
Length = n| Perimeter | 124519616 |
|---|---|
| Area | 969070923049216 |
| Diagonal | 44024332.432172 |
Cube
Length = n| Surface area | 5814425538295296 |
|---|---|
| Volume | 3.0167084803713E+22 |
| Space diagonal | 53918575.362742 |
Equilateral Triangle
Length = n| Perimeter | 93389712 |
|---|---|
| Area | 4.1962001871473E+14 |
| Altitude | 26959287.681371 |
Triangular Pyramid
Length = n| Surface area | 4.1962001871473E+14 |
|---|---|
| Volume | 3.5552250388892E+21 |
| Height | 14674777.477391 |