31131888 (number)
31131888 is an even 8-digits composite number following 31131887 and preceding 31131889. In scientific notation, it is written as 3.1131888 × 10^7. The sum of its digits is 33. It has a total of 7 prime factors and 40 positive divisors. There are 10296000 positive integers (up to 31131888) that are relatively prime to 31131888.
Interesting facts
- 31131888 has 40 divisors, whose sum is 81054336
- The reverse of 31131888 is 88813113
- Previous prime number is 131
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 33
- Digital Root 6
Name
| Name | thirty-one million one hundred thirty-one thousand eight hundred eighty-eight |
|---|
Notation
| Scientific notation | 3.1131888 × 10^7 |
|---|---|
| Engineering notation | 3.1131888 × 10^6 |
Prime Factorization of 31131888
Prime Factorization 2 × 2 × 2 × 2 × 3 × 131 × 4951
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 3891486 | Product of the distinct prime numbers |
The prime factorization of 31131888 is 2 × 2 × 2 × 2 × 3 × 131 × 4951. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 31131888)
Multiplication
n×y| n×2 | 62263776 |
|---|---|
| n×3 | 93395664 |
| n×4 | 124527552 |
| n×5 | 155659440 |
Division
n÷y| n÷2 | 15565944 |
|---|---|
| n÷3 | 10377296 |
| n÷3 | 7782972 |
| n÷5 | 6226377.6 |
Exponentiation
ny| n2 | 969194450444544 |
|---|---|
| n3 | 3.0172853081461E+22 |
| n4 | 9.393378827725E+29 |
| n5 | 2.9243361760631E+37 |
Nth Root
y√n| 2√n | 5579.5956842768 |
|---|---|
| 3√n | 314.58293001522 |
| 4√n | 74.696691253875 |
| 5√n | 31.523983525647 |
Divisors of 31131888
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 | -31131887 | 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 31131888 can be divided by 40 positive divisors. The sum of these divisors (counting 31131888) is 1, the average is 0.025.
Base conversion 31131888
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1110110110000100011110000 |
| 3 | Ternary | 2011120122220220 |
| 4 | Quaternary | 1312300203300 |
| 5 | Quinary | 30432210023 |
| 6 | Senary | 3031133040 |
| 8 | Octal | 166604360 |
| 10 | Decimal | 31131888 |
| 12 | Duodecimal | a514180 |
| 16 | Hexadecimal | 1db08f0 |
| 20 | Vigesimal | 9eb9e8 |
| 36 | Base36 | ij9io |
Cryptographic Hash Functions
| md5 | 8566ca28a00c400582dc6837d5cb7300 |
|---|---|
| sha1 | d37fce04dd713d9be7e64d0fafe8b1df7f4039d2 |
| sha256 | 20a703407aeddf429b502e0894165894f71bf8bf7860cd6a5767dd45dbf0ca94 |
| sha512 | 652b2da229683d19d538752b9700074c5a57759db062ab93270eed8d718eabdde46415d9f88321b3ad085e66395ec1299d2867935d2ac6d44e5bafd0d03c780f |
| ripemd-160 | bf7652cb35c6b48bb73cb5ba7b9ac0e106a6ca31 |
31131888 as geometric shapes
Circle
Radius = n| Diameter | 62263776 |
|---|---|
| Circumference | 195607421.26636 |
| Area | 3.0448141654166E+15 |
Sphere
Radius = n| Volume | 1.2638775143808E+23 |
|---|---|
| Surface area | 1.2179256661666E+16 |
| Circumference | 195607421.26636 |
Square
Length = n| Perimeter | 124527552 |
|---|---|
| Area | 969194450444544 |
| Diagonal | 44027138.23188 |
Cube
Length = n| Surface area | 5815166702667264 |
|---|---|
| Volume | 3.0172853081461E+22 |
| Space diagonal | 53922011.751544 |
Equilateral Triangle
Length = n| Perimeter | 93395664 |
|---|---|
| Area | 4.1967350764594E+14 |
| Altitude | 26961005.875772 |
Triangular Pyramid
Length = n| Surface area | 4.1967350764594E+14 |
|---|---|
| Volume | 3.5559048369411E+21 |
| Height | 14675712.74396 |