31492720 (number)
31492720 is an even 8-digits composite number following 31492719 and preceding 31492721. In scientific notation, it is written as 3.1492720 × 10^7. The sum of its digits is 28. It has a total of 7 prime factors and 40 positive divisors. There are 10797312 positive integers (up to 31492720) that are relatively prime to 31492720.
Interesting facts
- 31492720 has 40 divisors, whose sum is 83682144
- The reverse of 31492720 is 02729413
- Previous prime number is 7
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 28
- Digital Root 1
Name
| Name | thirty-one million four hundred ninety-two thousand seven hundred twenty |
|---|
Notation
| Scientific notation | 3.1492720 × 10^7 |
|---|---|
| Engineering notation | 3.1492720 × 10^6 |
Prime Factorization of 31492720
Prime Factorization 2 × 2 × 2 × 2 × 5 × 7 × 56237
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 3936590 | Product of the distinct prime numbers |
The prime factorization of 31492720 is 2 × 2 × 2 × 2 × 5 × 7 × 56237. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 31492720)
Multiplication
n×y| n×2 | 62985440 |
|---|---|
| n×3 | 94478160 |
| n×4 | 125970880 |
| n×5 | 157463600 |
Division
n÷y| n÷2 | 15746360 |
|---|---|
| n÷3 | 10497573.333333 |
| n÷3 | 7873180 |
| n÷5 | 6298544 |
Exponentiation
ny| n2 | 991791412998400 |
|---|---|
| n3 | 3.1234209267963E+22 |
| n4 | 9.8365020689736E+29 |
| n5 | 3.0977820543761E+37 |
Nth Root
y√n| 2√n | 5611.8374887375 |
|---|---|
| 3√n | 315.79364832688 |
| 4√n | 74.91219853093 |
| 5√n | 31.596722384216 |
Divisors of 31492720
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 | -31492719 | 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 31492720 can be divided by 40 positive divisors. The sum of these divisors (counting 31492720) is 1, the average is 0.025.
Base conversion 31492720
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1111000001000101001110000 |
| 3 | Ternary | 2012020222220001 |
| 4 | Quaternary | 1320020221300 |
| 5 | Quinary | 31030231340 |
| 6 | Senary | 3042555344 |
| 8 | Octal | 170105160 |
| 10 | Decimal | 31492720 |
| 12 | Duodecimal | a668b54 |
| 16 | Hexadecimal | 1e08a70 |
| 20 | Vigesimal | 9ggbg0 |
| 36 | Base36 | iqzxs |
Cryptographic Hash Functions
| md5 | 519655a423ab3ee1f06bd7ab361cf95b |
|---|---|
| sha1 | e8b4d613150d213f9f51d1e58ab88bc2004df6c5 |
| sha256 | a06a3591807d59d3ddfb9c241046be21569c1d8b1440d0e741949370b25c814b |
| sha512 | 6196050fcaf1fe9beeea30514942aa8953b8baf44a62b5418ce2727e32e57219092600bcd2506fc58a1649ddcca656f9293c92a4229b049fb8f716b5bf3fa96f |
| ripemd-160 | 343364ad8d77cb2c75d8b67f91909d2117c56bf8 |
31492720 as geometric shapes
Circle
Radius = n| Diameter | 62985440 |
|---|---|
| Circumference | 197874595.58712 |
| Area | 3.1158046169692E+15 |
Sphere
Radius = n| Volume | 1.3083354983589E+23 |
|---|---|
| Surface area | 1.2463218467877E+16 |
| Circumference | 197874595.58712 |
Square
Length = n| Perimeter | 125970880 |
|---|---|
| Area | 991791412998400 |
| Diagonal | 44537431.740018 |
Cube
Length = n| Surface area | 5950748477990400 |
|---|---|
| Volume | 3.1234209267963E+22 |
| Space diagonal | 54546991.108541 |
Equilateral Triangle
Length = n| Perimeter | 94478160 |
|---|---|
| Area | 4.2945827945594E+14 |
| Altitude | 27273495.55427 |
Triangular Pyramid
Length = n| Surface area | 4.2945827945594E+14 |
|---|---|
| Volume | 3.6809868630627E+21 |
| Height | 14845810.580006 |