31920912 (number)
31920912 is an even 8-digits composite number following 31920911 and preceding 31920913. In scientific notation, it is written as 3.1920912 × 10^7. The sum of its digits is 27. It has a total of 8 prime factors and 80 positive divisors. There are 10077696 positive integers (up to 31920912) that are relatively prime to 31920912.
Interesting facts
- 31920912 has 80 divisors, whose sum is 96472000
- The reverse of 31920912 is 21902913
- Previous prime number is 19
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
| Name | thirty-one million nine hundred twenty thousand nine hundred twelve |
|---|
Notation
| Scientific notation | 3.1920912 × 10^7 |
|---|---|
| Engineering notation | 3.1920912 × 10^6 |
Prime Factorization of 31920912
Prime Factorization 2 × 2 × 2 × 2 × 3 × 9 × 19 × 3889
Composite number| ω | Distinct Factors | 5 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 8 | Total number of prime factors |
| rad | Radical | 3990114 | Product of the distinct prime numbers |
The prime factorization of 31920912 is 2 × 2 × 2 × 2 × 3 × 9 × 19 × 3889. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 31920912)
Multiplication
n×y| n×2 | 63841824 |
|---|---|
| n×3 | 95762736 |
| n×4 | 127683648 |
| n×5 | 159604560 |
Division
n÷y| n÷2 | 15960456 |
|---|---|
| n÷3 | 10640304 |
| n÷3 | 7980228 |
| n÷5 | 6384182.4 |
Exponentiation
ny| n2 | 1018944622911744 |
|---|---|
| n3 | 3.2525641640839E+22 |
| n4 | 1.0382481445608E+30 |
| n5 | 3.3141827656687E+37 |
Nth Root
y√n| 2√n | 5649.8594672788 |
|---|---|
| 3√n | 317.21844384305 |
| 4√n | 75.165547076296 |
| 5√n | 31.682180082476 |
Divisors of 31920912
80 divisors
| τ | Total Divisors | 80 | Total number of the positive divisors of n |
|---|---|---|---|
| σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
| s | Aliquot Sum | -31920911 | Sum of the proper positive divisors of n |
| A | Arithmetic Mean | 0.0125 | 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 | 80 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 31920912 can be divided by 80 positive divisors. The sum of these divisors (counting 31920912) is 1, the average is 0.0125.
Base conversion 31920912
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1111001110001001100010000 |
| 3 | Ternary | 2020001202021000 |
| 4 | Quaternary | 1321301030100 |
| 5 | Quinary | 31132432122 |
| 6 | Senary | 3100102000 |
| 8 | Octal | 171611420 |
| 10 | Decimal | 31920912 |
| 12 | Duodecimal | a834900 |
| 16 | Hexadecimal | 1e71310 |
| 20 | Vigesimal | 9ja25c |
| 36 | Base36 | j06c0 |
Cryptographic Hash Functions
| md5 | 0d2e21125a606fca4703c62ead30562c |
|---|---|
| sha1 | ed1508496c5fbbb3d259e9f3b8732760f61ea97d |
| sha256 | 186cdf370f3a8272c41db7b17788ffbad328aa42d401e497aced352d453dbdc8 |
| sha512 | f00cad1d62aca718e45c4129d2a402921d049410a7e54474bea0739925a9f30bea9d4f1f2b07925ec306bf9838e0d795de740ca7238beb176dd4734f2affcc1f |
| ripemd-160 | cf702a77ea72314fe77e0a13212452cdb0efae95 |
31920912 as geometric shapes
Circle
Radius = n| Diameter | 63841824 |
|---|---|
| Circumference | 200565005.27017 |
| Area | 3.2011089417544E+15 |
Sphere
Radius = n| Volume | 1.3624308910954E+23 |
|---|---|
| Surface area | 1.2804435767017E+16 |
| Circumference | 200565005.27017 |
Square
Length = n| Perimeter | 127683648 |
|---|---|
| Area | 1018944622911744 |
| Diagonal | 45142986.673718 |
Cube
Length = n| Surface area | 6113667737470464 |
|---|---|
| Volume | 3.2525641640839E+22 |
| Space diagonal | 55288641.407935 |
Equilateral Triangle
Length = n| Perimeter | 95762736 |
|---|---|
| Area | 4.4121596424556E+14 |
| Altitude | 27644320.703968 |
Triangular Pyramid
Length = n| Surface area | 4.4121596424556E+14 |
|---|---|
| Volume | 3.8331836277801E+21 |
| Height | 15047662.224573 |