31242280 (number)
31242280 is an even 8-digits composite number following 31242279 and preceding 31242281. In scientific notation, it is written as 3.1242280 × 10^7. The sum of its digits is 22. It has a total of 7 prime factors and 64 positive divisors. There are 11531520 positive integers (up to 31242280) that are relatively prime to 31242280.
Interesting facts
- 31242280 has 64 divisors, whose sum is 75945600
- The reverse of 31242280 is 08224213
- Previous prime number is 29
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 22
- Digital Root 4
Name
Name | thirty-one million two hundred forty-two thousand two hundred eighty |
---|
Notation
Scientific notation | 3.1242280 × 10^7 |
---|---|
Engineering notation | 3.1242280 × 10^6 |
Prime Factorization of 31242280
Prime Factorization 2 × 2 × 2 × 5 × 23 × 29 × 1171
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 7810570 | Product of the distinct prime numbers |
The prime factorization of 31242280 is 2 × 2 × 2 × 5 × 23 × 29 × 1171. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 31242280)
Multiplication
n×yn×2 | 62484560 |
---|---|
n×3 | 93726840 |
n×4 | 124969120 |
n×5 | 156211400 |
Division
n÷yn÷2 | 15621140 |
---|---|
n÷3 | 10414093.333333 |
n÷3 | 7810570 |
n÷5 | 6248456 |
Exponentiation
nyn2 | 976080059598400 |
---|---|
n3 | 3.049496652439E+22 |
n4 | 9.5273228274562E+29 |
n5 | 2.9765528742578E+37 |
Nth Root
y√n2√n | 5589.4794033076 |
---|---|
3√n | 314.95432276287 |
4√n | 74.762820996185 |
5√n | 31.546308352937 |
Divisors of 31242280
64 divisors
τ | Total Divisors | 64 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -31242279 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.015625 | 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 | 64 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 31242280 can be divided by 64 positive divisors. The sum of these divisors (counting 31242280) is 1, the average is 0.015625.
Base conversion 31242280
Base | System | Value |
---|---|---|
2 | Binary | 1110111001011100000101000 |
3 | Ternary | 2011210021100111 |
4 | Quaternary | 1313023200220 |
5 | Quinary | 30444223110 |
6 | Senary | 3033344104 |
8 | Octal | 167134050 |
10 | Decimal | 31242280 |
12 | Duodecimal | a568034 |
16 | Hexadecimal | 1dcb828 |
20 | Vigesimal | 9f55e0 |
36 | Base36 | ilmp4 |
Cryptographic Hash Functions
md5 | 5dcb5010cdbf83f2f21a142e218434b4 |
---|---|
sha1 | e34ce83f90f05c7bf3950534f543233cd28d9875 |
sha256 | 30d81e281552af919229274e38c803d90571696b3eb5421c3937663d123f6270 |
sha512 | c3374da314fda047a151c0a43b33616bdddf295af4ca0cfd9eec54738583c92621a93149a2fd965e10a77abd652730ed39c34d483f13be416170e9311c1c8294 |
ripemd-160 | 72afbfdf43502c857a3b902ebe239b5251ea805a |
31242280 as geometric shapes
Circle
Radius = nDiameter | 62484560 |
---|---|
Circumference | 196301034.65879 |
Area | 3.0664459445498E+15 |
Sphere
Radius = nVolume | 1.2773701707265E+23 |
---|---|
Surface area | 1.2265783778199E+16 |
Circumference | 196301034.65879 |
Square
Length = nPerimeter | 124969120 |
---|---|
Area | 976080059598400 |
Diagonal | 44183256.095458 |
Cube
Length = nSurface area | 5856480357590400 |
---|---|
Volume | 3.049496652439E+22 |
Space diagonal | 54113216.304293 |
Equilateral Triangle
Length = nPerimeter | 93726840 |
---|---|
Area | 4.2265506386982E+14 |
Altitude | 27056608.152146 |
Triangular Pyramid
Length = nSurface area | 4.2265506386982E+14 |
---|---|
Volume | 3.5938662702421E+21 |
Height | 14727752.031819 |