31212900 (number)
31212900 is an even 8-digits composite number following 31212899 and preceding 31212901. In scientific notation, it is written as 3.1212900 × 10^7. The sum of its digits is 18. It has a total of 7 prime factors and 84 positive divisors. There are 8199360 positive integers (up to 31212900) that are relatively prime to 31212900.
Interesting facts
- 31212900 has 84 divisors, whose sum is 90921600
- The reverse of 31212900 is 00921213
- Previous prime number is 79
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 18
- Digital Root 9
Name
Name | thirty-one million two hundred twelve thousand nine hundred |
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Notation
Scientific notation | 3.1212900 × 10^7 |
---|---|
Engineering notation | 3.1212900 × 10^6 |
Prime Factorization of 31212900
Prime Factorization 2 × 2 × 5 × 3 × 15 × 79 × 439
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 15606450 | Product of the distinct prime numbers |
The prime factorization of 31212900 is 2 × 2 × 5 × 3 × 15 × 79 × 439. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 31212900)
Multiplication
n×yn×2 | 62425800 |
---|---|
n×3 | 93638700 |
n×4 | 124851600 |
n×5 | 156064500 |
Division
n÷yn÷2 | 15606450 |
---|---|
n÷3 | 10404300 |
n÷3 | 7803225 |
n÷5 | 6242580 |
Exponentiation
nyn2 | 974245126410000 |
---|---|
n3 | 3.0409015706123E+22 |
n4 | 9.4915356633364E+29 |
n5 | 2.9625835350615E+37 |
Nth Root
y√n2√n | 5586.850633407 |
---|---|
3√n | 314.85556492451 |
4√n | 74.745238198878 |
5√n | 31.540372938684 |
Divisors of 31212900
84 divisors
τ | Total Divisors | 84 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -31212899 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.011904761904762 | 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 | 84 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 31212900 can be divided by 84 positive divisors. The sum of these divisors (counting 31212900) is 1, the average is 0.011904761904762.
Base conversion 31212900
Base | System | Value |
---|---|---|
2 | Binary | 1110111000100010101100100 |
3 | Ternary | 2011201210001100 |
4 | Quaternary | 1313010111210 |
5 | Quinary | 30442303100 |
6 | Senary | 3033000100 |
8 | Octal | 167042544 |
10 | Decimal | 31212900 |
12 | Duodecimal | a553030 |
16 | Hexadecimal | 1dc4564 |
20 | Vigesimal | 9f1c50 |
36 | Base36 | il010 |
Cryptographic Hash Functions
md5 | f0ffc058f2d1a2c2e30e36201f272dad |
---|---|
sha1 | e5331d26644068ed3ffbd03b8817e43a9315ebc2 |
sha256 | b8d61582aa3cfbeaa4b0003713da5e8948097658d5082c42a353f63e5d7c513f |
sha512 | 5e78f33ca07a1281f43aafcd9dba2a07fb86b9b4f8c54ca024449224860cd09f0055bf03da4fdae5b4d54b2ecf90cf0180d3b60ecfeb46761234537222db65f5 |
ripemd-160 | 01d34d07f4218ab0b85cfeb7752117b6a7184000 |
31212900 as geometric shapes
Circle
Radius = nDiameter | 62425800 |
---|---|
Circumference | 196116434.67447 |
Area | 3.0606813319253E+15 |
Sphere
Radius = nVolume | 1.27376987127E+23 |
---|---|
Surface area | 1.2242725327701E+16 |
Circumference | 196116434.67447 |
Square
Length = nPerimeter | 124851600 |
---|---|
Area | 974245126410000 |
Diagonal | 44141706.500995 |
Cube
Length = nSurface area | 5845470758460000 |
---|---|
Volume | 3.0409015706123E+22 |
Space diagonal | 54062328.651567 |
Equilateral Triangle
Length = nPerimeter | 93638700 |
---|---|
Area | 4.2186051449212E+14 |
Altitude | 27031164.325783 |
Triangular Pyramid
Length = nSurface area | 4.2186051449212E+14 |
---|---|
Volume | 3.5837368691679E+21 |
Height | 14713902.166998 |