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

Basic properties

Name

Name thirty-one million two hundred twelve thousand nine hundred

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 number
ω 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×y
n×2 62425800
n×3 93638700
n×4 124851600
n×5 156064500

Division

n÷y
n÷2 15606450
n÷3 10404300
n÷3 7803225
n÷5 6242580

Exponentiation

ny
n2 974245126410000
n3 3.0409015706123E+22
n4 9.4915356633364E+29
n5 2.9625835350615E+37

Nth Root

y√n
2√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 = n
Diameter 62425800
Circumference 196116434.67447
Area 3.0606813319253E+15

Sphere

Radius = n
Volume 1.27376987127E+23
Surface area 1.2242725327701E+16
Circumference 196116434.67447

Square

Length = n
Perimeter 124851600
Area 974245126410000
Diagonal 44141706.500995

Cube

Length = n
Surface area 5845470758460000
Volume 3.0409015706123E+22
Space diagonal 54062328.651567

Equilateral Triangle

Length = n
Perimeter 93638700
Area 4.2186051449212E+14
Altitude 27031164.325783

Triangular Pyramid

Length = n
Surface area 4.2186051449212E+14
Volume 3.5837368691679E+21
Height 14713902.166998