31191212 (number)

31191212 is an even 8-digits composite number following 31191211 and preceding 31191213. In scientific notation, it is written as 3.1191212 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors. There are 14395920 positive integers (up to 31191212) that are relatively prime to 31191212.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred ninety-one thousand two hundred twelve

Notation

Scientific notation 3.1191212 × 10^7
Engineering notation 3.1191212 × 10^6

Prime Factorization of 31191212

Prime Factorization 2 × 2 × 13 × 599831

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 15595606
Product of the distinct prime numbers

The prime factorization of 31191212 is 2 × 2 × 13 × 599831. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31191212)

Multiplication

n×y
n×2 62382424
n×3 93573636
n×4 124764848
n×5 155956060

Division

n÷y
n÷2 15595606
n÷3 10397070.666667
n÷3 7797803
n÷5 6238242.4

Exponentiation

ny
n2 972891706028944
n3 3.034567145579E+22
n4 9.4651827165991E+29
n5 2.9523052073218E+37

Nth Root

y√n
2√n 5584.9093099172
3√n 314.78262318464
4√n 74.732250801894
5√n 31.535988611632

Divisors of 31191212

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31191211
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31191212 can be divided by 12 positive divisors. The sum of these divisors (counting 31191212) is 1, the average is 0.083333333333333.

Base conversion 31191212

Base System Value
2 Binary 1110110111111000010101100
3 Ternary 2011200200022002
4 Quaternary 1312333002230
5 Quinary 30441104322
6 Senary 3032311432
8 Octal 166770254
10 Decimal 31191212
12 Duodecimal a542578
16 Hexadecimal 1dbf0ac
20 Vigesimal 9eii0c
36 Base36 ikjak

Cryptographic Hash Functions

md5 bbbdcb2b8076244045eb43916e55c7d6
sha1 653757b509bfe7b61e8f99eb5ee96e8113b648d0
sha256 925f7bf1c7c03722c7013e903a9c20de1d9ed6f77aee2c26e630ce613597a9bb
sha512 c3589473005fe746a1047e773cc0abcf45c3774053ad2339acbe8bf9090a1afcd4dd6814dc6c2214fb201fe813e2f6081ad170eb6191eb33a211fbfcbd77ab72
ripemd-160 e2964bbc47ce00b6f4bd416ed40612014e9a3ce9

31191212 as geometric shapes

Circle

Radius = n
Diameter 62382424
Circumference 195980164.95152
Area 3.056429436399E+15

Sphere

Radius = n
Volume 1.2711165135168E+23
Surface area 1.2225717745596E+16
Circumference 195980164.95152

Square

Length = n
Perimeter 124764848
Area 972891706028944
Diagonal 44111035.037254

Cube

Length = n
Surface area 5837350236173664
Volume 3.034567145579E+22
Space diagonal 54024763.933652

Equilateral Triangle

Length = n
Perimeter 93573636
Area 4.2127446627612E+14
Altitude 27012381.966826

Triangular Pyramid

Length = n
Surface area 4.2127446627612E+14
Volume 3.5762716776747E+21
Height 14703678.345751