31191912 (number)

31191912 is an even 8-digits composite number following 31191911 and preceding 31191913. In scientific notation, it is written as 3.1191912 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 32 positive divisors. There are 10397232 positive integers (up to 31191912) that are relatively prime to 31191912.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1191912 × 10^7
Engineering notation 3.1191912 × 10^6

Prime Factorization of 31191912

Prime Factorization 2 × 2 × 2 × 9 × 3 × 144407

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7797978
Product of the distinct prime numbers

The prime factorization of 31191912 is 2 × 2 × 2 × 9 × 3 × 144407. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31191912)

Multiplication

n×y
n×2 62383824
n×3 93575736
n×4 124767648
n×5 155959560

Division

n÷y
n÷2 15595956
n÷3 10397304
n÷3 7797978
n÷5 6238382.4

Exponentiation

ny
n2 972935374215744
n3 3.0347714574225E+22
n4 9.4660324240033E+29
n5 2.9526365035866E+37

Nth Root

y√n
2√n 5584.9719784436
3√n 314.78497797385
4√n 74.732670087744
5√n 31.536130157871

Divisors of 31191912

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31191911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31191912 can be divided by 32 positive divisors. The sum of these divisors (counting 31191912) is 1, the average is 0.03125.

Base conversion 31191912

Base System Value
2 Binary 1110110111111001101101000
3 Ternary 2011200201021000
4 Quaternary 1312333031220
5 Quinary 30441120122
6 Senary 3032315000
8 Octal 166771550
10 Decimal 31191912
12 Duodecimal a542a60
16 Hexadecimal 1dbf368
20 Vigesimal 9eijfc
36 Base36 ikju0

Cryptographic Hash Functions

md5 bf50e020d1ece1953ece720bb60bc24f
sha1 40306e1e8bd3b862b8dbdab36654cde9fde129ee
sha256 beee75a7a06572662ee7c4b6aa6c2d55db10cc5a2a9a6f9feb730f44e93e64e5
sha512 4146259a2e4a83f165d393a4b299d0f86f9713825641efed806ab405c1444ed298fd78694297a1994450fd561ccd04bbbabb4ce2e75c248f99423061101f4c26
ripemd-160 7f019938feec3007dac9af760ce189365fe27eb4

31191912 as geometric shapes

Circle

Radius = n
Diameter 62383824
Circumference 195984563.18124
Area 3.0565666240538E+15

Sphere

Radius = n
Volume 1.2712020954616E+23
Surface area 1.2226266496215E+16
Circumference 195984563.18124

Square

Length = n
Perimeter 124767648
Area 972935374215744
Diagonal 44112024.986748

Cube

Length = n
Surface area 5837612245294464
Volume 3.0347714574225E+22
Space diagonal 54025976.369217

Equilateral Triangle

Length = n
Perimeter 93575736
Area 4.2129337515568E+14
Altitude 27012988.184609

Triangular Pyramid

Length = n
Surface area 4.2129337515568E+14
Volume 3.5765124614913E+21
Height 14704008.328916