31191872 (number)

31191872 is an even 8-digits composite number following 31191871 and preceding 31191873. In scientific notation, it is written as 3.1191872 × 10^7. The sum of its digits is 32. It has a total of 8 prime factors and 28 positive divisors. There are 14678016 positive integers (up to 31191872) that are relatively prime to 31191872.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred ninety-one thousand eight hundred seventy-two

Notation

Scientific notation 3.1191872 × 10^7
Engineering notation 3.1191872 × 10^6

Prime Factorization of 31191872

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 17 × 28669

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 974746
Product of the distinct prime numbers

The prime factorization of 31191872 is 2 × 2 × 2 × 2 × 2 × 2 × 17 × 28669. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31191872)

Multiplication

n×y
n×2 62383744
n×3 93575616
n×4 124767488
n×5 155959360

Division

n÷y
n÷2 15595936
n÷3 10397290.666667
n÷3 7797968
n÷5 6238374.4

Exponentiation

ny
n2 972932878864384
n3 3.0347597822129E+22
n4 9.4659838677534E+29
n5 2.9526175715703E+37

Nth Root

y√n
2√n 5584.9683974039
3√n 314.78484341542
4√n 74.732646128743
5√n 31.536122069583

Divisors of 31191872

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31191871
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31191872 can be divided by 28 positive divisors. The sum of these divisors (counting 31191872) is 1, the average is 0.035714285714286.

Base conversion 31191872

Base System Value
2 Binary 1110110111111001101000000
3 Ternary 2011200201012112
4 Quaternary 1312333031000
5 Quinary 30441114442
6 Senary 3032314452
8 Octal 166771500
10 Decimal 31191872
12 Duodecimal a542a28
16 Hexadecimal 1dbf340
20 Vigesimal 9eijdc
36 Base36 ikjsw

Cryptographic Hash Functions

md5 7bb134d409295848cdf6a9e4f499163f
sha1 b1b8640d10af13ff87aa5f05dfed02a4ec8bdff4
sha256 5ea236270c9c49014335adfb92aafa3a8d3ad09e92240ed4e77a584f93de62cb
sha512 f262f532f04d6575745a4f81a98d24a62d495d479fc0fef98855cce1a0e1ae2e7572b16b4f53da9f8b88915591e02003f73c850bcb5158d6a19b7a5a82519cfc
ripemd-160 6f4d016f626d1863d668109bf4bb9caaf7baaa41

31191872 as geometric shapes

Circle

Radius = n
Diameter 62383744
Circumference 195984311.85383
Area 3.0565587846763E+15

Sphere

Radius = n
Volume 1.2711972049613E+23
Surface area 1.2226235138705E+16
Circumference 195984311.85383

Square

Length = n
Perimeter 124767488
Area 972932878864384
Diagonal 44111968.418206

Cube

Length = n
Surface area 5837597273186304
Volume 3.0347597822129E+22
Space diagonal 54025907.087185

Equilateral Triangle

Length = n
Perimeter 93575616
Area 4.2129229463684E+14
Altitude 27012953.543593

Triangular Pyramid

Length = n
Surface area 4.2129229463684E+14
Volume 3.576498702125E+21
Height 14703989.472735