31185940 (number)

31185940 is an even 8-digits composite number following 31185939 and preceding 31185941. In scientific notation, it is written as 3.1185940 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 12474368 positive integers (up to 31185940) that are relatively prime to 31185940.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred eighty-five thousand nine hundred forty

Notation

Scientific notation 3.1185940 × 10^7
Engineering notation 3.1185940 × 10^6

Prime Factorization of 31185940

Prime Factorization 2 × 2 × 5 × 1559297

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 15592970
Product of the distinct prime numbers

The prime factorization of 31185940 is 2 × 2 × 5 × 1559297. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 9, 36, 47, 463, 413, 3255, 5136, 79751, 95481, 684451, 818090, 7270576, 1787017, 69789499, 83647593, 580376299, 112166964, 9710195646, 6348762358

Basic calculations (n = 31185940)

Multiplication

n×y
n×2 62371880
n×3 93557820
n×4 124743760
n×5 155929700

Division

n÷y
n÷2 15592970
n÷3 10395313.333333
n÷3 7796485
n÷5 6237188

Exponentiation

ny
n2 972562853683600
n3 3.0330286801206E+22
n4 9.4587850436519E+29
n5 2.9498110284422E+37

Nth Root

y√n
2√n 5584.4373037935
3√n 314.76488712598
4√n 74.729092753716
5√n 31.534922484585

Divisors of 31185940

1, 2, 4, 5, 10, 20, 1559297, 3118594, 6237188, 7796485, 15592970, 31185940

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 -31185939
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 31185940 can be divided by 12 positive divisors. The sum of these divisors (counting 31185940) is 1, the average is 0.083333333333333.

Base conversion 31185940

Base System Value
2 Binary 1110110111101110000010100
3 Ternary 2011200102001211
4 Quaternary 1312331300110
5 Quinary 30440422230
6 Senary 3032231204
8 Octal 166756024
10 Decimal 31185940
12 Duodecimal a53b504
16 Hexadecimal 1dbdc14
20 Vigesimal 9ei4h0
36 Base36 ikf84

Cryptographic Hash Functions

md5 d100a67726511782dd0e6d3d2d5f80f2
sha1 3281a84aeed2792bce6ad03007c6d1ca3481693a
sha256 8ae0745ea0467c1401bf86760e75ebbe2034cc7d6c6e90a47a7eaae560edaaa2
sha512 3e39ae1425515d8842e2c310aa6a3c8d972fa44a196ef3f4fe281d7f0a1e36dfe39578615b8d4c56e783cd515d927c2182cbbb1c7da6ff35f267cb79305c3822
ripemd-160 c9a4ec245b3d836a7e748375144be5255d6daffe

31185940 as geometric shapes

Circle

Radius = n
Diameter 62371880
Circumference 195947039.99858
Area 3.0553963162867E+15

Sphere

Radius = n
Volume 1.2704720826125E+23
Surface area 1.2221585265147E+16
Circumference 195947039.99858

Square

Length = n
Perimeter 124743760
Area 972562853683600
Diagonal 44103579.303354

Cube

Length = n
Surface area 5835377122101600
Volume 3.0330286801206E+22
Space diagonal 54015632.561795

Equilateral Triangle

Length = n
Perimeter 93557820
Area 4.2113206903354E+14
Altitude 27007816.280897

Triangular Pyramid

Length = n
Surface area 4.2113206903354E+14
Volume 3.5744585787442E+21
Height 14701193.101118