31479940 (number)

31479940 is an even 8-digits composite number following 31479939 and preceding 31479941. In scientific notation, it is written as 3.1479940 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 12591968 positive integers (up to 31479940) that are relatively prime to 31479940.

Interesting facts

Basic properties

Name

Name thirty-one million four hundred seventy-nine thousand nine hundred forty

Notation

Scientific notation 3.1479940 × 10^7
Engineering notation 3.1479940 × 10^6

Prime Factorization of 31479940

Prime Factorization 2 × 2 × 5 × 1573997

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 15739970
Product of the distinct prime numbers

The prime factorization of 31479940 is 2 × 2 × 5 × 1573997. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 24, 64, 896, 492, 703, 4656, 54237, 24599, 482291, 99534, 6026471, 1010287, 84129452, 37350515, 346880663, 52193016, 2840449339, 3619695123

Basic calculations (n = 31479940)

Multiplication

n×y
n×2 62959880
n×3 94439820
n×4 125919760
n×5 157399700

Division

n÷y
n÷2 15739970
n÷3 10493313.333333
n÷3 7869985
n÷5 6295988

Exponentiation

ny
n2 990986622403600
n3 3.1196199414068E+22
n4 9.820544857829E+29
n5 3.0915016289176E+37

Nth Root

y√n
2√n 5610.6987087171
3√n 315.75092534334
4√n 74.904597380382
5√n 31.594157526845

Divisors of 31479940

1, 2, 4, 5, 10, 20, 1573997, 3147994, 6295988, 7869985, 15739970, 31479940

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 -31479939
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 31479940 can be divided by 12 positive divisors. The sum of these divisors (counting 31479940) is 1, the average is 0.083333333333333.

Base conversion 31479940

Base System Value
2 Binary 1111000000101100010000100
3 Ternary 2012020100100201
4 Quaternary 1320011202010
5 Quinary 31024324230
6 Senary 3042420244
8 Octal 170054204
10 Decimal 31479940
12 Duodecimal a661684
16 Hexadecimal 1e05884
20 Vigesimal 9gejh0
36 Base36 iqq2s

Cryptographic Hash Functions

md5 a49f67908779f6fa6abc145e340b6d87
sha1 94c84d8e75b00745c7321cc1c1629fe8c1533e98
sha256 1773568f5390b121c3032f74dac5192634b6bbb0f3bc7de5be99e5b5de42f7ab
sha512 c74bfdbc620ebad855551f1d46a895a423800c05cd99ab4c76157f82ca83c373ca0a8927a65d0f534c3c718dd6db8723696dce2f958231c451d682cee2ac204c
ripemd-160 84b785ea0fd9bb51d037a0ca6eede53f9f278ccc

31479940 as geometric shapes

Circle

Radius = n
Diameter 62959880
Circumference 197794296.47889
Area 3.1132762927489E+15

Sphere

Radius = n
Volume 1.3067433453221E+23
Surface area 1.2453105170996E+16
Circumference 197794296.47889

Square

Length = n
Perimeter 125919760
Area 990986622403600
Diagonal 44519358.090691

Cube

Length = n
Surface area 5945919734421600
Volume 3.1196199414068E+22
Space diagonal 54524855.49922

Equilateral Triangle

Length = n
Perimeter 94439820
Area 4.2910979490603E+14
Altitude 27262427.74961

Triangular Pyramid

Length = n
Surface area 4.2910979490603E+14
Volume 3.6765073588225E+21
Height 14839786.03023