31386979 (number)

31386979 is an odd 8-digits composite number following 31386978 and preceding 31386980. In scientific notation, it is written as 3.1386979 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 28932960 positive integers (up to 31386979) that are relatively prime to 31386979.

Interesting facts

Basic properties

Name

Name thirty-one million three hundred eighty-six thousand nine hundred seventy-nine

Notation

Scientific notation 3.1386979 × 10^7
Engineering notation 3.1386979 × 10^6

Prime Factorization of 31386979

Prime Factorization 13 × 1091 × 2213

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31386979
Product of the distinct prime numbers

The prime factorization of 31386979 is 13 × 1091 × 2213. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31386979)

Multiplication

n×y
n×2 62773958
n×3 94160937
n×4 125547916
n×5 156934895

Division

n÷y
n÷2 15693489.5
n÷3 10462326.333333
n÷3 7846744.75
n÷5 6277395.8

Exponentiation

ny
n2 985142450746441
n3 3.0920645413587E+22
n4 9.705056482627E+29
n5 3.0461240401403E+37

Nth Root

y√n
2√n 5602.4083214275
3√n 315.43981227514
4√n 74.849237280199
5√n 31.575475789343

Divisors of 31386979

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31386978
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31386979 can be divided by 8 positive divisors. The sum of these divisors (counting 31386979) is 1, the average is 0.125.

Base conversion 31386979

Base System Value
2 Binary 1110111101110110101100011
3 Ternary 2012001121211201
4 Quaternary 1313232311203
5 Quinary 31013340404
6 Senary 3040422031
8 Octal 167566543
10 Decimal 31386979
12 Duodecimal a617917
16 Hexadecimal 1deed63
20 Vigesimal 9g378j
36 Base36 ioqcj

Cryptographic Hash Functions

md5 c3d468489f10015dc413d3f1f37d75ae
sha1 04fb1c7e9dad87762fae1e5d18e7b58fa279dfeb
sha256 b865f211432e0344c6093c157db91b2ce2bcf97afd01617d86e7b9c8a40f08a5
sha512 70cd8675e9d14d08b5430b19755c3379069bb697e04881a22ca82ead168038cc6b82634b4fd2b1ed2108fb6adbecc59cc1a7b3e5b3a107ceab1849774f8ae0a1
ripemd-160 94063f2405f701d55140333cceb6da61e89e6fbc

31386979 as geometric shapes

Circle

Radius = n
Diameter 62773958
Circumference 197210205.28955
Area 3.0949162860045E+15

Sphere

Radius = n
Volume 1.2952009663411E+23
Surface area 1.2379665144018E+16
Circumference 197210205.28955

Square

Length = n
Perimeter 125547916
Area 985142450746441
Diagonal 44387891.38372

Cube

Length = n
Surface area 5910854704478646
Volume 3.0920645413587E+22
Space diagonal 54363842.324097

Equilateral Triangle

Length = n
Perimeter 94160937
Area 4.2657919434644E+14
Altitude 27181921.162049

Triangular Pyramid

Length = n
Surface area 4.2657919434644E+14
Volume 3.6440330084354E+21
Height 14795963.794573