31479905 (number)

31479905 is an odd 8-digits composite number following 31479904 and preceding 31479906. In scientific notation, it is written as 3.1479905 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 25161088 positive integers (up to 31479905) that are relatively prime to 31479905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1479905 × 10^7
Engineering notation 3.1479905 × 10^6

Prime Factorization of 31479905

Prime Factorization 5 × 1493 × 4217

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31479905
Product of the distinct prime numbers

The prime factorization of 31479905 is 5 × 1493 × 4217. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31479905)

Multiplication

n×y
n×2 62959810
n×3 94439715
n×4 125919620
n×5 157399525

Division

n÷y
n÷2 15739952.5
n÷3 10493301.666667
n÷3 7869976.25
n÷5 6295981

Exponentiation

ny
n2 990984418809025
n3 3.1196095360588E+22
n4 9.8205011832226E+29
n5 3.0914844430024E+37

Nth Root

y√n
2√n 5610.6955896751
3√n 315.75080832399
4√n 74.904576560282
5√n 31.594150501444

Divisors of 31479905

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 -31479904
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 31479905 can be divided by 8 positive divisors. The sum of these divisors (counting 31479905) is 1, the average is 0.125.

Base conversion 31479905

Base System Value
2 Binary 1111000000101100001100001
3 Ternary 2012020100022102
4 Quaternary 1320011201201
5 Quinary 31024324110
6 Senary 3042420145
8 Octal 170054141
10 Decimal 31479905
12 Duodecimal a661655
16 Hexadecimal 1e05861
20 Vigesimal 9gejf5
36 Base36 iqq1t

Cryptographic Hash Functions

md5 bd8518c7aa7d18030f408e99034a1f98
sha1 73663ec47abd1669faffbd64ca9910a58e03fe0e
sha256 e83d7f0870716fd7781ba3ff4ee1f827f12e119b4cbe50e05be7dc960116e7ec
sha512 da14a44c749e72c321d8c1fafba5d7fe3fcbecc1f7e8351afc680580c82df7787333352c22e382988a31b58d8ca98ab65359da28b4cdaafcefcda403ee48733c
ripemd-160 9e5275ca784d2c52088fd561726135f01ecf71fc

31479905 as geometric shapes

Circle

Radius = n
Diameter 62959810
Circumference 197794076.56741
Area 3.1132693699524E+15

Sphere

Radius = n
Volume 1.3067389867401E+23
Surface area 1.245307747981E+16
Circumference 197794076.56741

Square

Length = n
Perimeter 125919620
Area 990984418809025
Diagonal 44519308.593217

Cube

Length = n
Surface area 5945906512854150
Volume 3.1196095360588E+22
Space diagonal 54524794.877442

Equilateral Triangle

Length = n
Perimeter 94439715
Area 4.2910884072159E+14
Altitude 27262397.438721

Triangular Pyramid

Length = n
Surface area 4.2910884072159E+14
Volume 3.6764950960024E+21
Height 14839769.531072