31305989 (number)

31305989 is an odd 8-digits composite number following 31305988 and preceding 31305990. In scientific notation, it is written as 3.1305989 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 26270640 positive integers (up to 31305989) that are relatively prime to 31305989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1305989 × 10^7
Engineering notation 3.1305989 × 10^6

Prime Factorization of 31305989

Prime Factorization 13 × 11 × 218923

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31305989
Product of the distinct prime numbers

The prime factorization of 31305989 is 13 × 11 × 218923. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31305989)

Multiplication

n×y
n×2 62611978
n×3 93917967
n×4 125223956
n×5 156529945

Division

n÷y
n÷2 15652994.5
n÷3 10435329.666667
n÷3 7826497.25
n÷5 6261197.8

Exponentiation

ny
n2 980064947268121
n3 3.0681902458461E+22
n4 9.6052730086366E+29
n5 3.0070257115038E+37

Nth Root

y√n
2√n 5595.1755110988
3√n 315.16826149479
4√n 74.800905817368
5√n 31.559163665852

Divisors of 31305989

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 -31305988
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 31305989 can be divided by 8 positive divisors. The sum of these divisors (counting 31305989) is 1, the average is 0.125.

Base conversion 31305989

Base System Value
2 Binary 1110111011011000100000101
3 Ternary 2011220111202002
4 Quaternary 1313123010011
5 Quinary 31003242424
6 Senary 3034555045
8 Octal 167330405
10 Decimal 31305989
12 Duodecimal a598a85
16 Hexadecimal 1ddb105
20 Vigesimal 9fd4j9
36 Base36 imzut

Cryptographic Hash Functions

md5 3a69681e2ab858e1bd3aaf03ff83a979
sha1 89ed34ee18d493979bc563c6a6f7bf092044192b
sha256 77360bc47cf8ed5ed14d36e8fabc1492515b2349395c77b2739dc2e027837079
sha512 8d67f4d902a32df1abc3fb0115808d75de5f181f3dfbbc69b22093e348b2b693e4f067266a0439fc55e98b3d48d9d3fdff051020feda0e12dd8ba3b3019e8627
ripemd-160 b8047fcab37def5f9539e61bb25cb92dec711403

31305989 as geometric shapes

Circle

Radius = n
Diameter 62611978
Circumference 196701330.11153
Area 3.0789648383784E+15

Sphere

Radius = n
Volume 1.2852005248221E+23
Surface area 1.2315859353514E+16
Circumference 196701330.11153

Square

Length = n
Perimeter 125223956
Area 980064947268121
Diagonal 44273354.227303

Cube

Length = n
Surface area 5880389683608726
Volume 3.0681902458461E+22
Space diagonal 54223563.529192

Equilateral Triangle

Length = n
Perimeter 93917967
Area 4.2438057084642E+14
Altitude 27111781.764596

Triangular Pyramid

Length = n
Surface area 4.2438057084642E+14
Volume 3.615896881347E+21
Height 14757784.742434