31386913 (number)

31386913 is an odd 8-digits composite number following 31386912 and preceding 31386914. In scientific notation, it is written as 3.1386913 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 29540608 positive integers (up to 31386913) that are relatively prime to 31386913.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1386913 × 10^7
Engineering notation 3.1386913 × 10^6

Prime Factorization of 31386913

Prime Factorization 17 × 1846289

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31386913
Product of the distinct prime numbers

The prime factorization of 31386913 is 17 × 1846289. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31386913)

Multiplication

n×y
n×2 62773826
n×3 94160739
n×4 125547652
n×5 156934565

Division

n÷y
n÷2 15693456.5
n÷3 10462304.333333
n÷3 7846728.25
n÷5 6277382.6

Exponentiation

ny
n2 985138307669569
n3 3.0920450355792E+22
n4 9.7049748523806E+29
n5 3.0460920135886E+37

Nth Root

y√n
2√n 5602.4024311004
3√n 315.43959117452
4√n 74.849197932245
5√n 31.575462510059

Divisors of 31386913

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31386912
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31386913 can be divided by 4 positive divisors. The sum of these divisors (counting 31386913) is 1, the average is 0.25.

Base conversion 31386913

Base System Value
2 Binary 1110111101110110100100001
3 Ternary 2012001121202021
4 Quaternary 1313232310201
5 Quinary 31013340123
6 Senary 3040421441
8 Octal 167566441
10 Decimal 31386913
12 Duodecimal a617881
16 Hexadecimal 1deed21
20 Vigesimal 9g375d
36 Base36 ioqap

Cryptographic Hash Functions

md5 b22e655b49fdb4eeeed8578a64e68fe7
sha1 945d212a830b9e0ac69b9b2ffcf76c837d83983b
sha256 d2329dd48dcea38de98a432bfe0833806bca115031d78a9620bc2fadb7a59a05
sha512 b24f994aede9167ac32f66552d85d60bad458cac03cfd810297ac5fe6181d69a38257e2bc81bb36e083b0ca12602ea4cf5782e566d9e7f090e71ffb24862af1a
ripemd-160 4b56bdd83f083d5b8ec1655c53dd6c24a46deb7e

31386913 as geometric shapes

Circle

Radius = n
Diameter 62773826
Circumference 197209790.59932
Area 3.0949032701446E+15

Sphere

Radius = n
Volume 1.2951927957793E+23
Surface area 1.2379613080578E+16
Circumference 197209790.59932

Square

Length = n
Perimeter 125547652
Area 985138307669569
Diagonal 44387798.045624

Cube

Length = n
Surface area 5910829846017414
Volume 3.0920450355792E+22
Space diagonal 54363728.008744

Equilateral Triangle

Length = n
Perimeter 94160739
Area 4.2657740034153E+14
Altitude 27181864.004372

Triangular Pyramid

Length = n
Surface area 4.2657740034153E+14
Volume 3.6440100206538E+21
Height 14795932.681875