31493909 (number)

31493909 is an odd 8-digits prime number following 31493908 and preceding 31493910. In scientific notation, it is written as 3.1493909 × 10^7. The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors. There are 31493908 positive integers (up to 31493909) that are relatively prime to 31493909.

Interesting facts

Basic properties

Name

Name thirty-one million four hundred ninety-three thousand nine hundred nine

Notation

Scientific notation 3.1493909 × 10^7
Engineering notation 3.1493909 × 10^6

Prime Factorization of 31493909

Prime Factorization 31493909

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 31493909
Product of the distinct prime numbers

The prime factorization of 31493909 is 31493909. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31493909)

Multiplication

n×y
n×2 62987818
n×3 94481727
n×4 125975636
n×5 157469545

Division

n÷y
n÷2 15746954.5
n÷3 10497969.666667
n÷3 7873477.25
n÷5 6298781.8

Exponentiation

ny
n2 991866304100281
n3 3.1237747121501E+22
n4 9.8379876520955E+29
n5 3.0983668785822E+37

Nth Root

y√n
2√n 5611.9434245188
3√n 315.79762251438
4√n 74.912905593888
5√n 31.59696096593

Divisors of 31493909

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 31493910
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 15746955
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5611.9435136145
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999364957
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31493909 can be divided by 2 positive divisors. The sum of these divisors (counting 31493909) is 31493910, the average is 15746955.

Base conversion 31493909

Base System Value
2 Binary 1111000001000111100010101
3 Ternary 2012021001112002
4 Quaternary 1320020330111
5 Quinary 31030301114
6 Senary 3043005045
8 Octal 170107425
10 Decimal 31493909
12 Duodecimal a669785
16 Hexadecimal 1e08f15
20 Vigesimal 9ggef9
36 Base36 ir0ut

Cryptographic Hash Functions

md5 74379935f82c597e7b8fb8407589de4a
sha1 f235303d423968ed2d2e67b0193360921b0fb318
sha256 ad4d8f9bdb75041aa4095a65f10849d30b0ef0c782849fbfa245aa61c823dc68
sha512 2d8be160e4e3dc740278e32aff1f8099a52b2cf7e1a0711be7f8b5a1982ea4858c88f23117dce0a6775a427ac70e89f4c258c2f7cb3af3f6d37254bea36979b4
ripemd-160 cd06eb1195aeb8e37470166d5f3e31a368392307

31493909 as geometric shapes

Circle

Radius = n
Diameter 62987818
Circumference 197882066.29445
Area 3.1160398943047E+15

Sphere

Radius = n
Volume 1.3084836916214E+23
Surface area 1.2464159577219E+16
Circumference 197882066.29445

Square

Length = n
Perimeter 125975636
Area 991866304100281
Diagonal 44539113.239944

Cube

Length = n
Surface area 5951197824601686
Volume 3.1237747121501E+22
Space diagonal 54549050.516951

Equilateral Triangle

Length = n
Perimeter 94481727
Area 4.2949070825431E+14
Altitude 27274525.258475

Triangular Pyramid

Length = n
Surface area 4.2949070825431E+14
Volume 3.6814038031006E+21
Height 14846371.079981