31908 (number)

31908 is an even 5-digits composite number following 31907 and preceding 31909. In scientific notation, it is written as 3.1908 × 10^4. The sum of its digits is 21. It has a total of 4 prime factors and 12 positive divisors. There are 10632 positive integers (up to 31908) that are relatively prime to 31908.

Interesting facts

Basic properties

Name

Name thirty-one thousand nine hundred eight

Notation

Scientific notation 3.1908 × 10^4
Engineering notation 3.1908 × 10^3

Prime Factorization of 31908

Prime Factorization 2 × 2 × 3 × 2659

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 15954
Product of the distinct prime numbers

The prime factorization of 31908 is 2 × 2 × 3 × 2659. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31908)

Multiplication

n×y
n×2 63816
n×3 95724
n×4 127632
n×5 159540

Division

n÷y
n÷2 15954
n÷3 10636
n÷3 7977
n÷5 6381.6

Exponentiation

ny
n2 1018120464
n3 32486187765312
n4 1036569279215575296
n5 3.3074852561211E+22

Nth Root

y√n
2√n 178.62810529141
3√n 31.717566648403
4√n 13.36518257606
5√n 7.9575599045409

Divisors of 31908

1, 2, 3, 4, 6, 12, 2659, 5318, 7977, 10636, 15954, 31908

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31908 can be divided by 12 positive divisors. The sum of these divisors (counting 31908) is 1, the average is 0.083333333333333.

Base conversion 31908

Base System Value
2 Binary 111110010100100
3 Ternary 1121202210
4 Quaternary 13302210
5 Quinary 2010113
6 Senary 403420
8 Octal 76244
10 Decimal 31908
12 Duodecimal 16570
16 Hexadecimal 7ca4
20 Vigesimal 3jf8
36 Base36 omc

Cryptographic Hash Functions

md5 28ca2a3ef786a75109a9e2af23c1a4f7
sha1 005429b368aa55de10e51c6ede6e332fe08914ff
sha256 0ed7586f93fddd53680a45c61cf5880eefe4f0d39031c2c05c2a15accb531472
sha512 157b2e4844042c701773fe9511ef4a3961ff335def008fa9186fe5c63873467ddd6d9e76f6162e0df836379c77f3557a190513c3648a8df21ac7ac92066271aa
ripemd-160 b48792a8231b266c623e2da2e933359cd056e8f6

31908 as geometric shapes

Circle

Radius = n
Diameter 63816
Circumference 200483.87678149
Area 3198519770.1718

Sphere

Radius = n
Volume 1.3607782510219E+14
Surface area 12794079080.687
Circumference 200483.87678149

Square

Length = n
Perimeter 127632
Area 1018120464
Diagonal 45124.726348201

Cube

Length = n
Surface area 6108722784
Volume 32486187765312
Space diagonal 55266.277167908

Equilateral Triangle

Length = n
Perimeter 95724
Area 440859092.9684
Altitude 27633.138583954

Triangular Pyramid

Length = n
Surface area 440859092.9684
Volume 3828533943958.6
Height 15041.5754494