31982 (number)

31982 is an even 5-digits composite number following 31981 and preceding 31983. In scientific notation, it is written as 3.1982 × 10^4. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 15990 positive integers (up to 31982) that are relatively prime to 31982.

Interesting facts

Basic properties

Name

Name thirty-one thousand nine hundred eighty-two

Notation

Scientific notation 3.1982 × 10^4
Engineering notation 3.1982 × 10^3

Prime Factorization of 31982

Prime Factorization 2 × 15991

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31982
Product of the distinct prime numbers

The prime factorization of 31982 is 2 × 15991. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31982)

Multiplication

n×y
n×2 63964
n×3 95946
n×4 127928
n×5 159910

Division

n÷y
n÷2 15991
n÷3 10660.666666667
n÷3 7995.5
n÷5 6396.4

Exponentiation

ny
n2 1022848324
n3 32712735098168
n4 1046218693909608976
n5 3.3460166268617E+22

Nth Root

y√n
2√n 178.83511959344
3√n 31.742067168929
4√n 13.372924870552
5√n 7.9612474683264

Divisors of 31982

1, 2, 15991, 31982

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 -31981
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 31982 can be divided by 4 positive divisors. The sum of these divisors (counting 31982) is 1, the average is 0.25.

Base conversion 31982

Base System Value
2 Binary 111110011101110
3 Ternary 1121212112
4 Quaternary 13303232
5 Quinary 2010412
6 Senary 404022
8 Octal 76356
10 Decimal 31982
12 Duodecimal 16612
16 Hexadecimal 7cee
20 Vigesimal 3jj2
36 Base36 ooe

Cryptographic Hash Functions

md5 706cc8c89430090439d0e3ea6118a8ed
sha1 0d4f10f1510c2a2f8a33c3fb3f7d7532339f0c33
sha256 d5a2abe20d3221c6ee3cf51a4b20a638aee7906262e7c403f45fd62d20db373b
sha512 a55209c0a21a96ca2d3c8cc71b0b9bad11ea4e2563439078a6578bbc561f7da24e759885b7d44af20ef61a967a745760874b916230318c7633cecda9aa237fb1
ripemd-160 54c797eeff4eb70aa74be8b4359b7972764583e9

31982 as geometric shapes

Circle

Radius = n
Diameter 63964
Circumference 200948.83249422
Area 3213372780.415

Sphere

Radius = n
Volume 1.3702678435098E+14
Surface area 12853491121.66
Circumference 200948.83249422

Square

Length = n
Perimeter 127928
Area 1022848324
Diagonal 45229.378151816

Cube

Length = n
Surface area 6137089944
Volume 32712735098168
Space diagonal 55394.448927668

Equilateral Triangle

Length = n
Perimeter 95946
Area 442906316.40117
Altitude 27697.224463834

Triangular Pyramid

Length = n
Surface area 442906316.40117
Volume 3855232803179
Height 15076.459383939