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.
31982 has 4 divisors, whose sum is 47976
The reverse of 31982 is 28913
Previous prime number is 2
Is Prime? no
Number parity even
Number length 5
Sum of Digits 23
Digital Root 5
Name
thirty-one thousand nine hundred eighty-two
Scientific notation
3.1982 × 10^4
Engineering notation
3.1982 × 10^3
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.
3 , 4 , 76 , 76 , 251 , 887 , 1268 , 3130 , 46375 , 58395 , 474073 , 987295 , 4290683 , 7780685 , 50409602 , 90812278 , 716511147 , 690437177 , 2305892791 , 867261894
n×2
63964
n×3
95946
n×4
127928
n×5
159910
n÷2
15991
n÷3
10660.666666667
n÷3
7995.5
n÷5
6396.4
n2
1022848324
n3
32712735098168
n4
1046218693909608976
n5
3.3460166268617E+22
2 √n
178.83511959344
3 √n
31.742067168929
4 √n
13.372924870552
5 √n
7.9612474683264
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
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
md5
706cc8c89430090439d0e3ea6118a8ed
sha1
0d4f10f1510c2a2f8a33c3fb3f7d7532339f0c33
sha256
d5a2abe20d3221c6ee3cf51a4b20a638aee7906262e7c403f45fd62d20db373b
sha512
a55209c0a21a96ca2d3c8cc71b0b9bad11ea4e2563439078a6578bbc561f7da24e759885b7d44af20ef61a967a745760874b916230318c7633cecda9aa237fb1
ripemd-160
54c797eeff4eb70aa74be8b4359b7972764583e9
Diameter
63964
Circumference
200948.83249422
Area
3213372780.415
Volume
1.3702678435098E+14
Surface area
12853491121.66
Circumference
200948.83249422
Perimeter
127928
Area
1022848324
Diagonal
45229.378151816
Surface area
6137089944
Volume
32712735098168
Space diagonal
55394.448927668
Perimeter
95946
Area
442906316.40117
Altitude
27697.224463834
Surface area
442906316.40117
Volume
3855232803179
Height
15076.459383939