31971372 is an even 8-digits composite number following 31971371
and preceding 31971373 . In scientific notation, it is written as 3.1971372 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors.
There are 10510848 positive integers (up to 31971372) that are relatively prime to 31971372.
31971372 has 24 divisors, whose sum is 75623856
The reverse of 31971372 is 27317913
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
thirty-one million nine hundred seventy-one thousand three hundred seventy-two
Scientific notation
3.1971372 × 10^7
Engineering notation
3.1971372 × 10^6
Prime Factorization
2 × 2 × 3 × 73 × 36497
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
15985686
Product of the distinct prime numbers
The prime factorization of 31971372 is 2 × 2 × 3 × 73 × 36497.
Since it has a total of 5 prime factors.
6 , 7 , 72 , 46 , 555 , 841 , 1941 , 416 , 30756 , 92163 , 997990 , 188146 , 5656305 , 918968 , 68625567 , 39462830 , 885294082 , 124703593 , 4857723754 , 7442020431
n×2
63942744
n×3
95914116
n×4
127885488
n×5
159856860
n÷2
15985686
n÷3
10657124
n÷3
7992843
n÷5
6394274.4
n2
1022168627562384
n3
3.2680133438526E+22
n4
1.0448287031728E+30
n5
3.3404607145414E+37
2 √n
5654.3233016869
3 √n
317.38550690224
4 √n
75.19523456767
5 √n
31.692190278282
1 , 2 , 3 , 4 , 6 , 12 , 73 , 146 , 219 , 292 , 438 , 876 , 36497 , 72994 , 109491 , 145988 , 218982 , 437964 , 2664281 , 5328562 , 7992843 , 10657124 , 15985686 , 31971372
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31971371
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31971372 can be divided by 24 positive divisors.
The sum of these divisors (counting 31971372) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1111001111101100000101100
3
Ternary
2020011022110220
4
Quaternary
1321331200230
5
Quinary
31141040442
6
Senary
3101131340
8
Octal
171754054
10
Decimal
31971372
12
Duodecimal
a859b50
16
Hexadecimal
1e7d82c
20
Vigesimal
9jg88c
36
Base36
j199o
md5
5e2725cd3429eb8b956ebc9b1b0b1e7a
sha1
9449789dd8418aa264ebf9ac51100c701e222cbf
sha256
a45c71ced26e6e5d4ad4a6708bcb81eb77d304d7b6145a777461a5b1eca8c64d
sha512
fab47d95e6d0a8ece0d389a11792a5bddb54ec2a917e785b0aeb5909f3a103092329b40fd812ddbdc8b4ac8aeaf0532694a507d8dee8cce97ccc6f86c38faf0a
ripemd-160
627458c9bcc8c2e42d0e97f3b7427489edb67577
Diameter
63942744
Circumference
200882054.80077
Area
3.2112374510799E+15
Volume
1.3689022283841E+23
Surface area
1.284494980432E+16
Circumference
200882054.80077
Perimeter
127885488
Area
1022168627562384
Diagonal
45214347.890075
Surface area
6133011765374304
Volume
3.2680133438526E+22
Space diagonal
55376040.691685
Perimeter
95914116
Area
4.4261199921025E+14
Altitude
27688020.345842
Surface area
4.4261199921025E+14
Volume
3.8513906607439E+21
Height
15071449.296692