31297712 is an even 8-digits composite number following 31297711
and preceding 31297713 . In scientific notation, it is written as 3.1297712 × 10^7.
The sum of its digits is 32. It has a total of 6 prime factors and 20 positive divisors.
There are 14825088 positive integers (up to 31297712) that are relatively prime to 31297712.
31297712 has 20 divisors, whose sum is 63831480
The reverse of 31297712 is 21779213
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
thirty-one million two hundred ninety-seven thousand seven hundred twelve
Scientific notation
3.1297712 × 10^7
Engineering notation
3.1297712 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 19 × 102953
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3912214
Product of the distinct prime numbers
The prime factorization of 31297712 is 2 × 2 × 2 × 2 × 19 × 102953.
Since it has a total of 6 prime factors.
2 , 10 , 63 , 15 , 241 , 31 , 9766 , 5780 , 31881 , 79169 , 660050 , 179879 , 2821387 , 1449502 , 68802219 , 13655088 , 949659308 , 350163839 , 5889055452 , 6873266857
n×2
62595424
n×3
93893136
n×4
125190848
n×5
156488560
n÷2
15648856
n÷3
10432570.666667
n÷3
7824428
n÷5
6259542.4
n2
979546776434944
n3
3.0657572899389E+22
n4
9.5951188722409E+29
n5
3.0030526706916E+37
2 √n
5594.4358071212
3 √n
315.14048323555
4 √n
74.79596116851
5 √n
31.557494701954
1 , 2 , 4 , 8 , 16 , 19 , 38 , 76 , 152 , 304 , 102953 , 205906 , 411812 , 823624 , 1647248 , 1956107 , 3912214 , 7824428 , 15648856 , 31297712
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31297711
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31297712 can be divided by 20 positive divisors.
The sum of these divisors (counting 31297712) is 1, the average is 0.05.
Base
System
Value
2
Binary
1110111011001000010110000
3
Ternary
2011220002101112
4
Quaternary
1313121002300
5
Quinary
31003011322
6
Senary
3034452452
8
Octal
167310260
10
Decimal
31297712
12
Duodecimal
a594128
16
Hexadecimal
1dd90b0
20
Vigesimal
9fc45c
36
Base36
imtgw
md5
cf5e8da8dbab05de5b3193f5e6b3a320
sha1
64472f90ea2f140a7356f2fcc5bf60092f320816
sha256
bc7d83f77de7536a3bdefa966a6b1dbec18a390ba44b0b1ad1dec098117c84a9
sha512
b85af6efe39cd0faaedbb9fb3c7273bed5d78e1ce1bae61e62a7ac880dc8a84dee634eb5b3414044932648a7ed4b265269813d934e758b321fd1399d9d166952
ripemd-160
9bf330c254f6c105d7b3c203d156564b49943de8
Diameter
62595424
Circumference
196649324.18674
Area
3.0773369566956E+15
Volume
1.2841814106349E+23
Surface area
1.2309347826782E+16
Circumference
196649324.18674
Perimeter
125190848
Area
979546776434944
Diagonal
44261648.781647
Surface area
5877280658609664
Volume
3.0657572899389E+22
Space diagonal
54209227.344658
Perimeter
93893136
Area
4.2415619629391E+14
Altitude
27104613.672329
Surface area
4.2415619629391E+14
Volume
3.6130296153132E+21
Height
14753882.927216