31297907 is an odd 8-digits composite number following 31297906
and preceding 31297908 . In scientific notation, it is written as 3.1297907 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 30668544 positive integers (up to 31297907) that are relatively prime to 31297907.
31297907 has 8 divisors, whose sum is 31930800
The reverse of 31297907 is 70979213
Previous prime number is 409
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
thirty-one million two hundred ninety-seven thousand nine hundred seven
Scientific notation
3.1297907 × 10^7
Engineering notation
3.1297907 × 10^6
Prime Factorization
59 × 409 × 1297
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
31297907
Product of the distinct prime numbers
The prime factorization of 31297907 is 59 × 409 × 1297.
Since it has a total of 3 prime factors.
1 , 9 , 44 , 29 , 379 , 649 , 8877 , 7158 , 55474 , 18708 , 266146 , 22481 , 5580943 , 7627452 , 73031256 , 9936638 , 653616226 , 721779343 , 2973997551 , 9720536055
n×2
62595814
n×3
93893721
n×4
125191628
n×5
156489535
n÷2
15648953.5
n÷3
10432635.666667
n÷3
7824476.75
n÷5
6259581.4
n2
979558982580649
n3
3.0658145937824E+22
n4
9.5953580035444E+29
n5
3.0031462242664E+37
2 √n
5594.4532351249
3 √n
315.14113772713
4 √n
74.796077672061
5 √n
31.557534025571
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31297906
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31297907 can be divided by 8 positive divisors.
The sum of these divisors (counting 31297907) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111011001000101110011
3
Ternary
2011220002122202
4
Quaternary
1313121011303
5
Quinary
31003013112
6
Senary
3034453415
8
Octal
167310563
10
Decimal
31297907
12
Duodecimal
a59426b
16
Hexadecimal
1dd9173
20
Vigesimal
9fc4f7
36
Base36
imtmb
md5
893fed207efaf7c6a4452356ef93970e
sha1
09a862ade2d9078bb933542b9eee6b63dc773baf
sha256
ad2aa4dd53e3718e37db060ae52ee78df1cf4a27703dd8b6e38f6b2cefaac6ee
sha512
8828df1be6c278663e77747620b006d251e3da9392e7628e0a30c2a4e4116c17ea2a56488b6d2238c0154b3a5a1fc7af552e21f336cd3219b14e16ddae6d1120
ripemd-160
86ded8b3b4eb7b133d6b8e5cadf85034f4c9c4a7
Diameter
62595814
Circumference
196650549.40787
Area
3.0773753034333E+15
Volume
1.2842054140127E+23
Surface area
1.2309501213733E+16
Circumference
196650549.40787
Perimeter
125191628
Area
979558982580649
Diagonal
44261924.553292
Surface area
5877353895483894
Volume
3.0658145937824E+22
Space diagonal
54209565.094566
Perimeter
93893721
Area
4.2416148171004E+14
Altitude
27104782.547283
Surface area
4.2416148171004E+14
Volume
3.6130971485403E+21
Height
14753974.851097