31492813 is an odd 8-digits composite number following 31492812
and preceding 31492814 . In scientific notation, it is written as 3.1492813 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 27704880 positive integers (up to 31492813) that are relatively prime to 31492813.
31492813 has 16 divisors, whose sum is 35481600
The reverse of 31492813 is 31829413
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
thirty-one million four hundred ninety-two thousand eight hundred thirteen
Scientific notation
3.1492813 × 10^7
Engineering notation
3.1492813 × 10^6
Prime Factorization
11 × 43 × 139 × 479
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31492813
Product of the distinct prime numbers
The prime factorization of 31492813 is 11 × 43 × 139 × 479.
Since it has a total of 4 prime factors.
5 , 1 , 67 , 24 , 750 , 625 , 5888 , 5061 , 50623 , 63019 , 944218 , 622696 , 2268190 , 8214820 , 37303835 , 33910346 , 174298774 , 720597432 , 6247352564 , 1409263151
n×2
62985626
n×3
94478439
n×4
125971252
n×5
157464065
n÷2
15746406.5
n÷3
10497604.333333
n÷3
7873203.25
n÷5
6298562.6
n2
991797270652969
n3
3.1234485978584E+22
n4
9.8366182607468E+29
n5
3.0978277943808E+37
2 √n
5611.8457747875
3 √n
315.79395917946
4 √n
74.912253835988
5 √n
31.596741045619
1 , 11 , 43 , 139 , 473 , 479 , 1529 , 5269 , 5977 , 20597 , 65747 , 66581 , 226567 , 732391 , 2862983 , 31492813
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31492812
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31492813 can be divided by 16 positive divisors.
The sum of these divisors (counting 31492813) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111000001000101011001101
3
Ternary
2012021000000111
4
Quaternary
1320020223031
5
Quinary
31030232223
6
Senary
3043000021
8
Octal
170105315
10
Decimal
31492813
12
Duodecimal
a669011
16
Hexadecimal
1e08acd
20
Vigesimal
9ggc0d
36
Base36
ir00d
md5
8c64f375e55544f7420152ccce1b46ee
sha1
4d8544332a1674cb1865856aeae2c6e13f7e8f1e
sha256
60a2f37ee76d7a3386eea21259a71eff2b17a26a9dd14aaf1be1114c27eaa7af
sha512
cbc82937cf04ab1a15b73546defe5d63ba6ddae24b4dea76d6ed313bba5c6117aaabac44afc82a9cc0d0e05f70d17357e7e98ba0ea944e79ff657e211a240e86
ripemd-160
1a7854ebc275cbdc450fa6046be1f5488bff49f2
Diameter
62985626
Circumference
197875179.92335
Area
3.1158230193338E+15
Volume
1.3083470891863E+23
Surface area
1.2463292077335E+16
Circumference
197875179.92335
Perimeter
125971252
Area
991797270652969
Diagonal
44537563.26188
Surface area
5950783623917814
Volume
3.1234485978584E+22
Space diagonal
54547152.189266
Perimeter
94478439
Area
4.2946081589477E+14
Altitude
27273576.094633
Surface area
4.2946081589477E+14
Volume
3.6810194737222E+21
Height
14845854.420627