31493886 is an even 8-digits composite number following 31493885
and preceding 31493887 . In scientific notation, it is written as 3.1493886 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 10254816 positive integers (up to 31493886) that are relatively prime to 31493886.
31493886 has 32 divisors, whose sum is 64464000
The reverse of 31493886 is 68839413
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
thirty-one million four hundred ninety-three thousand eight hundred eighty-six
Scientific notation
3.1493886 × 10^7
Engineering notation
3.1493886 × 10^6
Prime Factorization
2 × 3 × 157 × 67 × 499
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
31493886
Product of the distinct prime numbers
The prime factorization of 31493886 is 2 × 3 × 157 × 67 × 499.
Since it has a total of 5 prime factors.
7 , 4 , 71 , 68 , 325 , 36 , 2942 , 4049 , 16683 , 87859 , 977497 , 358117 , 2757473 , 1542135 , 93527970 , 23034839 , 570273589 , 462390674 , 5343476959 , 482249390
n×2
62987772
n×3
94481658
n×4
125975544
n×5
157469430
n÷2
15746943
n÷3
10497962
n÷3
7873471.5
n÷5
6298777.2
n2
991864855380996
n3
3.1237678682776E+22
n4
9.8379589133996E+29
n5
3.0983555649129E+37
2 √n
5611.9413753175
3 √n
315.7975456387
4 √n
74.912891916662
5 √n
31.596956350877
1 , 2 , 3 , 6 , 67 , 134 , 157 , 201 , 314 , 402 , 471 , 499 , 942 , 998 , 1497 , 2994 , 10519 , 21038 , 31557 , 33433 , 63114 , 66866 , 78343 , 100299 , 156686 , 200598 , 235029 , 470058 , 5248981 , 10497962 , 15746943 , 31493886
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31493885
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31493886 can be divided by 32 positive divisors.
The sum of these divisors (counting 31493886) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1111000001000111011111110
3
Ternary
2012021001111020
4
Quaternary
1320020323332
5
Quinary
31030301021
6
Senary
3043005010
8
Octal
170107376
10
Decimal
31493886
12
Duodecimal
a669766
16
Hexadecimal
1e08efe
20
Vigesimal
9ggee6
36
Base36
ir0u6
md5
058ce401a57e3002a89b2cfc45eb5f65
sha1
d056635587771893099438d87bddf5af40f4720b
sha256
d136a5c73d3adddd4e5a8a7b4f722859f6ec88d47d3a67de0be584fc38b8869c
sha512
2097a7bebce9e8fd82e3fb2521679c19e4c7fccb3034ddf36d9836e46e4288432db767dd909afbf85955867b35cd98e43bd01b58be802c8a1125e215fd25d73f
ripemd-160
77eb054c3d9344eacba5777d67abde5f29b0b170
Diameter
62987772
Circumference
197881921.78119
Area
3.1160353430188E+15
Volume
1.3084808248667E+23
Surface area
1.2464141372075E+16
Circumference
197881921.78119
Perimeter
125975544
Area
991864855380996
Diagonal
44539080.713032
Surface area
5951189132285976
Volume
3.1237678682776E+22
Space diagonal
54549010.679782
Perimeter
94481658
Area
4.2949008094046E+14
Altitude
27274505.339891
Surface area
4.2949008094046E+14
Volume
3.6813957375195E+21
Height
14846360.237677