20081131 is an odd 8-digits composite number following 20081130
and preceding 20081132 . In scientific notation, it is written as 2.0081131 × 10^7.
The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors.
There are 16199232 positive integers (up to 20081131) that are relatively prime to 20081131.
20081131 has 8 divisors, whose sum is 21697200
The reverse of 20081131 is 13118002
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million eighty-one thousand one hundred thirty-one
Scientific notation
2.0081131 × 10^7
Engineering notation
2.0081131 × 10^6
Prime Factorization
49 × 17 × 24107
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20081131
Product of the distinct prime numbers
The prime factorization of 20081131 is 49 × 17 × 24107.
Since it has a total of 3 prime factors.
8 , 7 , 67 , 69 , 944 , 508 , 7074 , 9160 , 21025 , 72211 , 230344 , 588166 , 2463778 , 5628258 , 52460124 , 63448002 , 427724807 , 751525478 , 4125682440 , 4093718054
n×2
40162262
n×3
60243393
n×4
80324524
n×5
100405655
n÷2
10040565.5
n÷3
6693710.3333333
n÷3
5020282.75
n÷5
4016226.2
n2
403251822239161
n3
8.0977526683733E+21
n4
1.626120321392E+29
n5
3.2654335195636E+36
2 √n
4481.1974962057
3 √n
271.808305497
4 √n
66.941747035805
5 √n
28.877369762765
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
-20081130
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 20081131 can be divided by 8 positive divisors.
The sum of these divisors (counting 20081131) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100100110100111101011
3
Ternary
1101210020010121
4
Quaternary
1030212213223
5
Quinary
20120044011
6
Senary
1554224111
8
Octal
114464753
10
Decimal
20081131
12
Duodecimal
6885037
16
Hexadecimal
13269eb
20
Vigesimal
65a2gb
36
Base36
byep7
md5
566fbd7e18dd08f013248969cdd06aa8
sha1
7b05769fc9a133816229d182fe294a190d8f94a2
sha256
91e76fa7f84143b3615d64bb68955c0ab0cf15b0b4535fd951c2047b89489e6c
sha512
90136cd79c6ad5cb6e4902ccbad057d6e9eecf83a3da0052b96375e42c7046a0153a2dc1d46cf55e31791fb664cc045eb415f1d71ecfd072a5b514296037feeb
ripemd-160
4f12687e488fa37afd1a384caf02599b777e0dad
Diameter
40162262
Circumference
126173467.25075
Area
1.2668529622932E+15
Volume
3.3919787058065E+22
Surface area
5.067411849173E+15
Circumference
126173467.25075
Perimeter
80324524
Area
403251822239161
Diagonal
28399007.807991
Surface area
2419510933434966
Volume
8.0977526683733E+21
Space diagonal
34781539.165446
Perimeter
60243393
Area
1.7461316109074E+14
Altitude
17390769.582723
Surface area
1.7461316109074E+14
Volume
9.543293040297E+20
Height
9466335.9359969