20131081 is an odd 8-digits prime number following 20131080
and preceding 20131082 . In scientific notation, it is written as 2.0131081 × 10^7.
The sum of its digits is 16. It has a total of 1 prime factors and 2 positive divisors.
There are 20131080 positive integers (up to 20131081) that are relatively prime to 20131081.
20131081 has 2 divisors, whose sum is 20131082
The reverse of 20131081 is 18013102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million one hundred thirty-one thousand eighty-one
Scientific notation
2.0131081 × 10^7
Engineering notation
2.0131081 × 10^6
Prime Factorization
20131081
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20131081
Product of the distinct prime numbers
The prime factorization of 20131081 is 20131081.
Since it has a total of 1 prime factors.
7 , 5 , 74 , 87 , 740 , 706 , 5160 , 6050 , 10368 , 40336 , 225185 , 313249 , 3553122 , 5571682 , 34262609 , 26367327 , 932279093 , 813602088 , 8095783551 , 2015621008
n×2
40262162
n×3
60393243
n×4
80524324
n×5
100655405
n÷2
10065540.5
n÷3
6710360.3333333
n÷3
5032770.25
n÷5
4026216.2
n2
405260422228561
n3
8.1583303859774E+21
n4
1.6423600982487E+29
n5
3.3062484169013E+36
2 √n
4486.7673218031
3 √n
272.03348510048
4 √n
66.983336150143
5 √n
28.89172146036
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20131082
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10065541
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4486.7674332419
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999006511
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20131081 can be divided by 2 positive divisors.
The sum of these divisors (counting 20131081) is 20131082, the average is 10065541.
Base
System
Value
2
Binary
1001100110010110100001001
3
Ternary
1101212202122121
4
Quaternary
1030302310021
5
Quinary
20123143311
6
Senary
1555251241
8
Octal
114626411
10
Decimal
20131081
12
Duodecimal
68a9b21
16
Hexadecimal
1332d09
20
Vigesimal
65g7e1
36
Base36
bzh8p
md5
ab9055f90796511ff32abc26dedad151
sha1
663373009dcff2db4bb0312d17e239213b60e681
sha256
1b334742c067d849b95d21a9ec2498d85d54a970c08cfa1bcfe432dca75b51da
sha512
b6f0d63ca906dcd1cacaba141faf5459a83e85db786225f54e1dbf0069bfaf7eda032c783aeb031be657da894cc5927ea10d35d27cd6a7b093c3068ebc6fc84d
ripemd-160
7fce22328a3a6a9cb98de410a08cc20a99d8363e
Diameter
40262162
Circumference
126487312.35684
Area
1.2731631652639E+15
Volume
3.4173534408193E+22
Surface area
5.0926526610558E+15
Circumference
126487312.35684
Perimeter
80524324
Area
405260422228561
Diagonal
28469647.775431
Surface area
2431562533371366
Volume
8.1583303859774E+21
Space diagonal
34868055.103284
Perimeter
60393243
Area
1.7548291039917E+14
Altitude
17434027.551642
Surface area
1.7548291039917E+14
Volume
9.6146845651414E+20
Height
9489882.5918104