20131913 is an odd 8-digits composite number following 20131912
and preceding 20131914 . In scientific notation, it is written as 2.0131913 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 19973268 positive integers (up to 20131913) that are relatively prime to 20131913.
20131913 has 4 divisors, whose sum is 20290560
The reverse of 20131913 is 31913102
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred thirty-one thousand nine hundred thirteen
Scientific notation
2.0131913 × 10^7
Engineering notation
2.0131913 × 10^6
Prime Factorization
127 × 158519
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20131913
Product of the distinct prime numbers
The prime factorization of 20131913 is 127 × 158519.
Since it has a total of 2 prime factors.
7 , 2 , 10 , 23 , 827 , 656 , 6080 , 7377 , 44451 , 22391 , 369519 , 387107 , 4825074 , 1339082 , 36939927 , 9758130 , 504730479 , 609640117 , 2565248300 , 759402755
n×2
40263826
n×3
60395739
n×4
80527652
n×5
100659565
n÷2
10065956.5
n÷3
6710637.6666667
n÷3
5032978.25
n÷5
4026382.6
n2
405293921039569
n3
8.1593419577975E+21
n4
1.6426316243163E+29
n5
3.3069316951784E+36
2 √n
4486.860037933
3 √n
272.03723268432
4 √n
66.984028230116
5 √n
28.891960270337
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20131912
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20131913 can be divided by 4 positive divisors.
The sum of these divisors (counting 20131913) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110011000001001001
3
Ternary
1101212210210102
4
Quaternary
1030303001021
5
Quinary
20123210123
6
Senary
1555255145
8
Octal
114630111
10
Decimal
20131913
12
Duodecimal
68aa4b5
16
Hexadecimal
1333049
20
Vigesimal
65g9fd
36
Base36
bzhvt
md5
0851ef77c36dec6f8c64a6609f79933c
sha1
cbd0dba480ecafa03e0652ff664aa48d0e0fa842
sha256
dcb90c772e5592fa2b17398cb28954618d433719dae661b89a3e057c1f3d5ee6
sha512
297e139f625456c16b2dcf88f1dfdc490fa4c5b692180d6e721e410f74dfa2bef9e80202008899df54110905d28ddd0f9596b1d475fdb047d2bc2e2416461930
ripemd-160
7a5181bdaf8d94584d61d1d2114f5d3c2e1ae071
Diameter
40263826
Circumference
126492539.96702
Area
1.2732684048825E+15
Volume
3.4177771670325E+22
Surface area
5.09307361953E+15
Circumference
126492539.96702
Perimeter
80527652
Area
405293921039569
Diagonal
28470824.401115
Surface area
2431763526237414
Volume
8.1593419577975E+21
Space diagonal
34869496.169556
Perimeter
60395739
Area
1.7549741580984E+14
Altitude
17434748.084778
Surface area
1.7549741580984E+14
Volume
9.6158767139642E+20
Height
9490274.8003717