20138631 is an odd 8-digits composite number following 20138630
and preceding 20138632 . In scientific notation, it is written as 2.0138631 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 13410432 positive integers (up to 20138631) that are relatively prime to 20138631.
20138631 has 8 divisors, whose sum is 26882160
The reverse of 20138631 is 13683102
Previous prime number is 1009
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred thirty-eight thousand six hundred thirty-one
Scientific notation
2.0138631 × 10^7
Engineering notation
2.0138631 × 10^6
Prime Factorization
3 × 1009 × 6653
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20138631
Product of the distinct prime numbers
The prime factorization of 20138631 is 3 × 1009 × 6653.
Since it has a total of 3 prime factors.
6 , 1 , 59 , 77 , 657 , 820 , 9711 , 363 , 58438 , 43015 , 983551 , 884648 , 5944461 , 2577817 , 72329062 , 84856729 , 549505358 , 149621119 , 3838686844 , 2268241311
n×2
40277262
n×3
60415893
n×4
80554524
n×5
100693155
n÷2
10069315.5
n÷3
6712877
n÷3
5034657.75
n÷5
4027726.2
n2
405564458554161
n3
8.167512977537E+21
n4
1.6448253004233E+29
n5
3.3124529784689E+36
2 √n
4487.6086059281
3 √n
272.06748884003
4 √n
66.989615657414
5 √n
28.893888256876
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
-20138630
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 20138631 can be divided by 8 positive divisors.
The sum of these divisors (counting 20138631) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100101010000111
3
Ternary
1101220011000020
4
Quaternary
1030310222013
5
Quinary
20123414011
6
Senary
1555350223
8
Octal
114645207
10
Decimal
20138631
12
Duodecimal
68b2373
16
Hexadecimal
1334a87
20
Vigesimal
65h6bb
36
Base36
bzn2f
md5
13e79ce9622668f60eb9881286b0425e
sha1
dcb3ea524a9b273e8b6b46927451dcd5950e3082
sha256
7144e03aaf545d796e8d321bd78a6ae4ee4b3782a8c3177b70e2b78eedf7601f
sha512
d47e38c8dc68c11d7a8d24f0c517ac8abb73139597724adcaef0314354060d6232eaa8e71f84498cd78c80217a5e7b7c5ac16071e68cfbf044da3bc754bb8ecf
ripemd-160
4c0d88b9385ad0a14881fd31356e75641e32f081
Diameter
40277262
Circumference
126534750.40591
Area
1.2741183235509E+15
Volume
3.4211998357773E+22
Surface area
5.0964732942035E+15
Circumference
126534750.40591
Perimeter
80554524
Area
405564458554161
Diagonal
28480325.087827
Surface area
2433386751324966
Volume
8.167512977537E+21
Space diagonal
34881132.086882
Perimeter
60415893
Area
1.7561456198999E+14
Altitude
17440566.043441
Surface area
1.7561456198999E+14
Volume
9.625506353076E+20
Height
9493441.6959424