20108931 is an odd 8-digits composite number following 20108930
and preceding 20108932 . In scientific notation, it is written as 2.0108931 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 13384800 positive integers (up to 20108931) that are relatively prime to 20108931.
20108931 has 8 divisors, whose sum is 26854224
The reverse of 20108931 is 13980102
Previous prime number is 9901
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred eight thousand nine hundred thirty-one
Scientific notation
2.0108931 × 10^7
Engineering notation
2.0108931 × 10^6
Prime Factorization
3 × 9901 × 677
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20108931
Product of the distinct prime numbers
The prime factorization of 20108931 is 3 × 9901 × 677.
Since it has a total of 3 prime factors.
4 , 1 , 63 , 56 , 986 , 994 , 8206 , 2513 , 87993 , 67766 , 902406 , 829855 , 6519679 , 7485302 , 21543240 , 31485973 , 408161354 , 586988376 , 1922745460 , 1497429045
n×2
40217862
n×3
60326793
n×4
80435724
n×5
100544655
n÷2
10054465.5
n÷3
6702977
n÷3
5027232.75
n÷5
4021786.2
n2
404369105962761
n3
8.1314304503368E+21
n4
1.6351437385712E+29
n5
3.2880992614011E+36
2 √n
4484.2982728628
3 √n
271.93367669986
4 √n
66.96490329167
5 √n
28.885360813666
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
-20108930
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 20108931 can be divided by 8 positive divisors.
The sum of these divisors (counting 20108931) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101101011010000011
3
Ternary
1101211122021020
4
Quaternary
1030231122003
5
Quinary
20121441211
6
Senary
1555000523
8
Octal
114553203
10
Decimal
20108931
12
Duodecimal
6899143
16
Hexadecimal
132d683
20
Vigesimal
65dc6b
36
Base36
bz05f
md5
a6a28f4631d24af00d866f6dd0f3c90e
sha1
174fb664c0e0b80ee6021ff3ac4231f5b049c847
sha256
6df74c34fd1211caa67cdd7140858c67c35f8b0c02780b122c756cb07d96bd4f
sha512
bd9581c4168ff2d24c0ee3f3f882d77d867c9141bb29bb5d332122a9e94bd309887319a5acfb78484184a7f4a1fa8de46e10e9e46b5cc7a1d7d2720819754728
ripemd-160
d3673a712f5f2b8ded13d4a5e8bda8935ec7b4b7
Diameter
40217862
Circumference
126348139.80229
Area
1.2703630126313E+15
Volume
3.4060856221273E+22
Surface area
5.0814520505251E+15
Circumference
126348139.80229
Perimeter
80435724
Area
404369105962761
Diagonal
28438322.945025
Surface area
2426214635776566
Volume
8.1314304503368E+21
Space diagonal
34829690.177897
Perimeter
60326793
Area
1.7509695913468E+14
Altitude
17414845.088948
Surface area
1.7509695913468E+14
Volume
9.5829826869666E+20
Height
9479440.9816749