20720908 is an even 8-digits composite number following 20720907
and preceding 20720909 . In scientific notation, it is written as 2.0720908 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors.
There are 9329280 positive integers (up to 20720908) that are relatively prime to 20720908.
20720908 has 24 divisors, whose sum is 40007520
The reverse of 20720908 is 80902702
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million seven hundred twenty thousand nine hundred eight
Scientific notation
2.0720908 × 10^7
Engineering notation
2.0720908 × 10^6
Prime Factorization
2 × 2 × 13 × 41 × 9719
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10360454
Product of the distinct prime numbers
The prime factorization of 20720908 is 2 × 2 × 13 × 41 × 9719.
Since it has a total of 5 prime factors.
1 , 7 , 48 , 100 , 982 , 230 , 5964 , 1905 , 46084 , 17651 , 620896 , 922314 , 2082386 , 3263878 , 52299220 , 45236239 , 785838877 , 564917348 , 7311171119 , 13865292
n×2
41441816
n×3
62162724
n×4
82883632
n×5
103604540
n÷2
10360454
n÷3
6906969.3333333
n÷3
5180227
n÷5
4144181.6
n2
429356028344464
n3
8.896646762571E+21
n4
1.8434659907573E+29
n5
3.8198289195611E+36
2 √n
4552.0224076777
3 √n
274.6647506962
4 √n
67.468677233793
5 √n
29.059073036113
1 , 2 , 4 , 13 , 26 , 41 , 52 , 82 , 164 , 533 , 1066 , 2132 , 9719 , 19438 , 38876 , 126347 , 252694 , 398479 , 505388 , 796958 , 1593916 , 5180227 , 10360454 , 20720908
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20720907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20720908 can be divided by 24 positive divisors.
The sum of these divisors (counting 20720908) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111000010110100001100
3
Ternary
1102222201202001
4
Quaternary
1033002310030
5
Quinary
20301032113
6
Senary
2020042044
8
Octal
117026414
10
Decimal
20720908
12
Duodecimal
6b33324
16
Hexadecimal
13c2d0c
20
Vigesimal
69a258
36
Base36
cc4cs
md5
33417ac1fafe6550705d2fe27f8f1904
sha1
bc88c035d3e95753ce22d76daa7743972a8230f7
sha256
bd9cf9fc3b59417e2cbfb6ce2796413cccb2c08667f496e9b79d3633010efff7
sha512
5c999094726e0cca3d904cacd9a4dae9d4615beb96920b635c7780119d1eb29701726b92c632ca58d1c5f936bf34c85c98e52dfd3e272179596b1f66b8acd1d8
ripemd-160
0e254327e67758887eaf17c53664eeceb280cceb
Diameter
41441816
Circumference
130193304.69702
Area
1.3488617444215E+15
Volume
3.7266186814502E+22
Surface area
5.3954469776858E+15
Circumference
130193304.69702
Perimeter
82883632
Area
429356028344464
Diagonal
29303789.118285
Surface area
2576136170066784
Volume
8.896646762571E+21
Space diagonal
35889665.43496
Perimeter
62162724
Area
1.8591661390715E+14
Altitude
17944832.71748
Surface area
1.8591661390715E+14
Volume
1.0484798759392E+21
Height
9767929.7060951