20809508 is an even 8-digits composite number following 20809507
and preceding 20809509 . In scientific notation, it is written as 2.0809508 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 6 positive divisors.
There are 10404752 positive integers (up to 20809508) that are relatively prime to 20809508.
20809508 has 6 divisors, whose sum is 36416646
The reverse of 20809508 is 80590802
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million eight hundred nine thousand five hundred eight
Scientific notation
2.0809508 × 10^7
Engineering notation
2.0809508 × 10^6
Prime Factorization
2 × 2 × 5202377
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10404754
Product of the distinct prime numbers
The prime factorization of 20809508 is 2 × 2 × 5202377.
Since it has a total of 3 prime factors.
4 , 8 , 65 , 12 , 499 , 530 , 6644 , 3345 , 54207 , 70371 , 891336 , 449910 , 1994821 , 2435820 , 26404749 , 71070381 , 847144451 , 145292405 , 7056227015 , 8630914597
n×2
41619016
n×3
62428524
n×4
83238032
n×5
104047540
n÷2
10404754
n÷3
6936502.6666667
n÷3
5202377
n÷5
4161901.6
n2
433035623202064
n3
9.0112582653083E+21
n4
1.87519850962E+29
n5
3.9021958387525E+36
2 √n
4561.7439647573
3 √n
275.05567137368
4 √n
67.540683774725
5 √n
29.08388123091
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20809507
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20809508 can be divided by 6 positive divisors.
The sum of these divisors (counting 20809508) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001111011000011100100100
3
Ternary
1110011020021112
4
Quaternary
1033120130210
5
Quinary
20311401013
6
Senary
2022004152
8
Octal
117303444
10
Decimal
20809508
12
Duodecimal
6b76658
16
Hexadecimal
13d8724
20
Vigesimal
6a13f8
36
Base36
ce0pw
md5
10f1e539542fdf1b43d434f0db0d8fc5
sha1
98fd1e99634702ed1b185f1ec447910b1fdd533d
sha256
b15eb373f7760793661c198af18af0655417eaf29b5a8800c8ecd5cf6806d0fc
sha512
234799291b27289b5a692361e7017b11d537864548ce331c96bcb7203603cad4758d8368790846ccd055a6dfda64bf9a265011b3d431a26dd92025058e52255b
ripemd-160
fdc87556b4b732131fe1fa7d968f9bfa819da581
Diameter
41619016
Circumference
130749994.91524
Area
1.3604215325943E+15
Volume
3.7746270354524E+22
Surface area
5.4416861303771E+15
Circumference
130749994.91524
Perimeter
83238032
Area
433035623202064
Diagonal
29429088.439911
Surface area
2598213739212384
Volume
9.0112582653083E+21
Space diagonal
36043125.136511
Perimeter
62428524
Area
1.8750992521831E+14
Altitude
18021562.568256
Surface area
1.8750992521831E+14
Volume
1.0619869710705E+21
Height
9809696.1466371