20808966 is an even 8-digits composite number following 20808965
and preceding 20808967 . In scientific notation, it is written as 2.0808966 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 6805344 positive integers (up to 20808966) that are relatively prime to 20808966.
20808966 has 16 divisors, whose sum is 42403824
The reverse of 20808966 is 66980802
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million eight hundred eight thousand nine hundred sixty-six
Scientific notation
2.0808966 × 10^7
Engineering notation
2.0808966 × 10^6
Prime Factorization
2 × 3 × 53 × 65437
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20808966
Product of the distinct prime numbers
The prime factorization of 20808966 is 2 × 3 × 53 × 65437.
Since it has a total of 4 prime factors.
7 , 2 , 79 , 60 , 974 , 131 , 3469 , 1257 , 58633 , 4266 , 292084 , 145882 , 5105975 , 7926214 , 98640614 , 94779304 , 431058504 , 710474350 , 784211997 , 7331422112
n×2
41617932
n×3
62426898
n×4
83235864
n×5
104044830
n÷2
10404483
n÷3
6936322
n÷3
5202241.5
n÷5
4161793.2
n2
433013065989156
n3
9.0105541677241E+21
n4
1.8750031531733E+29
n5
3.9016876864276E+36
2 √n
4561.6845572661
3 √n
275.05328333919
4 √n
67.540243982874
5 √n
29.083729726821
1 , 2 , 3 , 6 , 53 , 106 , 159 , 318 , 65437 , 130874 , 196311 , 392622 , 3468161 , 6936322 , 10404483 , 20808966
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20808965
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20808966 can be divided by 16 positive divisors.
The sum of these divisors (counting 20808966) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111011000010100000110
3
Ternary
1110011012112110
4
Quaternary
1033120110012
5
Quinary
20311341331
6
Senary
2022001450
8
Octal
117302406
10
Decimal
20808966
12
Duodecimal
6b76286
16
Hexadecimal
13d8506
20
Vigesimal
6a1286
36
Base36
ce0au
md5
8af6b841033d8cf5da6c7f0ef9bc29d3
sha1
ac7df83134c1ef7de70547920045cebdec4bca77
sha256
de814ccd2df1342ecf77d7c9090c36d73de6aecaaaf05dfb9402b6331e58a269
sha512
558ac7cc8b22329f682ee777cbc644bceabe140484f1e81a42619afef2993a160308b91fd655c29c30109b7c02ac321730ebc8443f5adf83122f8820f17897ea
ripemd-160
b82192d02f31867f6fcea6601f1339bf5b01d3dc
Diameter
41617932
Circumference
130746589.4288
Area
1.3603506670199E+15
Volume
3.774332103746E+22
Surface area
5.4414026680797E+15
Circumference
130746589.4288
Perimeter
83235864
Area
433013065989156
Diagonal
29428321.936161
Surface area
2598078395934936
Volume
9.0105541677241E+21
Space diagonal
36042186.364973
Perimeter
62426898
Area
1.875001576586E+14
Altitude
18021093.182487
Surface area
1.875001576586E+14
Volume
1.0619039923744E+21
Height
9809440.6453869