20804808 is an even 8-digits composite number following 20804807
and preceding 20804809 . In scientific notation, it is written as 2.0804808 × 10^7.
The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors.
There are 6846528 positive integers (up to 20804808) that are relatively prime to 20804808.
20804808 has 32 divisors, whose sum is 52675200
The reverse of 20804808 is 80840802
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million eight hundred four thousand eight hundred eight
Scientific notation
2.0804808 × 10^7
Engineering notation
2.0804808 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 79 × 10973
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5201202
Product of the distinct prime numbers
The prime factorization of 20804808 is 2 × 2 × 2 × 3 × 79 × 10973.
Since it has a total of 6 prime factors.
10 , 1 , 91 , 62 , 128 , 469 , 372 , 3711 , 25012 , 66681 , 194612 , 272071 , 6615905 , 8794781 , 56265089 , 8054273 , 23093853 , 317197720 , 6080531032 , 1702109184
n×2
41609616
n×3
62414424
n×4
83219232
n×5
104024040
n÷2
10402404
n÷3
6934936
n÷3
5201202
n÷5
4160961.6
n2
432840035916864
n3
9.0051538419635E+21
n4
1.8735049669251E+29
n5
3.8977911123923E+36
2 √n
4561.2287818087
3 √n
275.03496194613
4 √n
67.536869795754
5 √n
29.082567345038
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 79 , 158 , 237 , 316 , 474 , 632 , 948 , 1896 , 10973 , 21946 , 32919 , 43892 , 65838 , 87784 , 131676 , 263352 , 866867 , 1733734 , 2600601 , 3467468 , 5201202 , 6934936 , 10402404 , 20804808
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20804807
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20804808 can be divided by 32 positive divisors.
The sum of these divisors (counting 20804808) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111010111010011001000
3
Ternary
1110010222211110
4
Quaternary
1033113103020
5
Quinary
20311223213
6
Senary
2021530320
8
Octal
117272310
10
Decimal
20804808
12
Duodecimal
6b739a0
16
Hexadecimal
13d74c8
20
Vigesimal
6a0c08
36
Base36
cdx3c
md5
d2ca4e7731d74f2030d008b218209313
sha1
deabe344f9e0f9741e7f92cdfd07cede99dfdfa4
sha256
4df1fa8ba6975562a5061055fd1a533be9d02546ae2836d4a6c615e1bdb83d55
sha512
85c6f92d0add08bf19d69d03fbc250d438d8014dffabda264d4cf41297619c45ff7dbc68fb3500dac054b67249836f58a56b2d71cdc2f69cded12d48a1c992a7
ripemd-160
fae20aecb9edad1da3a16c0ab8fa4bf09cc56717
Diameter
41609616
Circumference
130720463.94429
Area
1.359807077016E+15
Volume
3.7720700205811E+22
Surface area
5.4392283080638E+15
Circumference
130720463.94429
Perimeter
83219232
Area
432840035916864
Diagonal
29422441.636168
Surface area
2597040215501184
Volume
9.0051538419635E+21
Space diagonal
36034984.497715
Perimeter
62414424
Area
1.8742523343949E+14
Altitude
18017492.248858
Surface area
1.8742523343949E+14
Volume
1.0612675578801E+21
Height
9807480.5453894