20804902 is an even 8-digits composite number following 20804901
and preceding 20804903 . In scientific notation, it is written as 2.0804902 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 10402450 positive integers (up to 20804902) that are relatively prime to 20804902.
20804902 has 4 divisors, whose sum is 31207356
The reverse of 20804902 is 20940802
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million eight hundred four thousand nine hundred two
Scientific notation
2.0804902 × 10^7
Engineering notation
2.0804902 × 10^6
Prime Factorization
2 × 10402451
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20804902
Product of the distinct prime numbers
The prime factorization of 20804902 is 2 × 10402451.
Since it has a total of 2 prime factors.
5 , 6 , 99 , 91 , 975 , 287 , 9703 , 9550 , 82220 , 2540 , 961436 , 117061 , 7059616 , 4908909 , 60194564 , 20734357 , 532178248 , 485451175 , 3115253584 , 2343013522
n×2
41609804
n×3
62414706
n×4
83219608
n×5
104024510
n÷2
10402451
n÷3
6934967.3333333
n÷3
5201225.5
n÷5
4160980.4
n2
432843947229604
n3
9.0052759034051E+21
n4
1.873538826533E+29
n5
3.8978791679215E+36
2 √n
4561.2390860379
3 √n
275.03537616525
4 √n
67.536946081666
5 √n
29.082593625082
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20804901
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20804902 can be divided by 4 positive divisors.
The sum of these divisors (counting 20804902) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010111010100100110
3
Ternary
1110010222221221
4
Quaternary
1033113110212
5
Quinary
20311224102
6
Senary
2021530554
8
Octal
117272446
10
Decimal
20804902
12
Duodecimal
6b73a5a
16
Hexadecimal
13d7526
20
Vigesimal
6a0c52
36
Base36
cdx5y
md5
37900c76fdcb569605a63b71e6e7ac2a
sha1
50544e0a4c11555bc6968737698c25d2230ea965
sha256
92d264659dfc6a53551b2c8c25ad4a4a2efce31810e6975676cbe92f8c3af125
sha512
f36c3dcfb3ff895087a9897725789253133dab728aac10f03a78a69b2b6c328719e5809f8a74e91c83f5f56e4b3286860c5cb35725247f063150b13c532c9516
ripemd-160
df33566e7c701c189f4587069664be405eabb3f7
Diameter
41609804
Circumference
130721054.56371
Area
1.3598193647673E+15
Volume
3.7721211495582E+22
Surface area
5.4392774590693E+15
Circumference
130721054.56371
Perimeter
83219608
Area
432843947229604
Diagonal
29422574.572243
Surface area
2597063683377624
Volume
9.0052759034051E+21
Space diagonal
36035147.310491
Perimeter
62414706
Area
1.8742692708758E+14
Altitude
18017573.655246
Surface area
1.8742692708758E+14
Volume
1.0612819429589E+21
Height
9807524.8574144