20804961 is an odd 8-digits composite number following 20804960
and preceding 20804962 . In scientific notation, it is written as 2.0804961 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 13851440 positive integers (up to 20804961) that are relatively prime to 20804961.
20804961 has 8 divisors, whose sum is 27777024
The reverse of 20804961 is 16940802
Previous prime number is 821
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million eight hundred four thousand nine hundred sixty-one
Scientific notation
2.0804961 × 10^7
Engineering notation
2.0804961 × 10^6
Prime Factorization
3 × 821 × 8447
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20804961
Product of the distinct prime numbers
The prime factorization of 20804961 is 3 × 821 × 8447.
Since it has a total of 3 prime factors.
1 , 4 , 44 , 54 , 725 , 281 , 258 , 6533 , 3150 , 12295 , 548343 , 236656 , 5971557 , 1159422 , 1695243 , 60792602 , 641477662 , 931589488 , 2073470752 , 9065001127
n×2
41609922
n×3
62414883
n×4
83219844
n×5
104024805
n÷2
10402480.5
n÷3
6934987
n÷3
5201240.25
n÷5
4160992.2
n2
432846402211521
n3
9.005352517001E+21
n4
1.8735600790746E+29
n5
3.8979344376304E+36
2 √n
4561.2455535742
3 √n
275.0356361532
4 √n
67.536993963117
5 √n
29.082610119955
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20804960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20804961 can be divided by 8 positive divisors.
The sum of these divisors (counting 20804961) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010111010101100001
3
Ternary
1110011000001010
4
Quaternary
1033113111201
5
Quinary
20311224321
6
Senary
2021531133
8
Octal
117272541
10
Decimal
20804961
12
Duodecimal
6b73aa9
16
Hexadecimal
13d7561
20
Vigesimal
6a0c81
36
Base36
cdx7l
md5
3841b01a343e610529522ee7ec878918
sha1
a9a1b7538174b15d9b5b7fcee83acb05fa659161
sha256
5cc7242a137e130a3e4d18e1c845a4aed5e9a3603b6e2c9c16e3e46ab1bb19e6
sha512
b7b777d0ee9bfb1b33ae2fa5977454fce95dfd20e3b102d69cfd1a099d13c7731d66bb2c8c54c0f1933cf81a379c12f256fbea972fb62cc15fdf4538c3d53e68
ripemd-160
d4714313089d880c0368b323b8ac1d27278c0ef1
Diameter
41609922
Circumference
130721425.27164
Area
1.3598270773205E+15
Volume
3.7721532413862E+22
Surface area
5.4393083092819E+15
Circumference
130721425.27164
Perimeter
83219844
Area
432846402211521
Diagonal
29422658.010843
Surface area
2597078413269126
Volume
9.005352517001E+21
Space diagonal
36035249.501489
Perimeter
62414883
Area
1.8742799012594E+14
Altitude
18017624.750744
Surface area
1.8742799012594E+14
Volume
1.0612909719578E+21
Height
9807552.6702811