20809210 is an even 8-digits composite number following 20809209
and preceding 20809211 . In scientific notation, it is written as 2.0809210 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 8323680 positive integers (up to 20809210) that are relatively prime to 20809210.
20809210 has 8 divisors, whose sum is 37456596
The reverse of 20809210 is 01290802
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million eight hundred nine thousand two hundred ten
Scientific notation
2.0809210 × 10^7
Engineering notation
2.0809210 × 10^6
Prime Factorization
2 × 5 × 2080921
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20809210
Product of the distinct prime numbers
The prime factorization of 20809210 is 2 × 5 × 2080921.
Since it has a total of 3 prime factors.
6 , 3 , 8 , 61 , 22 , 314 , 1872 , 9234 , 70553 , 55403 , 150324 , 534806 , 2598847 , 9491904 , 25128689 , 55405507 , 267460526 , 64529570 , 1049871491 , 5296791102
n×2
41618420
n×3
62427630
n×4
83236840
n×5
104046050
n÷2
10404605
n÷3
6936403.3333333
n÷3
5202302.5
n÷5
4161842
n2
433023220824100
n3
9.0108711370051E+21
n4
1.8750910977288E+29
n5
3.9019164421769E+36
2 √n
4561.7113016937
3 √n
275.05435840044
4 √n
67.540441971412
5 √n
29.083797932004
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
-20809209
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 20809210 can be divided by 8 positive divisors.
The sum of these divisors (counting 20809210) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111011000010111111010
3
Ternary
1110011012212111
4
Quaternary
1033120113322
5
Quinary
20311343320
6
Senary
2022002534
8
Octal
117302772
10
Decimal
20809210
12
Duodecimal
6b7644a
16
Hexadecimal
13d85fa
20
Vigesimal
6a130a
36
Base36
ce0hm
md5
dfb540db6bdc0a07d645ad2e03b4d380
sha1
1be5e8fe13ab5becacd6e5e389154511fe44ec3b
sha256
fd307707a82ca92952f51e95ece48405428008b0fd49d9a89a52d47ad6de7b61
sha512
038205ededd6e96599c0faa3ba92f64df919c50d8f794dacf896781bd43d9dba1e7cc0a1d93f9766b3495dc40ef86fcd3c2aef40e4eafe60365d349775ee8bc5
ripemd-160
ed671750d4d9e12374af6932384b1e7b6e0cd031
Diameter
41618420
Circumference
130748122.52601
Area
1.3603825693748E+15
Volume
3.7744648755279E+22
Surface area
5.4415302774991E+15
Circumference
130748122.52601
Perimeter
83236840
Area
433023220824100
Diagonal
29428667.00427
Surface area
2598139324944600
Volume
9.0108711370051E+21
Space diagonal
36042608.98537
Perimeter
62427630
Area
1.8750455483111E+14
Altitude
18021304.492685
Surface area
1.8750455483111E+14
Volume
1.0619413475624E+21
Height
9809555.6680899