20808220 is an even 8-digits composite number following 20808219
and preceding 20808221 . In scientific notation, it is written as 2.0808220 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors.
There are 8323280 positive integers (up to 20808220) that are relatively prime to 20808220.
20808220 has 12 divisors, whose sum is 43697304
The reverse of 20808220 is 02280802
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 eight thousand two hundred twenty
Scientific notation
2.0808220 × 10^7
Engineering notation
2.0808220 × 10^6
Prime Factorization
2 × 2 × 5 × 1040411
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10404110
Product of the distinct prime numbers
The prime factorization of 20808220 is 2 × 2 × 5 × 1040411.
Since it has a total of 4 prime factors.
5 , 10 , 19 , 71 , 87 , 488 , 9065 , 207 , 45273 , 83317 , 963011 , 105760 , 9491143 , 97838 , 54707230 , 96114385 , 877072932 , 885109759 , 3380750073 , 3790400847
n×2
41616440
n×3
62424660
n×4
83232880
n×5
104041100
n÷2
10404110
n÷3
6936073.3333333
n÷3
5202055
n÷5
4161644
n2
432982019568400
n3
9.0095851192236E+21
n4
1.8747342926953E+29
n5
3.9009883603948E+36
2 √n
4561.6027884944
3 √n
275.04999641948
4 √n
67.53963864646
5 √n
29.083521193888
1 , 2 , 4 , 5 , 10 , 20 , 1040411 , 2080822 , 4161644 , 5202055 , 10404110 , 20808220
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20808219
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20808220 can be divided by 12 positive divisors.
The sum of these divisors (counting 20808220) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111011000001000011100
3
Ternary
1110011011111211
4
Quaternary
1033120020130
5
Quinary
20311330340
6
Senary
2021554204
8
Octal
117301034
10
Decimal
20808220
12
Duodecimal
6b75964
16
Hexadecimal
13d821c
20
Vigesimal
6a10b0
36
Base36
cdzq4
md5
ee32d37f5de411552f16d0c3e8b18e76
sha1
972029821df2bec4738aedb6722aff3a9d8f8d3f
sha256
d64eaf95e7197f8db06fe0671679c68153b53deb8e7a95582c1d2ab562ca9ecb
sha512
cc3bdefa8eab28528d7eb65b1a6735d404755e6e854188f354a3c7990574d27aefecaa863fd9a2693fbefed5e4204229449c00162a547b8c8429cfbeedd47233
ripemd-160
5c5a087ceef68c0e41137e5fe4b7408270c39bb6
Diameter
41616440
Circumference
130741902.17256
Area
1.3602531318126E+15
Volume
3.7739261896593E+22
Surface area
5.4410125272502E+15
Circumference
130741902.17256
Perimeter
83232880
Area
432982019568400
Diagonal
29427266.932843
Surface area
2597892117410400
Volume
9.0095851192236E+21
Space diagonal
36040894.255071
Perimeter
62424660
Area
1.8748671416406E+14
Altitude
18020447.127535
Surface area
1.8748671416406E+14
Volume
1.0617897889134E+21
Height
9809088.9776144