20280820 is an even 8-digits composite number following 20280819
and preceding 20280821 . In scientific notation, it is written as 2.0280820 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors.
There are 6727680 positive integers (up to 20280820) that are relatively prime to 20280820.
20280820 has 12 divisors, whose sum is 35531748
The reverse of 20280820 is 02808202
Previous prime number is 1085
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million two hundred eighty thousand eight hundred twenty
Scientific notation
2.0280820 × 10^7
Engineering notation
2.0280820 × 10^6
Prime Factorization
2 × 2 × 1085 × 4673
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10140410
Product of the distinct prime numbers
The prime factorization of 20280820 is 2 × 2 × 1085 × 4673.
Since it has a total of 4 prime factors.
9 , 6 , 82 , 90 , 815 , 796 , 9670 , 4515 , 69881 , 60137 , 974079 , 756169 , 8923809 , 3971722 , 3318348 , 27794230 , 299298306 , 1786761 , 6049901001 , 1590122355
n×2
40561640
n×3
60842460
n×4
81123280
n×5
101404100
n÷2
10140410
n÷3
6760273.3333333
n÷3
5070205
n÷5
4056164
n2
411311659872400
n3
8.3417377377734E+21
n4
1.6917728154699E+29
n5
3.4310539951438E+36
2 √n
4503.4231424551
3 √n
272.7062994646
4 √n
67.107549072031
5 √n
28.934574627758
1 , 2 , 4 , 1085 , 2170 , 4340 , 4673 , 9346 , 18692 , 5070205 , 10140410 , 20280820
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
-20280819
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 20280820 can be divided by 12 positive divisors.
The sum of these divisors (counting 20280820) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101010111010111110100
3
Ternary
1102011101001111
4
Quaternary
1031113113310
5
Quinary
20142441240
6
Senary
2002404404
8
Octal
115272764
10
Decimal
20280820
12
Duodecimal
6960704
16
Hexadecimal
13575f4
20
Vigesimal
66f210
36
Base36
c2os4
md5
8ad71a29f0c9b5c679d66ba63647b263
sha1
a9e5363bc1d013285d3a67a33afa38963ed7941f
sha256
07d7b718ca56b8bbf0d90254e0cf93ee51b010b5e9161f8f0162ed8731765782
sha512
ad6ac503dcf584dbc0e0bb57c6d061a5870e873851d7e7f2e559f139b03edf174935796bc0e0c53b63b727923967ae48e1e8f998dd592bb31647eea56efc04fe
ripemd-160
0bf70d3f8ede69a142872620a79111e20971a667
Diameter
40561640
Circumference
127428150.24155
Area
1.292173688991E+15
Volume
3.4941789326882E+22
Surface area
5.1686947559638E+15
Circumference
127428150.24155
Perimeter
81123280
Area
411311659872400
Diagonal
28681410.700048
Surface area
2467869959234400
Volume
8.3417377377734E+21
Space diagonal
35127410.659159
Perimeter
60842460
Area
1.7810317316112E+14
Altitude
17563705.32958
Surface area
1.7810317316112E+14
Volume
9.8308322020988E+20
Height
9560470.2333492