20505589 is an odd 8-digits composite number following 20505588
and preceding 20505590 . In scientific notation, it is written as 2.0505589 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 18928224 positive integers (up to 20505589) that are relatively prime to 20505589.
20505589 has 4 divisors, whose sum is 22082956
The reverse of 20505589 is 98550502
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million five hundred five thousand five hundred eighty-nine
Scientific notation
2.0505589 × 10^7
Engineering notation
2.0505589 × 10^6
Prime Factorization
13 × 1577353
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20505589
Product of the distinct prime numbers
The prime factorization of 20505589 is 13 × 1577353.
Since it has a total of 2 prime factors.
3 , 3 , 28 , 94 , 456 , 821 , 3247 , 480 , 25601 , 49505 , 574828 , 782119 , 7196428 , 5447835 , 93910306 , 58901620 , 123043438 , 773640148 , 9801618803 , 8277292246
n×2
41011178
n×3
61516767
n×4
82022356
n×5
102527945
n÷2
10252794.5
n÷3
6835196.3333333
n÷3
5126397.25
n÷5
4101117.8
n2
420479180236921
n3
8.6221732529952E+21
n4
1.7680274101271E+29
n5
3.6254443412801E+36
2 √n
4528.3097288061
3 √n
273.71005345543
4 √n
67.292716758993
5 √n
28.998427611384
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
-20505588
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 20505589 can be divided by 4 positive divisors.
The sum of these divisors (counting 20505589) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110001110001111110101
3
Ternary
1102120210101021
4
Quaternary
1032032033311
5
Quinary
20222134324
6
Senary
2011301141
8
Octal
116161765
10
Decimal
20505589
12
Duodecimal
6a4a7b1
16
Hexadecimal
138e3f5
20
Vigesimal
6833j9
36
Base36
c7i7p
md5
82dd76b3fd43fb1dc1bb03cc9911bcdb
sha1
fa9e3aa4c4e1e02d5ba8cdcdc7d2c7f09fcc9238
sha256
671fb7b9d0d2533188e53f2caf7fa5da21b6c3873442452f7dc235d753b46018
sha512
9952f53af6ede0bbb54bf29d74041c9f38f22f12087d962b1d89c4c6c7fe160cb8cc82a575f1f39c60b7d04875af9eb2fcea0da674d261cefcf2d9bf8b25b5d9
ripemd-160
962cb9a8d0a568e6067372bfba0f4a9bfa86fa67
Diameter
41011178
Circumference
128840415.51986
Area
1.3209743036198E+15
Volume
3.6116474866118E+22
Surface area
5.2838972144791E+15
Circumference
128840415.51986
Perimeter
82022356
Area
420479180236921
Diagonal
28999282.068249
Surface area
2522875081421526
Volume
8.6221732529952E+21
Space diagonal
35516721.987125
Perimeter
61516767
Area
1.8207282592381E+14
Altitude
17758360.993563
Surface area
1.8207282592381E+14
Volume
1.0161328626264E+21
Height
9666427.3560829