20509009 is an odd 8-digits composite number following 20509008
and preceding 20509010 . In scientific notation, it is written as 2.0509009 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 20433060 positive integers (up to 20509009) that are relatively prime to 20509009.
20509009 has 4 divisors, whose sum is 20584960
The reverse of 20509009 is 90090502
Previous prime number is 271
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million five hundred nine thousand nine
Scientific notation
2.0509009 × 10^7
Engineering notation
2.0509009 × 10^6
Prime Factorization
271 × 75679
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20509009
Product of the distinct prime numbers
The prime factorization of 20509009 is 271 × 75679.
Since it has a total of 2 prime factors.
3 , 4 , 10 , 16 , 644 , 873 , 3895 , 2533 , 23907 , 37238 , 371294 , 50573 , 4528986 , 1849866 , 67883380 , 7200478 , 415281418 , 611251175 , 799518346 , 4226240054
n×2
41018018
n×3
61527027
n×4
82036036
n×5
102545045
n÷2
10254504.5
n÷3
6836336.3333333
n÷3
5127252.25
n÷5
4101801.8
n2
420619450162081
n3
8.6264880889492E+21
n4
1.7692072185465E+29
n5
3.6284686768035E+36
2 √n
4528.687337408
3 √n
273.72526941023
4 √n
67.295522417231
5 √n
28.999394840434
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
-20509008
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 20509009 can be divided by 4 positive divisors.
The sum of these divisors (counting 20509009) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110001111000101010001
3
Ternary
1102120222001221
4
Quaternary
1032033011101
5
Quinary
20222242014
6
Senary
2011325041
8
Octal
116170521
10
Decimal
20509009
12
Duodecimal
6a50781
16
Hexadecimal
138f151
20
Vigesimal
683ca9
36
Base36
c7kup
md5
b56d57e4e353c5ac207d63161ebae39f
sha1
10e3f38752ba8f4fcd42f541b4a2274bfd41e9af
sha256
1fd8e6e61b71652df8e9261449d95e1d2750f109a6d5054f8d2a611a7f4c895a
sha512
91771c22604178c123cf1006a5298a8fe51ed097d27801ff9f32126fc014998c7415227e64173cd7f44a726f5678123ab5acc78118279bcb0c6f3e916d9d4407
ripemd-160
5c230293f1575359487040f0911522b629ba5b67
Diameter
41018018
Circumference
128861904.01361
Area
1.3214149745862E+15
Volume
3.6134548808697E+22
Surface area
5.2856598983447E+15
Circumference
128861904.01361
Perimeter
82036036
Area
420619450162081
Diagonal
29004118.678632
Surface area
2523716700972486
Volume
8.6264880889492E+21
Space diagonal
35522645.600887
Perimeter
61527027
Area
1.821335645831E+14
Altitude
17761322.800444
Surface area
1.821335645831E+14
Volume
1.0166413709202E+21
Height
9668039.559544