20506775 is an odd 8-digits composite number following 20506774
and preceding 20506776 . In scientific notation, it is written as 2.0506775 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 16405400 positive integers (up to 20506775) that are relatively prime to 20506775.
20506775 has 4 divisors, whose sum is 21327072
The reverse of 20506775 is 57760502
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million five hundred six thousand seven hundred seventy-five
Scientific notation
2.0506775 × 10^7
Engineering notation
2.0506775 × 10^6
Prime Factorization
25 × 820271
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20506775
Product of the distinct prime numbers
The prime factorization of 20506775 is 25 × 820271.
Since it has a total of 2 prime factors.
5 , 9 , 37 , 95 , 430 , 829 , 5775 , 6250 , 83055 , 77349 , 589182 , 905838 , 4056166 , 8253854 , 71290290 , 23690278 , 475973413 , 43193544 , 2367788579 , 2735243229
n×2
41013550
n×3
61520325
n×4
82027100
n×5
102533875
n÷2
10253387.5
n÷3
6835591.6666667
n÷3
5126693.75
n÷5
4101355
n2
420527820900625
n3
8.6236694044494E+21
n4
1.7684364815143E+29
n5
3.6264929028205E+36
2 √n
4528.4406808525
3 √n
273.71533029101
4 √n
67.293689755077
5 √n
28.998763045197
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
-20506774
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 20506775 can be divided by 4 positive divisors.
The sum of these divisors (counting 20506775) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110001110100010010111
3
Ternary
1102120212000012
4
Quaternary
1032032202113
5
Quinary
20222204100
6
Senary
2011310435
8
Octal
116164227
10
Decimal
20506775
12
Duodecimal
6a4b41b
16
Hexadecimal
138e897
20
Vigesimal
6836if
36
Base36
c7j4n
md5
94bb0564e9446d99c85726bc49d62a71
sha1
5e4cf76d712d741cc975690cb3a54a095f9d2a51
sha256
c0da3b0ae2eec8202681fb29a2bae72248c0d81a066458746340fc012eec95bb
sha512
5d7bcc94a619e8c8c989455b5c4be6459b4cd0347cdb3838de9de83c49bd3b6a2086ea2b53669652415cb7e005d0970bf45e211803e7d9a5b9782d724f860dd9
ripemd-160
37e12167f14c4c0993b365843007c2b0b1d4c22a
Diameter
41013550
Circumference
128847867.37764
Area
1.3211271127715E+15
Volume
3.6122741930674E+22
Surface area
5.2845084510861E+15
Circumference
128847867.37764
Perimeter
82027100
Area
420527820900625
Diagonal
29000959.325534
Surface area
2523166925403750
Volume
8.6236694044494E+21
Space diagonal
35518776.199383
Perimeter
61520325
Area
1.8209388794903E+14
Altitude
17759388.099692
Surface area
1.8209388794903E+14
Volume
1.0163091857662E+21
Height
9666986.4418445