20665655 is an odd 8-digits composite number following 20665654
and preceding 20665656 . In scientific notation, it is written as 2.0665655 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 16532520 positive integers (up to 20665655) that are relatively prime to 20665655.
20665655 has 4 divisors, whose sum is 24798792
The reverse of 20665655 is 55656602
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million six hundred sixty-five thousand six hundred fifty-five
Scientific notation
2.0665655 × 10^7
Engineering notation
2.0665655 × 10^6
Prime Factorization
5 × 4133131
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20665655
Product of the distinct prime numbers
The prime factorization of 20665655 is 5 × 4133131.
Since it has a total of 2 prime factors.
1 , 9 , 25 , 99 , 365 , 194 , 6859 , 7839 , 2602 , 69084 , 478326 , 569277 , 5403947 , 8717434 , 22548007 , 66349470 , 934288551 , 436953931 , 8246504864 , 6907804639
n×2
41331310
n×3
61996965
n×4
82662620
n×5
103328275
n÷2
10332827.5
n÷3
6888551.6666667
n÷3
5166413.75
n÷5
4133131
n2
427069296579025
n3
8.8256667441948E+21
n4
1.823881840805E+29
n5
3.7691712882842E+36
2 √n
4545.9492958017
3 √n
274.42039910312
4 √n
67.423655313263
5 √n
29.043559080227
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
-20665654
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 20665655 can be divided by 4 positive divisors.
The sum of these divisors (counting 20665655) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110110101010100110111
3
Ternary
1102212220221122
4
Quaternary
1032311110313
5
Quinary
20242300110
6
Senary
2014534155
8
Octal
116652467
10
Decimal
20665655
12
Duodecimal
6b0735b
16
Hexadecimal
13b5537
20
Vigesimal
69342f
36
Base36
caxpz
md5
e091f5d9dfcdb0f6a4fe2d7212f9f7ea
sha1
de385675245aa1c445a64a2530960df496db5ec9
sha256
b52bb6a3d286c338c62c87ca07736510ffd600f178046cbcbec9c21c33b89fa7
sha512
cd321e9c25997b233c909aee0747b097a6b1aacc8aa6911535385eda25fef1d31dd1c4fa38271f4e69beaff87a861bc86d0e197dc6f3c6e1f3bdb0edb6f5180f
ripemd-160
7374405f80a9b91610aa2a4d80c79baa68659694
Diameter
41331310
Circumference
129846139.85924
Area
1.3416777647064E+15
Volume
3.6968866408792E+22
Surface area
5.3667110588257E+15
Circumference
129846139.85924
Perimeter
82662620
Area
427069296579025
Diagonal
29225649.576323
Surface area
2562415779474150
Volume
8.8256667441948E+21
Space diagonal
35793964.43169
Perimeter
61996965
Area
1.8492643000689E+14
Altitude
17896982.215845
Surface area
1.8492643000689E+14
Volume
1.0401148005521E+21
Height
9741883.1921078