20686765 is an odd 8-digits composite number following 20686764
and preceding 20686766 . In scientific notation, it is written as 2.0686765 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors.
There are 14546400 positive integers (up to 20686765) that are relatively prime to 20686765.
20686765 has 24 divisors, whose sum is 28191744
The reverse of 20686765 is 56768602
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million six hundred eighty-six thousand seven hundred sixty-five
Scientific notation
2.0686765 × 10^7
Engineering notation
2.0686765 × 10^6
Prime Factorization
5 × 11 × 11 × 31 × 1103
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1880615
Product of the distinct prime numbers
The prime factorization of 20686765 is 5 × 11 × 11 × 31 × 1103.
Since it has a total of 5 prime factors.
6 , 10 , 20 , 34 , 832 , 611 , 8062 , 9765 , 91113 , 77752 , 135322 , 292186 , 465291 , 5288420 , 58114022 , 1758934 , 744809937 , 468725713 , 5980875045 , 7912961964
n×2
41373530
n×3
62060295
n×4
82747060
n×5
103433825
n÷2
10343382.5
n÷3
6895588.3333333
n÷3
5171691.25
n÷5
4137353
n2
427942246165225
n3
8.8527406799922E+21
n4
1.8313456605294E+29
n5
3.7884617313141E+36
2 √n
4548.27055044
3 √n
274.5138075985
4 √n
67.440867064711
5 √n
29.049490265748
1 , 5 , 11 , 31 , 55 , 121 , 155 , 341 , 605 , 1103 , 1705 , 3751 , 5515 , 12133 , 18755 , 34193 , 60665 , 133463 , 170965 , 376123 , 667315 , 1880615 , 4137353 , 20686765
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20686764
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20686765 can be divided by 24 positive divisors.
The sum of these divisors (counting 20686765) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110111010011110101101
3
Ternary
1102220222220111
4
Quaternary
1032322132231
5
Quinary
20243434030
6
Senary
2015220021
8
Octal
116723655
10
Decimal
20686765
12
Duodecimal
6b17611
16
Hexadecimal
13ba7ad
20
Vigesimal
695gi5
36
Base36
cbe0d
md5
687f09132cfa057e413ecb10ecc7e226
sha1
830d2711b40cc67208e4e5b92737076af652dedf
sha256
dc549ed23a7cba245e25b566b5e70e91a9e0fcfb51c9638e800914ba5085ec8c
sha512
ff1bb1d424bee6ff75bcbed4c62c137da4c46b2046eb07eb14015a5af362b7f193893a5b014959ead05bfe6e68832a6c511a278e64a7072fda2a650dd1dc3a18
ripemd-160
db7a317faedeabc4d2c95f546058e4210823a8ed
Diameter
41373530
Circumference
129978777.90108
Area
1.3444202167134E+15
Volume
3.7082273445865E+22
Surface area
5.3776808668535E+15
Circumference
129978777.90108
Perimeter
82747060
Area
427942246165225
Diagonal
29255503.624625
Surface area
2567653476991350
Volume
8.8527406799922E+21
Space diagonal
35830528.024238
Perimeter
62060295
Area
1.8530442826583E+14
Altitude
17915264.012119
Surface area
1.8530442826583E+14
Volume
1.0433054944847E+21
Height
9751834.5415417