20688775 is an odd 8-digits composite number following 20688774
and preceding 20688776 . In scientific notation, it is written as 2.0688775 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 16446240 positive integers (up to 20688775) that are relatively prime to 20688775.
20688775 has 12 divisors, whose sum is 25816552
The reverse of 20688775 is 57788602
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million six hundred eighty-eight thousand seven hundred seventy-five
Scientific notation
2.0688775 × 10^7
Engineering notation
2.0688775 × 10^6
Prime Factorization
5 × 5 × 163 × 5077
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4137755
Product of the distinct prime numbers
The prime factorization of 20688775 is 5 × 5 × 163 × 5077.
Since it has a total of 4 prime factors.
7 , 1 , 39 , 65 , 769 , 190 , 4630 , 9526 , 52209 , 40632 , 140595 , 303374 , 4592582 , 751607 , 30033888 , 25653721 , 54327922 , 193943170 , 7832552021 , 6389618332
n×2
41377550
n×3
62066325
n×4
82755100
n×5
103443875
n÷2
10344387.5
n÷3
6896258.3333333
n÷3
5172193.75
n÷5
4137755
n2
428025411000625
n3
8.8553214224745E+21
n4
1.8320575246225E+29
n5
3.7903025913973E+36
2 √n
4548.4915081816
3 √n
274.52269822468
4 √n
67.442505203926
5 √n
29.050054754263
1 , 5 , 25 , 163 , 815 , 4075 , 5077 , 25385 , 126925 , 827551 , 4137755 , 20688775
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20688774
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20688775 can be divided by 12 positive divisors.
The sum of these divisors (counting 20688775) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110111010111110000111
3
Ternary
1102221002122221
4
Quaternary
1032322332013
5
Quinary
20244020100
6
Senary
2015233211
8
Octal
116727607
10
Decimal
20688775
12
Duodecimal
6b18807
16
Hexadecimal
13baf87
20
Vigesimal
6961if
36
Base36
cbfk7
md5
adce9b70c7cbc8e4cd878cacbb861938
sha1
c388319cf15245df5d4ecab491eda77a1f0e980d
sha256
dfb02947b8ae0edf31c02fc9d7a2bc152fdf0c9c179084977c0f38178079741a
sha512
4f0b8bdd57876cc9552886e354a73659089006cf420df161b1701b75239af39d6302fb052985b097955bbbeea238df2a93512a93eeb7484f656fbfc5fda946d2
ripemd-160
fb1cd15e91fcaacdede54a8be4dfe29a66e69adc
Diameter
41377550
Circumference
129991407.10354
Area
1.3446814867493E+15
Volume
3.7093083634696E+22
Surface area
5.3787259469973E+15
Circumference
129991407.10354
Perimeter
82755100
Area
428025411000625
Diagonal
29258346.193885
Surface area
2568152466003750
Volume
8.8553214224745E+21
Space diagonal
35834009.446361
Perimeter
62066325
Area
1.8534043969591E+14
Altitude
17917004.72318
Surface area
1.8534043969591E+14
Volume
1.043609637903E+21
Height
9752782.0646285