20688755 is an odd 8-digits composite number following 20688754
and preceding 20688756 . In scientific notation, it is written as 2.0688755 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 16551000 positive integers (up to 20688755) that are relatively prime to 20688755.
20688755 has 4 divisors, whose sum is 24826512
The reverse of 20688755 is 55788602
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million six hundred eighty-eight thousand seven hundred fifty-five
Scientific notation
2.0688755 × 10^7
Engineering notation
2.0688755 × 10^6
Prime Factorization
5 × 4137751
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20688755
Product of the distinct prime numbers
The prime factorization of 20688755 is 5 × 4137751.
Since it has a total of 2 prime factors.
6 , 2 , 90 , 38 , 603 , 402 , 572 , 6428 , 29930 , 39945 , 816876 , 466133 , 3743977 , 8409830 , 5158181 , 72372928 , 370515268 , 184473883 , 7896603127 , 8145379538
n×2
41377510
n×3
62066265
n×4
82755020
n×5
103443775
n÷2
10344377.5
n÷3
6896251.6666667
n÷3
5172188.75
n÷5
4137751
n2
428024583450025
n3
8.8552957409746E+21
n4
1.8320504403757E+29
n5
3.7902842708574E+36
2 √n
4548.48930965
3 √n
274.52260976358
4 √n
67.442488904621
5 √n
29.050049137678
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
-20688754
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 20688755 can be divided by 4 positive divisors.
The sum of these divisors (counting 20688755) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110111010111101110011
3
Ternary
1102221002122012
4
Quaternary
1032322331303
5
Quinary
20244020010
6
Senary
2015233135
8
Octal
116727563
10
Decimal
20688755
12
Duodecimal
6b187ab
16
Hexadecimal
13baf73
20
Vigesimal
6961hf
36
Base36
cbfjn
md5
176075ea9f2db065bd0f585d85a937ab
sha1
0a49c16e4028642b2332701b6a431fd0737e443b
sha256
35c2396371cbb93db067e71cc0d25a18630068634c06d1bca392152562d10028
sha512
df467b0ed03a4d73b35a868a38aa1423d1ae08ca659c5dca54723e20ee603d8291cf7a7fb54017478fa36bd897c30b7ef27f3c3b42f7fb63a322710c9f9bbb3f
ripemd-160
7e6c31dcff8e8697763486eb7ac1785d121167f7
Diameter
41377510
Circumference
129991281.43984
Area
1.3446788869224E+15
Volume
3.7092976060281E+22
Surface area
5.3787155476897E+15
Circumference
129991281.43984
Perimeter
82755020
Area
428024583450025
Diagonal
29258317.909614
Surface area
2568147500700150
Volume
8.8552957409746E+21
Space diagonal
35833974.805345
Perimeter
62066265
Area
1.8534008135599E+14
Altitude
17916987.402672
Surface area
1.8534008135599E+14
Volume
1.0436066113093E+21
Height
9752772.6365381