20789745 is an odd 8-digits composite number following 20789744
and preceding 20789746 . In scientific notation, it is written as 2.0789745 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 10545408 positive integers (up to 20789745) that are relatively prime to 20789745.
20789745 has 32 divisors, whose sum is 34933248
The reverse of 20789745 is 54798702
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million seven hundred eighty-nine thousand seven hundred forty-five
Scientific notation
2.0789745 × 10^7
Engineering notation
2.0789745 × 10^6
Prime Factorization
5 × 3 × 37 × 47 × 797
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20789745
Product of the distinct prime numbers
The prime factorization of 20789745 is 5 × 3 × 37 × 47 × 797.
Since it has a total of 5 prime factors.
10 , 2 , 89 , 41 , 492 , 307 , 4077 , 1855 , 38212 , 33476 , 841759 , 517423 , 7084748 , 6869098 , 78605061 , 75427795 , 428868809 , 215356890 , 3814318799 , 85531850
n×2
41579490
n×3
62369235
n×4
83158980
n×5
103948725
n÷2
10394872.5
n÷3
6929915
n÷3
5197436.25
n÷5
4157949
n2
432213497165025
n3
8.9856083916191E+21
n4
1.8680850713162E+29
n5
3.8837012270971E+36
2 √n
4559.5772830384
3 √n
274.96856941059
4 √n
67.524642043023
5 √n
29.078354879967
1 , 3 , 5 , 15 , 37 , 47 , 111 , 141 , 185 , 235 , 555 , 705 , 797 , 1739 , 2391 , 3985 , 5217 , 8695 , 11955 , 26085 , 29489 , 37459 , 88467 , 112377 , 147445 , 187295 , 442335 , 561885 , 1385983 , 4157949 , 6929915 , 20789745
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20789744
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20789745 can be divided by 32 positive divisors.
The sum of these divisors (counting 20789745) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111010011100111110001
3
Ternary
1110010020011120
4
Quaternary
1033103213301
5
Quinary
20310232440
6
Senary
2021332453
8
Octal
117234761
10
Decimal
20789745
12
Duodecimal
6b67129
16
Hexadecimal
13d39f1
20
Vigesimal
69ie75
36
Base36
cdlgx
md5
9a02542c278a6d7cbce20200c8ab6d7d
sha1
dc160d648934976dac89bbb9b568dc921563df41
sha256
76d3d1a250d523b3a28f90a954ac636b190294e6122a43b80bd40ce98cb028a4
sha512
769ff0430f49bf495acb60830075752c5c2e6f80b7f8556ae40349a75605d1a9fb1182b268c1c3817520c8dc64f6b4e82b3fef539f6585296be7d0c72b696d73
ripemd-160
7dfcb95ae9f29093f65df2a0cff6b8e3661af10e
Diameter
41579490
Circumference
130625820.32401
Area
1.357838747476E+15
Volume
3.763882841486E+22
Surface area
5.431354989904E+15
Circumference
130625820.32401
Perimeter
83158980
Area
432213497165025
Diagonal
29401139.337278
Surface area
2593280982990150
Volume
8.9856083916191E+21
Space diagonal
36008894.616401
Perimeter
62369235
Area
1.8715393420171E+14
Altitude
18004447.308201
Surface area
1.8715393420171E+14
Volume
1.0589641044668E+21
Height
9800379.7790927