20789855 is an odd 8-digits composite number following 20789854
and preceding 20789856 . In scientific notation, it is written as 2.0789855 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 16244928 positive integers (up to 20789855) that are relatively prime to 20789855.
20789855 has 8 divisors, whose sum is 25528272
The reverse of 20789855 is 55898702
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty million seven hundred eighty-nine thousand eight hundred fifty-five
Scientific notation
2.0789855 × 10^7
Engineering notation
2.0789855 × 10^6
Prime Factorization
5 × 43 × 96697
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20789855
Product of the distinct prime numbers
The prime factorization of 20789855 is 5 × 43 × 96697.
Since it has a total of 3 prime factors.
3 , 1 , 12 , 37 , 122 , 332 , 3272 , 2126 , 94514 , 98885 , 8758 , 925970 , 8509821 , 9226691 , 15234528 , 96180508 , 831421757 , 195075136 , 5203069772 , 2695010267
n×2
41579710
n×3
62369565
n×4
83159420
n×5
103949275
n÷2
10394927.5
n÷3
6929951.6666667
n÷3
5197463.75
n÷5
4157971
n2
432218070921025
n3
8.9857510228278E+21
n4
1.8681246083069E+29
n5
3.8838039728633E+36
2 √n
4559.5893455442
3 √n
274.96905436907
4 √n
67.524731362251
5 √n
29.078385651025
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20789854
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20789855 can be divided by 8 positive divisors.
The sum of these divisors (counting 20789855) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010011101001011111
3
Ternary
1110010020022122
4
Quaternary
1033103221133
5
Quinary
20310233410
6
Senary
2021333155
8
Octal
117235137
10
Decimal
20789855
12
Duodecimal
6b671bb
16
Hexadecimal
13d3a5f
20
Vigesimal
69iecf
36
Base36
cdljz
md5
f70c27d5c134c3af9e8c92e2aad17a5c
sha1
d9084324f5b9816ce7e0a98e17056bd8bb8a23ab
sha256
7afe5b0de041252fb635fa2d3549d31dfb62f8a59948255f3b0c22871548d877
sha512
1e076a0a8cf636e9a6b61697250d6283f0c5cf7222c96bfcfee7bdab003e383eb262c26458eb049c6d0f408f7cd037617c12fda28b74a59ab78269c09bf4ac70
ripemd-160
4d78e112e431ab0a4a95a31e205f7c0acbdae2b6
Diameter
41579710
Circumference
130626511.47439
Area
1.3578531163542E+15
Volume
3.763942586707E+22
Surface area
5.431412465417E+15
Circumference
130626511.47439
Perimeter
83159420
Area
432218070921025
Diagonal
29401294.90077
Surface area
2593308425526150
Volume
8.9857510228278E+21
Space diagonal
36009085.14199
Perimeter
62369565
Area
1.8715591469616E+14
Altitude
18004542.570995
Surface area
1.8715591469616E+14
Volume
1.0589809137159E+21
Height
9800431.63359