20790855 is an odd 8-digits composite number following 20790854
and preceding 20790856 . In scientific notation, it is written as 2.0790855 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 10787904 positive integers (up to 20790855) that are relatively prime to 20790855.
20790855 has 16 divisors, whose sum is 30370816
The reverse of 20790855 is 55809702
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million seven hundred ninety thousand eight hundred fifty-five
Scientific notation
2.0790855 × 10^7
Engineering notation
2.0790855 × 10^6
Prime Factorization
15 × 3 × 37 × 12487
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20790855
Product of the distinct prime numbers
The prime factorization of 20790855 is 15 × 3 × 37 × 12487.
Since it has a total of 4 prime factors.
9 , 10 , 20 , 68 , 913 , 932 , 3160 , 6019 , 64230 , 22073 , 969913 , 76109 , 1497578 , 942696 , 84228278 , 55673036 , 879113153 , 58439003 , 2688251386 , 5903622892
n×2
41581710
n×3
62372565
n×4
83163420
n×5
103954275
n÷2
10395427.5
n÷3
6930285
n÷3
5197713.75
n÷5
4158171
n2
432259651631025
n3
8.9870477394112E+21
n4
1.8684840642818E+29
n5
3.8847381250293E+36
2 √n
4559.6990032238
3 √n
274.97346300405
4 √n
67.525543338975
5 √n
29.078665381944
1 , 3 , 15 , 37 , 45 , 111 , 555 , 1665 , 12487 , 37461 , 187305 , 462019 , 561915 , 1386057 , 6930285 , 20790855
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20790854
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20790855 can be divided by 16 positive divisors.
The sum of these divisors (counting 20790855) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010011111001000111
3
Ternary
1110010021200200
4
Quaternary
1033103321013
5
Quinary
20310301410
6
Senary
2021341543
8
Octal
117237107
10
Decimal
20790855
12
Duodecimal
6b678b3
16
Hexadecimal
13d3e47
20
Vigesimal
69ih2f
36
Base36
cdmbr
md5
9cf2cd4b1119f7421477d6b1840b245a
sha1
6e7b0a360e366ac38573dffd6ea15fabd7924aac
sha256
82cb136ea7992ff9d3349e54977b0e54caa32090286a7c482e6a019af5aa2723
sha512
62e50b3cbed3fa5bd0960a556824d9a1a7d08ca60f7dd63c15c477ca33c851455f491fd98d96f96cf19c62bef8e76f49d437a3db28a6818dac58c540b9c5ea0d
ripemd-160
e8c1100e8f01826f1c2cd8076b45f61024f7d95b
Diameter
41581710
Circumference
130632794.6597
Area
1.3579837460073E+15
Volume
3.7644857540793E+22
Surface area
5.4319349840292E+15
Circumference
130632794.6597
Perimeter
83163420
Area
432259651631025
Diagonal
29402709.114332
Surface area
2593557909786150
Volume
8.9870477394112E+21
Space diagonal
36010817.192797
Perimeter
62372565
Area
1.8717391967174E+14
Altitude
18005408.596399
Surface area
1.8717391967174E+14
Volume
1.0591337332308E+21
Height
9800903.0381108