20797855 is an odd 8-digits composite number following 20797854
and preceding 20797856 . In scientific notation, it is written as 2.0797855 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 15358368 positive integers (up to 20797855) that are relatively prime to 20797855.
20797855 has 8 divisors, whose sum is 26877312
The reverse of 20797855 is 55879702
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million seven hundred ninety-seven thousand eight hundred fifty-five
Scientific notation
2.0797855 × 10^7
Engineering notation
2.0797855 × 10^6
Prime Factorization
5 × 13 × 319967
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20797855
Product of the distinct prime numbers
The prime factorization of 20797855 is 5 × 13 × 319967.
Since it has a total of 3 prime factors.
4 , 6 , 89 , 43 , 298 , 765 , 3512 , 6498 , 31018 , 95759 , 914704 , 437531 , 9069206 , 5814901 , 5115985 , 53676461 , 398063561 , 520587483 , 2676696208 , 9025235341
n×2
41595710
n×3
62393565
n×4
83191420
n×5
103989275
n÷2
10398927.5
n÷3
6932618.3333333
n÷3
5199463.75
n÷5
4159571
n2
432550772601025
n3
8.9961282486941E+21
n4
1.8710017087774E+29
n5
3.8912822243905E+36
2 √n
4560.4665331521
3 √n
275.00431949138
4 √n
67.53122635605
5 √n
29.080623197052
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
-20797854
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 20797855 can be divided by 8 positive divisors.
The sum of these divisors (counting 20797855) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010101100110011111
3
Ternary
1110010122021221
4
Quaternary
1033111212133
5
Quinary
20311012410
6
Senary
2021434211
8
Octal
117254637
10
Decimal
20797855
12
Duodecimal
6b6b967
16
Hexadecimal
13d599f
20
Vigesimal
69jecf
36
Base36
cdrq7
md5
5f5f344c87ea44ee723d0904baab88c9
sha1
8b4f6733e1b62871b52ebcd5205c45a2fa4a4a4e
sha256
92c7e323ee32371e08fd96196565def42dd908622ba2a7020cf3559081992e75
sha512
6c3f032c3858daa1e86826497e1e932abf77eb73943d9ac85e650f44baddd95cd3b6deef26d9f5534a308ea3b6fe3f0f18652214fcf6bfef6a37917a6ac647dc
ripemd-160
07b70b9cfbae60273e9f872723f2d46e1b04a6ea
Diameter
41595710
Circumference
130676776.95685
Area
1.358898329508E+15
Volume
3.7682893889132E+22
Surface area
5.4355933180319E+15
Circumference
130676776.95685
Perimeter
83191420
Area
432550772601025
Diagonal
29412608.609269
Surface area
2595304635606150
Volume
8.9961282486941E+21
Space diagonal
36022941.54845
Perimeter
62393565
Area
1.8729997874954E+14
Altitude
18011470.774225
Surface area
1.8729997874954E+14
Volume
1.0602038815126E+21
Height
9804202.8697564