20798865 is an odd 8-digits composite number following 20798864
and preceding 20798866 . In scientific notation, it is written as 2.0798865 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 10909440 positive integers (up to 20798865) that are relatively prime to 20798865.
20798865 has 24 divisors, whose sum is 36647208
The reverse of 20798865 is 56889702
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty million seven hundred ninety-eight thousand eight hundred sixty-five
Scientific notation
2.0798865 × 10^7
Engineering notation
2.0798865 × 10^6
Prime Factorization
3 × 3 × 5 × 61 × 7577
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6932955
Product of the distinct prime numbers
The prime factorization of 20798865 is 3 × 3 × 5 × 61 × 7577.
Since it has a total of 5 prime factors.
7 , 7 , 30 , 3 , 28 , 827 , 2140 , 611 , 12704 , 3245 , 948930 , 785565 , 1438657 , 8409569 , 8810924 , 83364951 , 135180702 , 389431256 , 8901759190 , 2344614489
n×2
41597730
n×3
62396595
n×4
83195460
n×5
103994325
n÷2
10399432.5
n÷3
6932955
n÷3
5199716.25
n÷5
4159773
n2
432592785288225
n3
8.9974389411838E+21
n4
1.8713651788342E+29
n5
3.8922271720274E+36
2 √n
4560.5772660925
3 √n
275.00877107011
4 √n
67.532046215797
5 √n
29.080905638283
1 , 3 , 5 , 9 , 15 , 45 , 61 , 183 , 305 , 549 , 915 , 2745 , 7577 , 22731 , 37885 , 68193 , 113655 , 340965 , 462197 , 1386591 , 2310985 , 4159773 , 6932955 , 20798865
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20798864
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20798865 can be divided by 24 positive divisors.
The sum of these divisors (counting 20798865) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111010101110110010001
3
Ternary
1110010200200100
4
Quaternary
1033111312101
5
Quinary
20311030430
6
Senary
2021443013
8
Octal
117256621
10
Decimal
20798865
12
Duodecimal
6b70469
16
Hexadecimal
13d5d91
20
Vigesimal
69jh35
36
Base36
cdsi9
md5
6c203c90273d5883438ef791678269e8
sha1
4d2030a4b4234f7414a90aa28a029708309d4b08
sha256
5deae4e62670265034f57bbaea5db54989d8a0d13d02b30fb295727ec4d91347
sha512
6a9d5d46656c51ccd622acddfe5f1d3f664e8149dfdc2f8bc2597dd6899d0d1efa2e273accbe282c583187f3719a0a35e2c8c1b6b1e2392a9c0e4b2b7a052866
ripemd-160
b37f361e668584a25d14acf0ceeb90b2ff55af3e
Diameter
41597730
Circumference
130683122.97401
Area
1.3590303162574E+15
Volume
3.7688384104994E+22
Surface area
5.4361212650297E+15
Circumference
130683122.97401
Perimeter
83195460
Area
432592785288225
Diagonal
29414036.964967
Surface area
2595556711729350
Volume
8.9974389411838E+21
Space diagonal
36024690.919766
Perimeter
62396595
Area
1.8731817077674E+14
Altitude
18012345.459883
Surface area
1.8731817077674E+14
Volume
1.0603583481038E+21
Height
9804678.9883224