20790865 is an odd 8-digits composite number following 20790864
and preceding 20790866 . In scientific notation, it is written as 2.0790865 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 16632688 positive integers (up to 20790865) that are relatively prime to 20790865.
20790865 has 4 divisors, whose sum is 24949044
The reverse of 20790865 is 56809702
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million seven hundred ninety thousand eight hundred sixty-five
Scientific notation
2.0790865 × 10^7
Engineering notation
2.0790865 × 10^6
Prime Factorization
5 × 4158173
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20790865
Product of the distinct prime numbers
The prime factorization of 20790865 is 5 × 4158173.
Since it has a total of 2 prime factors.
9 , 8 , 39 , 49 , 692 , 551 , 4959 , 8616 , 4922 , 75877 , 718999 , 132127 , 6047109 , 144307 , 12180946 , 69650735 , 593822140 , 242203876 , 7147472391 , 4624196647
n×2
41581730
n×3
62372595
n×4
83163460
n×5
103954325
n÷2
10395432.5
n÷3
6930288.3333333
n÷3
5197716.25
n÷5
4158173
n2
432260067448225
n3
8.9870607072069E+21
n4
1.8684876591034E+29
n5
3.8847474674586E+36
2 √n
4559.7000997873
3 √n
274.97350708968
4 √n
67.525551458594
5 √n
29.078668179199
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20790864
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20790865 can be divided by 4 positive divisors.
The sum of these divisors (counting 20790865) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010011111001010001
3
Ternary
1110010021201001
4
Quaternary
1033103321101
5
Quinary
20310301430
6
Senary
2021342001
8
Octal
117237121
10
Decimal
20790865
12
Duodecimal
6b67901
16
Hexadecimal
13d3e51
20
Vigesimal
69ih35
36
Base36
cdmc1
md5
202371d2a93d660e6f6d133a154c6c37
sha1
d2d4ba4b92690a1d4b2956634b2c22ab9acefd62
sha256
a5cb184512d8b27133934b41b5d3e7db4f91309cb03b2c691ba769386b9b78cf
sha512
b9f492c704e114b8924682dbde307eeb548bd8a67136966ddcfa5e0798535be2069475efd59eceeafbe1563a887d34322aa9f0c28d096f8bb48fb64f934303d5
ripemd-160
a465c2f74d6d0db32df7e74ea9e405e344836b8c
Diameter
41581730
Circumference
130632857.49155
Area
1.3579850523356E+15
Volume
3.7644911860169E+22
Surface area
5.4319402093423E+15
Circumference
130632857.49155
Perimeter
83163460
Area
432260067448225
Diagonal
29402723.256468
Surface area
2593560404689350
Volume
8.9870607072069E+21
Space diagonal
36010834.513306
Perimeter
62372595
Area
1.8717409972587E+14
Altitude
18005417.256653
Surface area
1.8717409972587E+14
Volume
1.0591352615002E+21
Height
9800907.752156