20820439 is an odd 8-digits composite number following 20820438
and preceding 20820440 . In scientific notation, it is written as 2.0820439 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 20801200 positive integers (up to 20820439) that are relatively prime to 20820439.
20820439 has 4 divisors, whose sum is 20839680
The reverse of 20820439 is 93402802
Previous prime number is 1151
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million eight hundred twenty thousand four hundred thirty-nine
Scientific notation
2.0820439 × 10^7
Engineering notation
2.0820439 × 10^6
Prime Factorization
1151 × 18089
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20820439
Product of the distinct prime numbers
The prime factorization of 20820439 is 1151 × 18089.
Since it has a total of 2 prime factors.
1 , 8 , 53 , 28 , 964 , 908 , 8801 , 5889 , 1522 , 21348 , 307165 , 863659 , 3263520 , 3781777 , 96283966 , 19783062 , 892639488 , 416955616 , 9598886982 , 1262764582
n×2
41640878
n×3
62461317
n×4
83281756
n×5
104102195
n÷2
10410219.5
n÷3
6940146.3333333
n÷3
5205109.75
n÷5
4164087.8
n2
433490680152721
n3
9.0254662631882E+21
n4
1.8791416977927E+29
n5
3.9124555091249E+36
2 √n
4562.9419238031
3 √n
275.10382415793
4 √n
67.549551618076
5 √n
29.086936076106
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
-20820438
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 20820439 can be divided by 4 positive divisors.
The sum of these divisors (counting 20820439) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111011011000111010111
3
Ternary
1110011210021101
4
Quaternary
1033123013113
5
Quinary
20312223224
6
Senary
2022130531
8
Octal
117330727
10
Decimal
20820439
12
Duodecimal
6b80a47
16
Hexadecimal
13db1d7
20
Vigesimal
6a2b1j
36
Base36
ce95j
md5
354ad8d8bd18c40ff8baf444638c1d1f
sha1
9498f3ac075e2a7d6a7aba1fb7a79809f9bd0ae4
sha256
45da78eab5cda4badd091e7ccf3bd488efea1f716c3be3d284533e2ad576ed7f
sha512
8716c519a8678ea522d6ce3b8cf9b573fc5696f2cd83dc33e67d5caa779a213728aa14808ac419c99372029caa92d1cb16789fa790c450213d531aa59db1feb2
ripemd-160
6b51050f17f07e910ec4bb5f0e40be9c132054b7
Diameter
41640878
Circumference
130818676.41383
Area
1.3618511361674E+15
Volume
3.7805784676873E+22
Surface area
5.4474045446697E+15
Circumference
130818676.41383
Perimeter
83281756
Area
433490680152721
Diagonal
29444547.208362
Surface area
2600944080916326
Volume
9.0254662631882E+21
Space diagonal
36062058.183889
Perimeter
62461317
Area
1.8770697065803E+14
Altitude
18031029.091944
Surface area
1.8770697065803E+14
Volume
1.0636613996785E+21
Height
9814849.0694539