20804539 is an odd 8-digits composite number following 20804538
and preceding 20804540 . In scientific notation, it is written as 2.0804539 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 17797416 positive integers (up to 20804539) that are relatively prime to 20804539.
20804539 has 8 divisors, whose sum is 23823360
The reverse of 20804539 is 93540802
Previous prime number is 563
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million eight hundred four thousand five hundred thirty-nine
Scientific notation
2.0804539 × 10^7
Engineering notation
2.0804539 × 10^6
Prime Factorization
7 × 563 × 5279
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20804539
Product of the distinct prime numbers
The prime factorization of 20804539 is 7 × 563 × 5279.
Since it has a total of 3 prime factors.
4 , 6 , 83 , 81 , 606 , 383 , 8074 , 2707 , 59070 , 13313 , 307328 , 343135 , 707142 , 5240002 , 64771213 , 35113697 , 690712139 , 912969917 , 4376077359 , 4067743516
n×2
41609078
n×3
62413617
n×4
83218156
n×5
104022695
n÷2
10402269.5
n÷3
6934846.3333333
n÷3
5201134.75
n÷5
4160907.8
n2
432828843002521
n3
9.0048045445708E+21
n4
1.873408073349E+29
n5
3.8975391324904E+36
2 √n
4561.1992940454
3 √n
275.03377656751
4 √n
67.53665148677
5 √n
29.082492138854
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
-20804538
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 20804539 can be divided by 8 positive divisors.
The sum of these divisors (counting 20804539) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010111001110111011
3
Ternary
1110010222110111
4
Quaternary
1033113032323
5
Quinary
20311221124
6
Senary
2021525151
8
Octal
117271673
10
Decimal
20804539
12
Duodecimal
6b737b7
16
Hexadecimal
13d73bb
20
Vigesimal
6a0b6j
36
Base36
cdwvv
md5
1744f791ff074e8ffc3931a45f4b740d
sha1
abadc166a4dc402a5a053f28bcafb46c38162c36
sha256
57dc9f2729c0ccea1715084b39030867e3a35f17d5972725f070b244311285fd
sha512
c8d1a609b066e0fe87c3f2df85fba5ab1e2a25f1fa92402a12b63f4d1de26cf66766c997f4a47752a9616478a5e5e93719a397ba80bea0f341f43bf67d97ac84
ripemd-160
14b4f2dd69b4d3bcb72ced3064f8a0aa522f6d3b
Diameter
41609078
Circumference
130718773.76744
Area
1.3597719134385E+15
Volume
3.7719237072314E+22
Surface area
5.439087653754E+15
Circumference
130718773.76744
Perimeter
83218156
Area
432828843002521
Diagonal
29422061.21272
Surface area
2596973058015126
Volume
9.0048045445708E+21
Space diagonal
36034518.576048
Perimeter
62413617
Area
1.874203867654E+14
Altitude
18017259.288024
Surface area
1.874203867654E+14
Volume
1.0612263927876E+21
Height
9807353.7375733