20804540 is an even 8-digits composite number following 20804539
and preceding 20804541 . In scientific notation, it is written as 2.0804540 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 8321808 positive integers (up to 20804540) that are relatively prime to 20804540.
20804540 has 12 divisors, whose sum is 43689576
The reverse of 20804540 is 04540802
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million eight hundred four thousand five hundred forty
Scientific notation
2.0804540 × 10^7
Engineering notation
2.0804540 × 10^6
Prime Factorization
2 × 2 × 5 × 1040227
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10402270
Product of the distinct prime numbers
The prime factorization of 20804540 is 2 × 2 × 5 × 1040227.
Since it has a total of 4 prime factors.
1 , 5 , 49 , 26 , 152 , 501 , 8374 , 6122 , 56380 , 31894 , 863796 , 202364 , 5735723 , 5553303 , 34280635 , 52790662 , 595036089 , 508206135 , 1153948462 , 7936275351
n×2
41609080
n×3
62413620
n×4
83218160
n×5
104022700
n÷2
10402270
n÷3
6934846.6666667
n÷3
5201135
n÷5
4160908
n2
432828884611600
n3
9.0048058430574E+21
n4
1.8734084335412E+29
n5
3.8975400691946E+36
2 √n
4561.1994036657
3 √n
275.03378097415
4 √n
67.536652298331
5 √n
29.082492418432
1 , 2 , 4 , 5 , 10 , 20 , 1040227 , 2080454 , 4160908 , 5201135 , 10402270 , 20804540
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20804539
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20804540 can be divided by 12 positive divisors.
The sum of these divisors (counting 20804540) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111010111001110111100
3
Ternary
1110010222110112
4
Quaternary
1033113032330
5
Quinary
20311221130
6
Senary
2021525152
8
Octal
117271674
10
Decimal
20804540
12
Duodecimal
6b737b8
16
Hexadecimal
13d73bc
20
Vigesimal
6a0b70
36
Base36
cdwvw
md5
dc4de063d2b4baad988f241455f485a4
sha1
e5939b05534442191c5291f64e66888fc861eaf7
sha256
b62a0e0bebffc3ee126f9b710cfb6e02fddb507486cea229431a432fb45bf5fb
sha512
fb1b5318e9d9a98507ea1af8607e6322472832cc90357a02947b3092fa9f9656392b7c59f8118edc9975b35a0f6b827631f75dca60456cb27bf7eea3c7003782
ripemd-160
367737687aa6a8b6dc1986cdf36394af29ea4fe9
Diameter
41609080
Circumference
130718780.05063
Area
1.3597720441573E+15
Volume
3.7719242511402E+22
Surface area
5.4390881766291E+15
Circumference
130718780.05063
Perimeter
83218160
Area
432828884611600
Diagonal
29422062.626934
Surface area
2596973307669600
Volume
9.0048058430574E+21
Space diagonal
36034520.308099
Perimeter
62413620
Area
1.8742040478266E+14
Altitude
18017260.15405
Surface area
1.8742040478266E+14
Volume
1.0612265458157E+21
Height
9807354.2089779