20780904 is an even 8-digits composite number following 20780903
and preceding 20780905 . In scientific notation, it is written as 2.0780904 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 16 positive divisors.
There are 6926960 positive integers (up to 20780904) that are relatively prime to 20780904.
20780904 has 16 divisors, whose sum is 51952320
The reverse of 20780904 is 40908702
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million seven hundred eighty thousand nine hundred four
Scientific notation
2.0780904 × 10^7
Engineering notation
2.0780904 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 865871
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5195226
Product of the distinct prime numbers
The prime factorization of 20780904 is 2 × 2 × 2 × 3 × 865871.
Since it has a total of 5 prime factors.
5 , 9 , 55 , 79 , 432 , 128 , 7615 , 4711 , 89151 , 73185 , 710392 , 446514 , 9405067 , 1943200 , 33449464 , 31555139 , 802024564 , 889153109 , 1559898909 , 2023882828
n×2
41561808
n×3
62342712
n×4
83123616
n×5
103904520
n÷2
10390452
n÷3
6926968
n÷3
5195226
n÷5
4156180.8
n2
431845971057216
n3
8.9741496673268E+21
n4
1.8649094271835E+29
n5
3.8754503774995E+36
2 √n
4558.6076821767
3 √n
274.92958637988
4 √n
67.517462053728
5 √n
29.075881300065
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 865871 , 1731742 , 2597613 , 3463484 , 5195226 , 6926968 , 10390452 , 20780904
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20780903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20780904 can be divided by 16 positive divisors.
The sum of these divisors (counting 20780904) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010001011101101000
3
Ternary
1110002210001010
4
Quaternary
1033101131220
5
Quinary
20304442104
6
Senary
2021223520
8
Octal
117213550
10
Decimal
20780904
12
Duodecimal
6b61ba0
16
Hexadecimal
13d1768
20
Vigesimal
69hc54
36
Base36
cdenc
md5
94e45ada59e312ee82ce6e96c892daa1
sha1
2b0e84217393c7469d024f4930c97d422db76445
sha256
c02105a0e980975a654eebf04c37dddb9418d6074a9593694de17f14cf92ff8c
sha512
64048f48f5bd211185e2c92ef0aa758d6e4a9611a2a7d4bc9d76578d4b287d5f8b5eb5fd1d7e316295bf5b37acb3292c9bc583e0a01a970dd105d085edc4f245
ripemd-160
6f71f728fca7260daadf19ac1e8780e4b24021d3
Diameter
41561808
Circumference
130570270.68271
Area
1.3566841301557E+15
Volume
3.7590830222785E+22
Surface area
5.4267365206228E+15
Circumference
130570270.68271
Perimeter
83123616
Area
431845971057216
Diagonal
29388636.275173
Surface area
2591075826343296
Volume
8.9741496673268E+21
Space diagonal
35993581.555211
Perimeter
62342712
Area
1.8699479072875E+14
Altitude
17996790.777606
Surface area
1.8699479072875E+14
Volume
1.0576136808583E+21
Height
9796212.0917244