20804790 is an even 8-digits composite number following 20804789
and preceding 20804791 . In scientific notation, it is written as 2.0804790 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 5547936 positive integers (up to 20804790) that are relatively prime to 20804790.
20804790 has 16 divisors, whose sum is 49931568
The reverse of 20804790 is 09740802
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million eight hundred four thousand seven hundred ninety
Scientific notation
2.0804790 × 10^7
Engineering notation
2.0804790 × 10^6
Prime Factorization
2 × 5 × 3 × 693493
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20804790
Product of the distinct prime numbers
The prime factorization of 20804790 is 2 × 5 × 3 × 693493.
Since it has a total of 4 prime factors.
5 , 2 , 28 , 10 , 123 , 722 , 2823 , 8428 , 26026 , 68223 , 743221 , 121654 , 4742272 , 2276147 , 36851912 , 90354103 , 659201552 , 385817024 , 3663837698 , 7686900762
n×2
41609580
n×3
62414370
n×4
83219160
n×5
104023950
n÷2
10402395
n÷3
6934930
n÷3
5201197.5
n÷5
4160958
n2
432839286944100
n3
9.0051304686217E+21
n4
1.8734984832228E+29
n5
3.8977742508768E+36
2 √n
4561.2268086558
3 √n
275.03488262744
4 √n
67.536855187784
5 √n
29.082562312678
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 693493 , 1386986 , 2080479 , 3467465 , 4160958 , 6934930 , 10402395 , 20804790
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
-20804789
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 20804790 can be divided by 16 positive divisors.
The sum of these divisors (counting 20804790) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010111010010110110
3
Ternary
1110010222210210
4
Quaternary
1033113102312
5
Quinary
20311223130
6
Senary
2021530250
8
Octal
117272266
10
Decimal
20804790
12
Duodecimal
6b73986
16
Hexadecimal
13d74b6
20
Vigesimal
6a0bja
36
Base36
cdx2u
md5
77b6a70e4c71a3799805b89add159389
sha1
dcacb1a79bd2aa9f30879edd936ed9bc422a4d3e
sha256
b6cb6ca2bde641ce766d49181f0d9c71dd0d6372207320303c77fcb20eadf34e
sha512
3cbaccfb088aa432cd3e2d6ee0067b4e51960d0e8ae774f007dfcda7423242fb3a1960b2b5791d1219830b98a3aeb808ac6f6f299bb7364a8b5230d8d53f01e1
ripemd-160
9482defd0712562c8633c678faac2f5c1108fb6c
Diameter
41609580
Circumference
130720350.84696
Area
1.3598047240486E+15
Volume
3.7720602299786E+22
Surface area
5.4392188961945E+15
Circumference
130720350.84696
Perimeter
83219160
Area
432839286944100
Diagonal
29422416.180324
Surface area
2597035721664600
Volume
9.0051304686217E+21
Space diagonal
36034953.320801
Perimeter
62414370
Area
1.8742490912477E+14
Altitude
18017476.6604
Surface area
1.8742490912477E+14
Volume
1.0612648033053E+21
Height
9807472.060108