20804782 is an even 8-digits composite number following 20804781
and preceding 20804783 . In scientific notation, it is written as 2.0804782 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 9900000 positive integers (up to 20804782) that are relatively prime to 20804782.
20804782 has 16 divisors, whose sum is 32747904
The reverse of 20804782 is 28740802
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million eight hundred four thousand seven hundred eighty-two
Scientific notation
2.0804782 × 10^7
Engineering notation
2.0804782 × 10^6
Prime Factorization
2 × 31 × 61 × 5501
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20804782
Product of the distinct prime numbers
The prime factorization of 20804782 is 2 × 31 × 61 × 5501.
Since it has a total of 4 prime factors.
7 , 9 , 41 , 7 , 756 , 596 , 7531 , 551 , 94407 , 8317 , 546635 , 36080 , 5471182 , 520673 , 51858345 , 47803123 , 455046911 , 265252577 , 1888466926 , 3915350150
n×2
41609564
n×3
62414346
n×4
83219128
n×5
104023910
n÷2
10402391
n÷3
6934927.3333333
n÷3
5201195.5
n÷5
4160956.4
n2
432838954067524
n3
9.0051200804829E+21
n4
1.8734956015827E+29
n5
3.8977667568887E+36
2 √n
4561.2259316986
3 √n
275.03484737467
4 √n
67.53684869535
5 √n
29.082560076073
1 , 2 , 31 , 61 , 62 , 122 , 1891 , 3782 , 5501 , 11002 , 170531 , 335561 , 341062 , 671122 , 10402391 , 20804782
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
-20804781
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 20804782 can be divided by 16 positive divisors.
The sum of these divisors (counting 20804782) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010111010010101110
3
Ternary
1110010222210111
4
Quaternary
1033113102232
5
Quinary
20311223112
6
Senary
2021530234
8
Octal
117272256
10
Decimal
20804782
12
Duodecimal
6b7397a
16
Hexadecimal
13d74ae
20
Vigesimal
6a0bj2
36
Base36
cdx2m
md5
8f9668a9b6f116bfba77a99f22052364
sha1
7d02a4df685ebe81398fede8dbee278cece7b53b
sha256
0488de4a6c1dc76d7d2c04466d6f46a3240e69fdf7a84df899294155cb944193
sha512
7c0232e4f4d4c06580788ab0cb12549919fd8c5baf5af3c8421ea0d669721cfa732c326707a96429d7bf92babf6525a99201ed0c91594f962c3551bdf5609394
ripemd-160
510734a06f79c32f02eca5e1f8404cb7ed042898
Diameter
41609564
Circumference
130720300.58147
Area
1.359803678286E+15
Volume
3.7720558786052E+22
Surface area
5.4392147131441E+15
Circumference
130720300.58147
Perimeter
83219128
Area
432838954067524
Diagonal
29422404.866616
Surface area
2597033724405144
Volume
9.0051200804829E+21
Space diagonal
36034939.464394
Perimeter
62414346
Area
1.8742476498498E+14
Altitude
18017469.732197
Surface area
1.8742476498498E+14
Volume
1.0612635790514E+21
Height
9807468.2888719