20404845 is an odd 8-digits composite number following 20404844
and preceding 20404846 . In scientific notation, it is written as 2.0404845 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 10222848 positive integers (up to 20404845) that are relatively prime to 20404845.
20404845 has 12 divisors, whose sum is 28902208
The reverse of 20404845 is 54840402
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million four hundred four thousand eight hundred forty-five
Scientific notation
2.0404845 × 10^7
Engineering notation
2.0404845 × 10^6
Prime Factorization
23535 × 3 × 17 × 17
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1200285
Product of the distinct prime numbers
The prime factorization of 20404845 is 23535 × 3 × 17 × 17.
Since it has a total of 4 prime factors.
2 , 8 , 57 , 62 , 221 , 842 , 5508 , 8412 , 88917 , 86468 , 967878 , 624928 , 5400496 , 8408317 , 14058463 , 90209841 , 984923622 , 82816153 , 5551939227 , 7252683150
n×2
40809690
n×3
61214535
n×4
81619380
n×5
102024225
n÷2
10202422.5
n÷3
6801615
n÷3
5101211.25
n÷5
4080969
n2
416357699474025
n3
8.4957143223241E+21
n4
1.733537339113E+29
n5
3.5372560706314E+36
2 √n
4517.1722349275
3 √n
273.26107135298
4 √n
67.209911731288
5 √n
28.969877582943
1 , 3 , 17 , 51 , 289 , 867 , 23535 , 70605 , 400095 , 1200285 , 6801615 , 20404845
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
-20404844
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 20404845 can be divided by 12 positive divisors.
The sum of these divisors (counting 20404845) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101110101101001101101
3
Ternary
1102101200012000
4
Quaternary
1031311221231
5
Quinary
20210423340
6
Senary
2005202513
8
Octal
115655155
10
Decimal
20404845
12
Duodecimal
6a00439
16
Hexadecimal
1375a6d
20
Vigesimal
67ac25
36
Base36
c5ch9
md5
0446b0ed5177c03abd79d2ad85fe5d29
sha1
1d2abf058f7a466fc8c1736183d3ff0ac8ab217d
sha256
2bc0282f487e9e0af7689c43d24121f708ce91071ffa97108637e2b63a9625e9
sha512
c0232452cdc11ab611871d4bd2c777b3e343e1b9a97e0f067e87cc94b60e7bb1d8ef9e8d5b6f4a81bbcddb1c0357a6bcdf7d04616a7bd69e062dce343bdfce81
ripemd-160
5a8c51bfcf91c0c0eeff8ea79878434299f2685f
Diameter
40809690
Circumference
128207422.29928
Area
1.3080262899331E+15
Volume
3.5586764936014E+22
Surface area
5.2321051597326E+15
Circumference
128207422.29928
Perimeter
81619380
Area
416357699474025
Diagonal
28856808.537121
Surface area
2498146196844150
Volume
8.4957143223241E+21
Space diagonal
35342228.260568
Perimeter
61214535
Area
1.8028817240288E+14
Altitude
17671114.130284
Surface area
1.8028817240288E+14
Volume
1.0012295347232E+21
Height
9618936.1790403