20809743 is an odd 8-digits composite number following 20809742
and preceding 20809744 . In scientific notation, it is written as 2.0809743 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 13767000 positive integers (up to 20809743) that are relatively prime to 20809743.
20809743 has 8 divisors, whose sum is 27958656
The reverse of 20809743 is 34790802
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million eight hundred nine thousand seven hundred forty-three
Scientific notation
2.0809743 × 10^7
Engineering notation
2.0809743 × 10^6
Prime Factorization
3 × 131 × 52951
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20809743
Product of the distinct prime numbers
The prime factorization of 20809743 is 3 × 131 × 52951.
Since it has a total of 3 prime factors.
6 , 6 , 27 , 39 , 156 , 574 , 7210 , 9566 , 17392 , 81778 , 617171 , 857047 , 3344063 , 9560529 , 65180049 , 5238058 , 374773288 , 665611486 , 9378088689 , 7706125903
n×2
41619486
n×3
62429229
n×4
83238972
n×5
104048715
n÷2
10404871.5
n÷3
6936581
n÷3
5202435.75
n÷5
4161948.6
n2
433045403726049
n3
9.0115635588703E+21
n4
1.8752832168826E+29
n5
3.9024161795539E+36
2 √n
4561.7697223775
3 √n
275.0567067632
4 √n
67.540874456713
5 √n
29.083946918972
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20809742
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20809743 can be divided by 8 positive divisors.
The sum of these divisors (counting 20809743) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111011000100000001111
3
Ternary
1110011020121020
4
Quaternary
1033120200033
5
Quinary
20311402433
6
Senary
2022005223
8
Octal
117304017
10
Decimal
20809743
12
Duodecimal
6b76813
16
Hexadecimal
13d880f
20
Vigesimal
6a1473
36
Base36
ce0wf
md5
9bfb9793089aec9766b42416cb98ac02
sha1
2de944db97dd8070557cf0d1f7bd01cf8d2ba283
sha256
a301d902570dcb877f4349b4526dd3c0e01cbd05597f5b1ffa4c98d5e08e85ae
sha512
a0457388a42769ecf688c7a75cda02a1aa2b7b822b37e22bc9069ce6f2bd3f06dbcc96799d784c2f17d54a545b2e34aee35a31bf26fc4e45d94f6c53a3dc27df
ripemd-160
df38d9f3f1059cacf63694297582425ea2f960dd
Diameter
41619486
Circumference
130751471.46378
Area
1.3604522590166E+15
Volume
3.7747549165206E+22
Surface area
5.4418090360663E+15
Circumference
130751471.46378
Perimeter
83238972
Area
433045403726049
Diagonal
29429420.780099
Surface area
2598272422356294
Volume
9.0115635588703E+21
Space diagonal
36043532.168451
Perimeter
62429229
Area
1.8751416030942E+14
Altitude
18021766.084225
Surface area
1.8751416030942E+14
Volume
1.0620229502618E+21
Height
9809806.9266995