20509938 is an even 8-digits composite number following 20509937
and preceding 20509939 . In scientific notation, it is written as 2.0509938 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 6794712 positive integers (up to 20509938) that are relatively prime to 20509938.
20509938 has 16 divisors, whose sum is 34392960
The reverse of 20509938 is 83990502
Previous prime number is 167
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million five hundred nine thousand nine hundred thirty-eight
Scientific notation
2.0509938 × 10^7
Engineering notation
2.0509938 × 10^6
Prime Factorization
2 × 9 × 167 × 6823
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20509938
Product of the distinct prime numbers
The prime factorization of 20509938 is 2 × 9 × 167 × 6823.
Since it has a total of 4 prime factors.
10 , 1 , 27 , 10 , 754 , 373 , 7637 , 3216 , 21606 , 67053 , 720681 , 377020 , 2912624 , 4122064 , 31345041 , 3590012 , 668715179 , 706223822 , 7341208701 , 6140388194
n×2
41019876
n×3
61529814
n×4
82039752
n×5
102549690
n÷2
10254969
n÷3
6836646
n÷3
5127484.5
n÷5
4101987.6
n2
420657556763844
n3
8.6276604084579E+21
n4
1.7695278006253E+29
n5
3.6292905480101E+36
2 √n
4528.7899045992
3 √n
273.72940234088
4 √n
67.296284478411
5 √n
28.999657553759
1 , 2 , 9 , 18 , 167 , 334 , 1503 , 3006 , 6823 , 13646 , 61407 , 122814 , 1139441 , 2278882 , 10254969 , 20509938
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
-20509937
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 20509938 can be divided by 16 positive divisors.
The sum of these divisors (counting 20509938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110001111010011110010
3
Ternary
1102121000100100
4
Quaternary
1032033103302
5
Quinary
20222304223
6
Senary
2011333230
8
Octal
116172362
10
Decimal
20509938
12
Duodecimal
6a51216
16
Hexadecimal
138f4f2
20
Vigesimal
683egi
36
Base36
c7lki
md5
43a5062773801dc9c16669e7b90b96a6
sha1
6eeec18d44ffc15a149e8061885d12a278af3733
sha256
d3bb1d3b0ea9ff967fb9c6058e53e0b87de56f1688991cf24a8582892319c277
sha512
b6fabf95ce36f19cf19c360b2aab7c46e78d75a6ea77f3882465ccc070ef5711f9ed75ac2ca48937b6381c324e09d70980412ff7e650d900c598f5e5cc4c0685
ripemd-160
5982656507960fcb81064edbf1eedbe0379108c0
Diameter
41019876
Circumference
128867741.09276
Area
1.3215346900063E+15
Volume
3.6139459409172E+22
Surface area
5.2861387600253E+15
Circumference
128867741.09276
Perimeter
82039752
Area
420657556763844
Diagonal
29005432.483031
Surface area
2523945340583064
Volume
8.6276604084579E+21
Space diagonal
35524254.676088
Perimeter
61529814
Area
1.8215006522569E+14
Altitude
17762127.338044
Surface area
1.8215006522569E+14
Volume
1.0167795300992E+21
Height
9668477.4943438