20388935 is an odd 8-digits composite number following 20388934
and preceding 20388936 . In scientific notation, it is written as 2.0388935 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 13980960 positive integers (up to 20388935) that are relatively prime to 20388935.
20388935 has 8 divisors, whose sum is 27962016
The reverse of 20388935 is 53988302
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million three hundred eighty-eight thousand nine hundred thirty-five
Scientific notation
2.0388935 × 10^7
Engineering notation
2.0388935 × 10^6
Prime Factorization
7 × 5 × 582541
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20388935
Product of the distinct prime numbers
The prime factorization of 20388935 is 7 × 5 × 582541.
Since it has a total of 3 prime factors.
10 , 7 , 89 , 91 , 673 , 293 , 2867 , 6110 , 98262 , 82876 , 452542 , 645653 , 703594 , 9212274 , 30944042 , 10841155 , 34539171 , 311270959 , 615069557 , 4510565734
n×2
40777870
n×3
61166805
n×4
81555740
n×5
101944675
n÷2
10194467.5
n÷3
6796311.6666667
n÷3
5097233.75
n÷5
4077787
n2
415708670434225
n3
8.4758570604198E+21
n4
1.7281369867419E+29
n5
3.5234872693777E+36
2 √n
4515.4108340216
3 √n
273.19003080523
4 √n
67.196806724886
5 √n
28.965358513364
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
-20388934
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 20388935 can be divided by 8 positive divisors.
The sum of these divisors (counting 20388935) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110001110001000111
3
Ternary
1102100212100202
4
Quaternary
1031301301013
5
Quinary
20204421220
6
Senary
2005001115
8
Octal
115616107
10
Decimal
20388935
12
Duodecimal
69b319b
16
Hexadecimal
1371c47
20
Vigesimal
678c6f
36
Base36
c507b
md5
f37d7093c5957fe00d3d4f047585230d
sha1
f1cc9d6f52dc6cac550af720b54391d4bc9bde06
sha256
f9a1a7080705966d3cae7dd8cf06eac6c5492d91fe9e6e44daa01a08e5ec754a
sha512
39f8115eb90b7e8ddca5ac3b2718927cc3b77aba8f8c195242604205fd44b650eec630125b35464b8d1a59b53b7e6541d95675d50b4942462d7bccf90665ac5f
ripemd-160
c703158d40f08374baa7989199fab5e050d13d45
Diameter
40777870
Circumference
128107456.82104
Area
1.3059873050697E+15
Volume
3.5503587031856E+22
Surface area
5.223949220279E+15
Circumference
128107456.82104
Perimeter
81555740
Area
415708670434225
Diagonal
28834308.399343
Surface area
2494252022605350
Volume
8.4758570604198E+21
Space diagonal
35314671.332219
Perimeter
61166805
Area
1.8000713458475E+14
Altitude
17657335.66611
Surface area
1.8000713458475E+14
Volume
9.9888933396512E+20
Height
9611436.1331145