20685795 is an odd 8-digits composite number following 20685794
and preceding 20685796 . In scientific notation, it is written as 2.0685795 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 9942912 positive integers (up to 20685795) that are relatively prime to 20685795.
20685795 has 16 divisors, whose sum is 26062080
The reverse of 20685795 is 59758602
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million six hundred eighty-five thousand seven hundred ninety-five
Scientific notation
2.0685795 × 10^7
Engineering notation
2.0685795 × 10^6
Prime Factorization
5 × 39 × 43 × 2467
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20685795
Product of the distinct prime numbers
The prime factorization of 20685795 is 5 × 39 × 43 × 2467.
Since it has a total of 4 prime factors.
2 , 9 , 56 , 32 , 825 , 507 , 7131 , 3088 , 1564 , 70263 , 812935 , 397021 , 5359155 , 8536575 , 3472820 , 90783575 , 131703430 , 482183586 , 9251812147 , 906097736
n×2
41371590
n×3
62057385
n×4
82743180
n×5
103428975
n÷2
10342897.5
n÷3
6895265
n÷3
5171448.75
n÷5
4137159
n2
427902114782025
n3
8.8514954264474E+21
n4
1.8310021983493E+29
n5
3.7875736119603E+36
2 √n
4548.163915252
3 √n
274.50951689129
4 √n
67.44007647721
5 √n
29.049217835196
1 , 5 , 39 , 43 , 195 , 215 , 1677 , 2467 , 8385 , 12335 , 96213 , 106081 , 481065 , 530405 , 4137159 , 20685795
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
-20685794
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 20685795 can be divided by 16 positive divisors.
The sum of these divisors (counting 20685795) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111010001111100011
3
Ternary
1102220221120120
4
Quaternary
1032322033203
5
Quinary
20243421140
6
Senary
2015211323
8
Octal
116721743
10
Decimal
20685795
12
Duodecimal
6b16b43
16
Hexadecimal
13ba3e3
20
Vigesimal
695e9f
36
Base36
cbd9f
md5
5c708b0378eebdbf48f6653afbfb8c47
sha1
412f9a9a6354ce15544334c779247a864595a837
sha256
8df0e8d5d77195afcb3ac0fba09e7b10f6bf9fb67ab9aa61909acf8c9a5803dc
sha512
fcd727b650167fbe96c06b6e16b4fdc22bb9caa167fc3fc35d2f8c7e709cd7e206aedabadcb33312c93368ce4c81a225d2bf85b66844adcda795dbe440d02a6c
ripemd-160
7d5a094350c49df00b3edf2f7da470b0792ef3df
Diameter
41371590
Circumference
129972683.21133
Area
1.3442941402547E+15
Volume
3.7077057340015E+22
Surface area
5.377176561019E+15
Circumference
129972683.21133
Perimeter
82743180
Area
427902114782025
Diagonal
29254131.83747
Surface area
2567412688692150
Volume
8.8514954264474E+21
Space diagonal
35828847.934954
Perimeter
62057385
Area
1.8528705086716E+14
Altitude
17914423.967477
Surface area
1.8528705086716E+14
Volume
1.0431587399471E+21
Height
9751377.2791565