20809318 is an even 8-digits composite number following 20809317
and preceding 20809319 . In scientific notation, it is written as 2.0809318 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 10123416 positive integers (up to 20809318) that are relatively prime to 20809318.
20809318 has 8 divisors, whose sum is 32057712
The reverse of 20809318 is 81390802
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million eight hundred nine thousand three hundred eighteen
Scientific notation
2.0809318 × 10^7
Engineering notation
2.0809318 × 10^6
Prime Factorization
2 × 37 × 281207
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20809318
Product of the distinct prime numbers
The prime factorization of 20809318 is 2 × 37 × 281207.
Since it has a total of 3 prime factors.
9 , 10 , 7 , 73 , 171 , 936 , 9805 , 6415 , 40373 , 26860 , 703882 , 237583 , 4439590 , 9134135 , 73961549 , 4895470 , 122636569 , 283675317 , 4139832148 , 8535582325
n×2
41618636
n×3
62427954
n×4
83237272
n×5
104046590
n÷2
10404659
n÷3
6936439.3333333
n÷3
5202329.5
n÷5
4161863.6
n2
433027715625124
n3
9.0110114372568E+21
n4
1.8751300249951E+29
n5
3.9020176981472E+36
2 √n
4561.7231393411
3 √n
275.05483424454
4 √n
67.540529605127
5 √n
29.08382812098
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
-20809317
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 20809318 can be divided by 8 positive divisors.
The sum of these divisors (counting 20809318) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111011000011001100110
3
Ternary
1110011020000111
4
Quaternary
1033120121212
5
Quinary
20311344233
6
Senary
2022003234
8
Octal
117303146
10
Decimal
20809318
12
Duodecimal
6b7651a
16
Hexadecimal
13d8666
20
Vigesimal
6a135i
36
Base36
ce0km
md5
6005b33d4ddfff3f21eda8a9627621f3
sha1
5a0281a51337c910fe36e8c8804afdfe5901f187
sha256
8a1fbdba06b6ae5a3d8f35946e69dd33549cd217d42f04b8ba73b4caa6865be3
sha512
a84fb634152639c35ecb396ef6b1abd0f4b60e4c75f9a4e15a3f9609c65de1a638b64e76773210a553275a9dd326ec5189520d8f10a5e7d4a747ab33d30f9552
ripemd-160
1ab7bbd2d28bf0d09ecea9fdf8dddc41b2ac9dd3
Diameter
41618636
Circumference
130748801.11003
Area
1.3603966902087E+15
Volume
3.7745236443599E+22
Surface area
5.4415867608346E+15
Circumference
130748801.11003
Perimeter
83237272
Area
433027715625124
Diagonal
29428819.739335
Surface area
2598166293750744
Volume
9.0110114372568E+21
Space diagonal
36042796.046858
Perimeter
62427954
Area
1.8750650113705E+14
Altitude
18021398.023429
Surface area
1.8750650113705E+14
Volume
1.0619578821056E+21
Height
9809606.5797782