20806311 is an odd 8-digits composite number following 20806310
and preceding 20806312 . In scientific notation, it is written as 2.0806311 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors.
There are 12337920 positive integers (up to 20806311) that are relatively prime to 20806311.
20806311 has 32 divisors, whose sum is 31046400
The reverse of 20806311 is 11360802
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million eight hundred six thousand three hundred eleven
Scientific notation
2.0806311 × 10^7
Engineering notation
2.0806311 × 10^6
Prime Factorization
3 × 19 × 29 × 41 × 307
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20806311
Product of the distinct prime numbers
The prime factorization of 20806311 is 3 × 19 × 29 × 41 × 307.
Since it has a total of 5 prime factors.
10 , 10 , 8 , 38 , 955 , 885 , 5041 , 7853 , 98192 , 81773 , 213549 , 10266 , 3033776 , 1049596 , 74236171 , 81043842 , 431117505 , 415602460 , 9424619200 , 2791826016
n×2
41612622
n×3
62418933
n×4
83225244
n×5
104031555
n÷2
10403155.5
n÷3
6935437
n÷3
5201577.75
n÷5
4161262.2
n2
432902577428721
n3
9.0071056586835E+21
n4
1.8740464154443E+29
n5
3.8991992548169E+36
2 √n
4561.3935370674
3 √n
275.04158489588
4 √n
67.538089527817
5 √n
29.082987534791
1 , 3 , 19 , 29 , 41 , 57 , 87 , 123 , 307 , 551 , 779 , 921 , 1189 , 1653 , 2337 , 3567 , 5833 , 8903 , 12587 , 17499 , 22591 , 26709 , 37761 , 67773 , 169157 , 239153 , 365023 , 507471 , 717459 , 1095069 , 6935437 , 20806311
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20806310
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20806311 can be divided by 32 positive divisors.
The sum of these divisors (counting 20806311) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111010111101010100111
3
Ternary
1110011001220010
4
Quaternary
1033113222213
5
Quinary
20311300221
6
Senary
2021541303
8
Octal
117275247
10
Decimal
20806311
12
Duodecimal
6b74833
16
Hexadecimal
13d7aa7
20
Vigesimal
6a0ffb
36
Base36
cdy93
md5
c4b963d2d125688feee8e8882850874e
sha1
dde80423f9b1ec997252c067921b18bd12da9375
sha256
3023c4de93595c53e4e4a86512c6be3ee3f8691c97a1749bea8a5ed762ce1573
sha512
76a8af29e9347f24d1919639a533203f154637e3f4e7cdf0f9c9bf1bd05cdc904fb9657a4a1f4741a0905e30f098ed9395ca516efc015bbb888501dacdcfd04f
ripemd-160
900af423c9f4d3680d7c39b48756650097e6e7ff
Diameter
41612622
Circumference
130729907.57181
Area
1.3600035569702E+15
Volume
3.772887595657E+22
Surface area
5.4400142278806E+15
Circumference
130729907.57181
Perimeter
83225244
Area
432902577428721
Diagonal
29424567.199153
Surface area
2597415464572326
Volume
9.0071056586835E+21
Space diagonal
36037587.770079
Perimeter
62418933
Area
1.8745231470852E+14
Altitude
18018793.88504
Surface area
1.8745231470852E+14
Volume
1.0614975816865E+21
Height
9808189.0663842