20806479 is an odd 8-digits composite number following 20806478
and preceding 20806480 . In scientific notation, it is written as 2.0806479 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 13675200 positive integers (up to 20806479) that are relatively prime to 20806479.
20806479 has 12 divisors, whose sum is 30478032
The reverse of 20806479 is 97460802
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million eight hundred six thousand four hundred seventy-nine
Scientific notation
2.0806479 × 10^7
Engineering notation
2.0806479 × 10^6
Prime Factorization
3 × 3 × 71 × 32561
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6935493
Product of the distinct prime numbers
The prime factorization of 20806479 is 3 × 3 × 71 × 32561.
Since it has a total of 4 prime factors.
3 , 6 , 93 , 42 , 252 , 600 , 3999 , 4137 , 3380 , 3605 , 212266 , 318838 , 7862972 , 2889490 , 85484821 , 34592657 , 655475473 , 890469200 , 6800155717 , 5876341974
n×2
41612958
n×3
62419437
n×4
83225916
n×5
104032395
n÷2
10403239.5
n÷3
6935493
n÷3
5201619.75
n÷5
4161295.8
n2
432909568377441
n3
9.0073238433443E+21
n4
1.8741069439274E+29
n5
3.899356677258E+36
2 √n
4561.4119524551
3 √n
275.04232516585
4 √n
67.538225861027
5 √n
29.0830345006
1 , 3 , 9 , 71 , 213 , 639 , 32561 , 97683 , 293049 , 2311831 , 6935493 , 20806479
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20806478
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20806479 can be divided by 12 positive divisors.
The sum of these divisors (counting 20806479) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111010111101101001111
3
Ternary
1110011002010100
4
Quaternary
1033113231033
5
Quinary
20311301404
6
Senary
2021542143
8
Octal
117275517
10
Decimal
20806479
12
Duodecimal
6b74953
16
Hexadecimal
13d7b4f
20
Vigesimal
6a0g3j
36
Base36
cdydr
md5
d37893185f862ee038d2110626ab3927
sha1
facb5918470057b5906c8d3b01358014b813b095
sha256
8cdbac6be1a111b15f32762666ca819aef8d28386d0b99b120fdee85d3af1a89
sha512
ac6ab2bc13cd0c0a7e2e0112cabe0c1b60bbe3aaec6ad08fab6040858507760f779ea198db20be8838bff4fa8702e8902dba999fd3e3bb53ec737f03ad8632c5
ripemd-160
6ebb81a2d56d80bb599a92f3a025377aa6de2655
Diameter
41612958
Circumference
130730963.14694
Area
1.3600255196833E+15
Volume
3.7729789886339E+22
Surface area
5.4401020787332E+15
Circumference
130730963.14694
Perimeter
83225916
Area
432909568377441
Diagonal
29424804.787031
Surface area
2597457410264646
Volume
9.0073238433443E+21
Space diagonal
36037878.754615
Perimeter
62419437
Area
1.8745534187811E+14
Altitude
18018939.377307
Surface area
1.8745534187811E+14
Volume
1.0615232949953E+21
Height
9808268.2623437