20806480 is an even 8-digits composite number following 20806479
and preceding 20806481 . In scientific notation, it is written as 2.0806480 × 10^7.
The sum of its digits is 28. It has a total of 6 prime factors and 20 positive divisors.
There are 8322560 positive integers (up to 20806480) that are relatively prime to 20806480.
20806480 has 20 divisors, whose sum is 48375252
The reverse of 20806480 is 08460802
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million eight hundred six thousand four hundred eighty
Scientific notation
2.0806480 × 10^7
Engineering notation
2.0806480 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 260081
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2600810
Product of the distinct prime numbers
The prime factorization of 20806480 is 2 × 2 × 2 × 2 × 5 × 260081.
Since it has a total of 6 prime factors.
2 , 4 , 35 , 3 , 573 , 221 , 5281 , 4287 , 4973 , 92941 , 916289 , 167519 , 69326 , 4226889 , 8290596 , 30025959 , 559540211 , 380458839 , 9261287739 , 5623494669
n×2
41612960
n×3
62419440
n×4
83225920
n×5
104032400
n÷2
10403240
n÷3
6935493.3333333
n÷3
5201620
n÷5
4161296
n2
432909609990400
n3
9.0073251420731E+21
n4
1.8741073042204E+29
n5
3.8993576143116E+36
2 √n
4561.4120620703
3 √n
275.04232957221
4 √n
67.538226672532
5 √n
29.083034780157
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 260081 , 520162 , 1040324 , 1300405 , 2080648 , 2600810 , 4161296 , 5201620 , 10403240 , 20806480
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20806479
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20806480 can be divided by 20 positive divisors.
The sum of these divisors (counting 20806480) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001111010111101101010000
3
Ternary
1110011002010101
4
Quaternary
1033113231100
5
Quinary
20311301410
6
Senary
2021542144
8
Octal
117275520
10
Decimal
20806480
12
Duodecimal
6b74954
16
Hexadecimal
13d7b50
20
Vigesimal
6a0g40
36
Base36
cdyds
md5
8c56aadedb4dd3af27dc45241ec0d835
sha1
a6fb491f8e8d2fee789253fae6f336d2ac15e548
sha256
9e43ecf3b8d1dcd1b917e70ae45a5bf0137e18e2d4f3ec4f2755733c2a359e71
sha512
206cd113b9142fd341ba2b6dc8d60585a0d893e0ccda2b096bc99bec8cef6154fd65efc1e29d98723262522ed9d018bea1e742e353eab024817fb90d617f09d2
ripemd-160
af87f3250b8c45e5a241510ded5d23b8abb4b5dd
Diameter
41612960
Circumference
130730969.43013
Area
1.3600256504143E+15
Volume
3.7729795326442E+22
Surface area
5.4401026016571E+15
Circumference
130730969.43013
Perimeter
83225920
Area
432909609990400
Diagonal
29424806.201245
Surface area
2597457659942400
Volume
9.0073251420731E+21
Space diagonal
36037880.486666
Perimeter
62419440
Area
1.8745535989705E+14
Altitude
18018940.243333
Surface area
1.8745535989705E+14
Volume
1.061523448052E+21
Height
9808268.7337482