20806488 is an even 8-digits composite number following 20806487
and preceding 20806489 . In scientific notation, it is written as 2.0806488 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 16 positive divisors.
There are 6935472 positive integers (up to 20806488) that are relatively prime to 20806488.
20806488 has 16 divisors, whose sum is 43347000
The reverse of 20806488 is 88460802
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million eight hundred six thousand four hundred eighty-eight
Scientific notation
2.0806488 × 10^7
Engineering notation
2.0806488 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 288979
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5201622
Product of the distinct prime numbers
The prime factorization of 20806488 is 2 × 2 × 2 × 9 × 288979.
Since it has a total of 5 prime factors.
9 , 6 , 20 , 71 , 922 , 828 , 7511 , 325 , 83323 , 65972 , 404785 , 333892 , 9779435 , 8317544 , 76272687 , 17788220 , 70814566 , 692145256 , 4977337903 , 8389621072
n×2
41612976
n×3
62419464
n×4
83225952
n×5
104032440
n÷2
10403244
n÷3
6935496
n÷3
5201622
n÷5
4161297.6
n2
432909942894144
n3
9.0073355319077E+21
n4
1.8741101865661E+29
n5
3.8993651107466E+36
2 √n
4561.4129389916
3 √n
275.04236482306
4 √n
67.538233164568
5 √n
29.083037016616
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 288979 , 577958 , 1155916 , 2311832 , 2600811 , 5201622 , 10403244 , 20806488
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
-20806487
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 20806488 can be divided by 16 positive divisors.
The sum of these divisors (counting 20806488) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010111101101011000
3
Ternary
1110011002010200
4
Quaternary
1033113231120
5
Quinary
20311301423
6
Senary
2021542200
8
Octal
117275530
10
Decimal
20806488
12
Duodecimal
6b74960
16
Hexadecimal
13d7b58
20
Vigesimal
6a0g48
36
Base36
cdye0
md5
2473ad79d4b5933e701c09c30538525d
sha1
62f91b374b54284850409bde4775caee9fad4a48
sha256
59ea26034ad7249a21e99600a6ec32748dbc040c280bddf577da5d0aa8389bdf
sha512
3298e596b76df4d056d3ffa61ca5773dda6f497128744b7fc8af75b2adaf44ea06e6b80617b80fc5de5047b8d8b6efca45966118a9421e9a80cd173ba2aee84c
ripemd-160
c14c9d6d21027063d4b7eb962de0472d2170b419
Diameter
41612976
Circumference
130731019.69561
Area
1.3600266962622E+15
Volume
3.7729838847279E+22
Surface area
5.4401067850489E+15
Circumference
130731019.69561
Perimeter
83225952
Area
432909942894144
Diagonal
29424817.514953
Surface area
2597459657364864
Volume
9.0073355319077E+21
Space diagonal
36037894.343072
Perimeter
62419464
Area
1.874555040486E+14
Altitude
18018947.171536
Surface area
1.874555040486E+14
Volume
1.0615246725057E+21
Height
9808272.5049844