20809975 is an odd 8-digits composite number following 20809974
and preceding 20809976 . In scientific notation, it is written as 2.0809975 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 6 positive divisors.
There are 16647960 positive integers (up to 20809975) that are relatively prime to 20809975.
20809975 has 6 divisors, whose sum is 25804400
The reverse of 20809975 is 57990802
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million eight hundred nine thousand nine hundred seventy-five
Scientific notation
2.0809975 × 10^7
Engineering notation
2.0809975 × 10^6
Prime Factorization
5 × 5 × 832399
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
4161995
Product of the distinct prime numbers
The prime factorization of 20809975 is 5 × 5 × 832399.
Since it has a total of 3 prime factors.
6 , 8 , 98 , 76 , 237 , 715 , 4791 , 3364 , 42287 , 68562 , 897 , 221017 , 2268303 , 5572483 , 50932246 , 70521869 , 380427025 , 318408157 , 9834319928 , 252475764
n×2
41619950
n×3
62429925
n×4
83239900
n×5
104049875
n÷2
10404987.5
n÷3
6936658.3333333
n÷3
5202493.75
n÷5
4161995
n2
433055059500625
n3
9.0118649618315E+21
n4
1.8753668455909E+29
n5
3.9026337172575E+36
2 √n
4561.7951510343
3 √n
275.05772892733
4 √n
67.541062702879
5 √n
29.084011767881
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20809974
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20809975 can be divided by 6 positive divisors.
The sum of these divisors (counting 20809975) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001111011000100011110111
3
Ternary
1110011020220211
4
Quaternary
1033120203313
5
Quinary
20311404400
6
Senary
2022010251
8
Octal
117304367
10
Decimal
20809975
12
Duodecimal
6b76987
16
Hexadecimal
13d88f7
20
Vigesimal
6a14if
36
Base36
ce12v
md5
548c5154f34f189d76b7d730ca7c81ef
sha1
0c0ee427bdd41ce8ce7ce53b9d4a76b1c323ac91
sha256
3ef8873686e031051676ca3b98c28d2468c6ef00df31e6abd93fb86d28fabebd
sha512
6259877b5388c39cdb3896f0b8923f6d965138263bcf4c5ca0283c70e4532df4047d4855f04d4e196b44133d99f25d504196b37ebec667fc35625cd0628e1853
ripemd-160
19989d37389b4026291c73f68014268336b85785
Diameter
41619950
Circumference
130752929.16277
Area
1.3604825935271E+15
Volume
3.7748811678978E+22
Surface area
5.4419303741082E+15
Circumference
130752929.16277
Perimeter
83239900
Area
433055059500625
Diagonal
29429748.877645
Surface area
2598330357003750
Volume
9.0118649618315E+21
Space diagonal
36043934.004238
Perimeter
62429925
Area
1.8751834138246E+14
Altitude
18021967.002119
Surface area
1.8751834138246E+14
Volume
1.0620584709414E+21
Height
9809916.2925484