20809950 is an even 8-digits composite number following 20809949
and preceding 20809951 . In scientific notation, it is written as 2.0809950 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 4756320 positive integers (up to 20809950) that are relatively prime to 20809950.
20809950 has 16 divisors, whose sum is 37816560
The reverse of 20809950 is 05990802
Previous prime number is 105
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million eight hundred nine thousand nine hundred fifty
Scientific notation
2.0809950 × 10^7
Engineering notation
2.0809950 × 10^6
Prime Factorization
2 × 5 × 105 × 19819
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20809950
Product of the distinct prime numbers
The prime factorization of 20809950 is 2 × 5 × 105 × 19819.
Since it has a total of 4 prime factors.
6 , 8 , 38 , 4 , 896 , 279 , 5396 , 4049 , 71841 , 96454 , 419702 , 169422 , 41480 , 3172943 , 47771819 , 363060 , 945594659 , 522628663 , 9452361597 , 5158827668
n×2
41619900
n×3
62429850
n×4
83239800
n×5
104049750
n÷2
10404975
n÷3
6936650
n÷3
5202487.5
n÷5
4161990
n2
433054019002500
n3
9.0118324827411E+21
n4
1.8753578337422E+29
n5
3.9026102752283E+36
2 √n
4561.7924108841
3 √n
275.0576187807
4 √n
67.541042417808
5 √n
29.084004779879
1 , 2 , 5 , 10 , 105 , 210 , 525 , 1050 , 19819 , 39638 , 99095 , 198190 , 2080995 , 4161990 , 10404975 , 20809950
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
-20809949
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 20809950 can be divided by 16 positive divisors.
The sum of these divisors (counting 20809950) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111011000100011011110
3
Ternary
1110011020212220
4
Quaternary
1033120203132
5
Quinary
20311404300
6
Senary
2022010210
8
Octal
117304336
10
Decimal
20809950
12
Duodecimal
6b76966
16
Hexadecimal
13d88de
20
Vigesimal
6a14ha
36
Base36
ce126
md5
f1ff18f0138b06ccd24d97a486e33762
sha1
21bfcd46f81b600ba8664be24f4e02f571f434e2
sha256
b900ce4ba6cf227ce80281a40dbd2df2f3ed48f50ae095717c4bcae038d0c7c9
sha512
92ccf4a02b9a95c992b9e6795c49e8b5b92f2a41822113afc0ce85c69788ec4e77ade0eb1f56687c4ef4f68172acd99ee816a4b52ceb8ed79db4cbb163c9302c
ripemd-160
838879be55be2088b41646c7b8ecae6817d19a54
Diameter
41619900
Circumference
130752772.08314
Area
1.3604793247058E+15
Volume
3.7748675630882E+22
Surface area
5.4419172988232E+15
Circumference
130752772.08314
Perimeter
83239800
Area
433054019002500
Diagonal
29429713.522306
Surface area
2598324114015000
Volume
9.0118324827411E+21
Space diagonal
36043890.702968
Perimeter
62429850
Area
1.8751789083356E+14
Altitude
18021945.351484
Surface area
1.8751789083356E+14
Volume
1.0620546432439E+21
Height
9809904.5074353