20809346 is an even 8-digits composite number following 20809345
and preceding 20809347 . In scientific notation, it is written as 2.0809346 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 10404672 positive integers (up to 20809346) that are relatively prime to 20809346.
20809346 has 4 divisors, whose sum is 31214022
The reverse of 20809346 is 64390802
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million eight hundred nine thousand three hundred forty-six
Scientific notation
2.0809346 × 10^7
Engineering notation
2.0809346 × 10^6
Prime Factorization
2 × 10404673
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20809346
Product of the distinct prime numbers
The prime factorization of 20809346 is 2 × 10404673.
Since it has a total of 2 prime factors.
4 , 7 , 16 , 41 , 166 , 250 , 2767 , 5003 , 76960 , 32127 , 670694 , 634544 , 1734286 , 2109811 , 53498818 , 72544333 , 116082175 , 496678060 , 6851555123 , 3053280139
n×2
41618692
n×3
62428038
n×4
83237384
n×5
104046730
n÷2
10404673
n÷3
6936448.6666667
n÷3
5202336.5
n÷5
4161869.2
n2
433028880947716
n3
9.0110478116338E+21
n4
1.8751401173483E+29
n5
3.9020439500382E+36
2 √n
4561.7262083558
3 √n
275.05495761126
4 √n
67.540552324924
5 √n
29.083835947731
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20809345
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20809346 can be divided by 4 positive divisors.
The sum of these divisors (counting 20809346) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111011000011010000010
3
Ternary
1110011020001112
4
Quaternary
1033120122002
5
Quinary
20311344341
6
Senary
2022003322
8
Octal
117303202
10
Decimal
20809346
12
Duodecimal
6b76542
16
Hexadecimal
13d8682
20
Vigesimal
6a1376
36
Base36
ce0le
md5
32bcd75f6cd2117615e2077c8ece528f
sha1
40f61eff4dd7bf4ce27be529fcc6a3a3c08e23b8
sha256
1bb36e3dfaaccde82c785429b0d1ea9fdbf6576a2483dc081c6f6b960fb1dbbb
sha512
96d3eacb5ec82cad121997e6b47751a7b73eead8efa5f713561d7a314874c4a000fa90457b9f8f4c8f77619207b281c0e850ae60d5b17d5c03f4d5f00bb42110
ripemd-160
3c6cd6273d3b07afa1cc41fcaf66debd7ff7f2cb
Diameter
41618692
Circumference
130748977.03922
Area
1.3604003511776E+15
Volume
3.7745388808234E+22
Surface area
5.4416014047102E+15
Circumference
130748977.03922
Perimeter
83237384
Area
433028880947716
Diagonal
29428859.337314
Surface area
2598173285686296
Volume
9.0110478116338E+21
Space diagonal
36042844.54428
Perimeter
62428038
Area
1.8750700573653E+14
Altitude
18021422.27214
Surface area
1.8750700573653E+14
Volume
1.0619621688671E+21
Height
9809619.7791048