20803908 is an even 8-digits composite number following 20803907
and preceding 20803909 . In scientific notation, it is written as 2.0803908 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors.
There are 6934632 positive integers (up to 20803908) that are relatively prime to 20803908.
20803908 has 12 divisors, whose sum is 48542480
The reverse of 20803908 is 80930802
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million eight hundred three thousand nine hundred eight
Scientific notation
2.0803908 × 10^7
Engineering notation
2.0803908 × 10^6
Prime Factorization
2 × 2 × 3 × 1733659
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10401954
Product of the distinct prime numbers
The prime factorization of 20803908 is 2 × 2 × 3 × 1733659.
Since it has a total of 4 prime factors.
6 , 6 , 91 , 49 , 582 , 200 , 7069 , 1293 , 95518 , 68170 , 20078 , 704119 , 3714131 , 4367570 , 85854926 , 58971905 , 403408205 , 890179109 , 7103878933 , 7165741821
n×2
41607816
n×3
62411724
n×4
83215632
n×5
104019540
n÷2
10401954
n÷3
6934636
n÷3
5200977
n÷5
4160781.6
n2
432802588072464
n3
9.0039852244214E+21
n4
1.8731808024222E+29
n5
3.8969481080958E+36
2 √n
4561.1301231164
3 √n
275.03099595527
4 √n
67.536139385639
5 √n
29.082315722783
1 , 2 , 3 , 4 , 6 , 12 , 1733659 , 3467318 , 5200977 , 6934636 , 10401954 , 20803908
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20803907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20803908 can be divided by 12 positive divisors.
The sum of these divisors (counting 20803908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111010111000101000100
3
Ternary
1110010221121010
4
Quaternary
1033113011010
5
Quinary
20311211113
6
Senary
2021522220
8
Octal
117270504
10
Decimal
20803908
12
Duodecimal
6b73370
16
Hexadecimal
13d7144
20
Vigesimal
6a09f8
36
Base36
cdwec
md5
b1f23024cf86d56356fd7494b332a471
sha1
1a36a8bea5f08a8f41b9b3e10673f6c5580dad83
sha256
62b9a1080e452a782b0e7ba2ada43f65cae41a6031a19b1c75f658fe7244a666
sha512
38559f2e237ae7aa33f7413f3c1c6e2ca6d9b8ee0b8d8999c38b9d586aecf116d07cb0e347790ff3369286016099c5615d4ef67c934d4bc946d75f8e17f2e49f
ripemd-160
ac03049339227f0f536774f6574d27ceb6bc6c42
Diameter
41607816
Circumference
130714809.07752
Area
1.3596894311431E+15
Volume
3.7715805112098E+22
Surface area
5.4387577245724E+15
Circumference
130714809.07752
Perimeter
83215632
Area
432802588072464
Diagonal
29421168.843962
Surface area
2596815528434784
Volume
9.0039852244214E+21
Space diagonal
36033425.651989
Perimeter
62411724
Area
1.874090180472E+14
Altitude
18016712.825994
Surface area
1.874090180472E+14
Volume
1.061129834982E+21
Height
9807056.2813207