20403809 is an odd 8-digits composite number following 20403808
and preceding 20403810 . In scientific notation, it is written as 2.0403809 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 20390916 positive integers (up to 20403809) that are relatively prime to 20403809.
20403809 has 4 divisors, whose sum is 20416704
The reverse of 20403809 is 90830402
Previous prime number is 11047
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million four hundred three thousand eight hundred nine
Scientific notation
2.0403809 × 10^7
Engineering notation
2.0403809 × 10^6
Prime Factorization
11047 × 1847
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20403809
Product of the distinct prime numbers
The prime factorization of 20403809 is 11047 × 1847.
Since it has a total of 2 prime factors.
6 , 9 , 2 , 14 , 461 , 637 , 7708 , 3534 , 93024 , 81841 , 203587 , 748998 , 6099259 , 6358711 , 20553381 , 94797729 , 92489500 , 393671807 , 4174587755 , 6221087680
n×2
40807618
n×3
61211427
n×4
81615236
n×5
102019045
n÷2
10201904.5
n÷3
6801269.6666667
n÷3
5100952.25
n÷5
4080761.8
n2
416315421708481
n3
8.4944203482943E+21
n4
1.7331853035231E+29
n5
3.5363581894692E+36
2 √n
4517.0575599609
3 √n
273.25644658108
4 √n
67.209058615345
5 √n
28.969583403765
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
-20403808
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 20403809 can be divided by 4 positive divisors.
The sum of these divisors (counting 20403809) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110101011001100001
3
Ternary
1102101121202122
4
Quaternary
1031311121201
5
Quinary
20210410214
6
Senary
2005154025
8
Octal
115653141
10
Decimal
20403809
12
Duodecimal
69bb915
16
Hexadecimal
1375661
20
Vigesimal
67a9a9
36
Base36
c5boh
md5
aa41f108c6cef426a296a40f975e1c15
sha1
61be4294c37aa0b5acd73a057604afac89505409
sha256
b374d4dbb77bc1289e75111ecfa79eeab20b73d1f4da40ad659fa59d45731849
sha512
b2a069be4ecdd0f6184139b6f80a377b279a4a9595ded24042b9a18fd107d2b356916849ab253b4b25a0f7071b29c6977b2910c6e72d863e5787d0b2540ab542
ripemd-160
c8aab2138af360a030f6b402c776028b637f86ac
Diameter
40807618
Circumference
128200912.9193
Area
1.3078934704155E+15
Volume
3.5581344750273E+22
Surface area
5.231573881662E+15
Circumference
128200912.9193
Perimeter
81615236
Area
416315421708481
Diagonal
28855343.41187
Surface area
2497892530250886
Volume
8.4944203482943E+21
Space diagonal
35340433.855931
Perimeter
61211427
Area
1.8026986559339E+14
Altitude
17670216.927966
Surface area
1.8026986559339E+14
Volume
1.0010770384213E+21
Height
9618447.8039567