20783389 is an odd 8-digits composite number following 20783388
and preceding 20783390 . In scientific notation, it is written as 2.0783389 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 18893980 positive integers (up to 20783389) that are relatively prime to 20783389.
20783389 has 4 divisors, whose sum is 22672800
The reverse of 20783389 is 98338702
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million seven hundred eighty-three thousand three hundred eighty-nine
Scientific notation
2.0783389 × 10^7
Engineering notation
2.0783389 × 10^6
Prime Factorization
11 × 1889399
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20783389
Product of the distinct prime numbers
The prime factorization of 20783389 is 11 × 1889399.
Since it has a total of 2 prime factors.
2 , 3 , 1 , 12 , 878 , 429 , 8631 , 9004 , 89369 , 62954 , 663746 , 378171 , 9934343 , 8033779 , 29291285 , 27018467 , 524076634 , 344811193 , 3125983410 , 3935584669
n×2
41566778
n×3
62350167
n×4
83133556
n×5
103916945
n÷2
10391694.5
n÷3
6927796.3333333
n÷3
5195847.25
n÷5
4156677.8
n2
431949258325321
n3
8.9773694640366E+21
n4
1.8658016176779E+29
n5
3.877768081703E+36
2 √n
4558.880235321
3 √n
274.94054472239
4 √n
67.519480413588
5 √n
29.076576651039
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
-20783388
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 20783389 can be divided by 4 positive divisors.
The sum of these divisors (counting 20783389) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010010000100011101
3
Ternary
1110002220110011
4
Quaternary
1033102010131
5
Quinary
20310032024
6
Senary
2021243221
8
Octal
117220435
10
Decimal
20783389
12
Duodecimal
6b63511
16
Hexadecimal
13d211d
20
Vigesimal
69hi99
36
Base36
cdgkd
md5
5243f45d2f01e5c992d79a88fdf00938
sha1
c56262d9e936c8a68424a6a72a80651cd2b5d2e4
sha256
ec25cbe2c9d78af560ba3795d0c314af0798caf83bbdafbd5aa6cf754d43ec79
sha512
5a16817eb74b6cfea868294730ebbc88e08b4a4367858255cae187b8ab25dced7c454a4b22b40d9a99173c22399cc79fa444957b7fcb6b82be9e0c3cfcd115de
ripemd-160
a7c30cbf66571f50729d5bb8592d93efdb26644e
Diameter
41566778
Circumference
130585884.3982
Area
1.3570086166784E+15
Volume
3.7604317275705E+22
Surface area
5.4280344667136E+15
Circumference
130585884.3982
Perimeter
83133556
Area
431949258325321
Diagonal
29392150.595876
Surface area
2591695549951926
Volume
8.9773694640366E+21
Space diagonal
35997885.701468
Perimeter
62350167
Area
1.8703951542779E+14
Altitude
17998942.850734
Surface area
1.8703951542779E+14
Volume
1.0579931375396E+21
Height
9797383.5319586