20783939 is an odd 8-digits composite number following 20783938
and preceding 20783940 . In scientific notation, it is written as 2.0783939 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 18861640 positive integers (up to 20783939) that are relatively prime to 20783939.
20783939 has 8 divisors, whose sum is 22712832
The reverse of 20783939 is 93938702
Previous prime number is 743
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million seven hundred eighty-three thousand nine hundred thirty-nine
Scientific notation
2.0783939 × 10^7
Engineering notation
2.0783939 × 10^6
Prime Factorization
11 × 743 × 2543
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20783939
Product of the distinct prime numbers
The prime factorization of 20783939 is 11 × 743 × 2543.
Since it has a total of 3 prime factors.
6 , 5 , 100 , 67 , 940 , 738 , 316 , 2545 , 75134 , 51386 , 81905 , 974617 , 9144394 , 2155042 , 6825077 , 44439629 , 721973978 , 867333847 , 4910130981 , 5258352434
n×2
41567878
n×3
62351817
n×4
83135756
n×5
103919695
n÷2
10391969.5
n÷3
6927979.6666667
n÷3
5195984.75
n÷5
4156787.8
n2
431972120355721
n3
8.978082199174E+21
n4
1.8659991276462E+29
n5
3.8782812043051E+36
2 √n
4558.9405567522
3 √n
274.94296999201
4 √n
67.519927108611
5 √n
29.076730542667
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20783938
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20783939 can be divided by 8 positive divisors.
The sum of these divisors (counting 20783939) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010010001101000011
3
Ternary
1110002221012112
4
Quaternary
1033102031003
5
Quinary
20310041224
6
Senary
2021245535
8
Octal
117221503
10
Decimal
20783939
12
Duodecimal
6b638ab
16
Hexadecimal
13d2343
20
Vigesimal
69hjgj
36
Base36
cdgzn
md5
85d9babafd1527d7dd19ddd5daf69e88
sha1
126d2bd133500113e0aa44c457b3a098bd636e92
sha256
3a78e0d632051b7bf75351f5a1946b5dd83f4b05484ca682410474ba2d18811f
sha512
fcff37cf4a5c2084e20426997edd617989210f6243a490ef26a8c8c4ff7c74a9b8f7de514a6a5f3fabeed89c26358eca4fc95f8c2ca91878c38b64ff74769b35
ripemd-160
c63044623d27236c99417982773f6468962177f5
Diameter
41567878
Circumference
130589340.15012
Area
1.3570804398651E+15
Volume
3.7607302773667E+22
Surface area
5.4283217594606E+15
Circumference
130589340.15012
Perimeter
83135756
Area
431972120355721
Diagonal
29392928.413335
Surface area
2591832722134326
Volume
8.978082199174E+21
Space diagonal
35998838.329412
Perimeter
62351817
Area
1.8704941497734E+14
Altitude
17999419.164706
Surface area
1.8704941497734E+14
Volume
1.058077134181E+21
Height
9797642.804445