20784942 is an even 8-digits composite number following 20784941
and preceding 20784943 . In scientific notation, it is written as 2.0784942 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 6670080 positive integers (up to 20784942) that are relatively prime to 20784942.
20784942 has 24 divisors, whose sum is 35945280
The reverse of 20784942 is 24948702
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million seven hundred eighty-four thousand nine hundred forty-two
Scientific notation
2.0784942 × 10^7
Engineering notation
2.0784942 × 10^6
Prime Factorization
2 × 9 × 193 × 31 × 193
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
107694
Product of the distinct prime numbers
The prime factorization of 20784942 is 2 × 9 × 193 × 31 × 193.
Since it has a total of 5 prime factors.
2 , 5 , 59 , 65 , 745 , 423 , 7612 , 1741 , 85542 , 72779 , 25480 , 320201 , 6924523 , 6547420 , 1999581 , 44312243 , 358061289 , 783837470 , 6353366263 , 5206394929
n×2
41569884
n×3
62354826
n×4
83139768
n×5
103924710
n÷2
10392471
n÷3
6928314
n÷3
5196235.5
n÷5
4156988.4
n2
432013813943364
n3
8.9793820660116E+21
n4
1.8663593543789E+29
n5
3.8792170931923E+36
2 √n
4559.0505590528
3 √n
274.94739269172
4 √n
67.520741695074
5 √n
29.077011176649
1 , 2 , 9 , 18 , 31 , 62 , 193 , 279 , 386 , 558 , 1737 , 3474 , 5983 , 11966 , 37249 , 53847 , 74498 , 107694 , 335241 , 670482 , 1154719 , 2309438 , 10392471 , 20784942
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20784941
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20784942 can be divided by 24 positive divisors.
The sum of these divisors (counting 20784942) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111010010011100101110
3
Ternary
1110002222120200
4
Quaternary
1033102130232
5
Quinary
20310104232
6
Senary
2021254330
8
Octal
117223456
10
Decimal
20784942
12
Duodecimal
6b643a6
16
Hexadecimal
13d272e
20
Vigesimal
69i272
36
Base36
cdhri
md5
621824b1db831ed664adb24bee05a517
sha1
210b2b194b0e38a9244a89f0c5ff43f1a63ab75f
sha256
d454aada76395dd2841fbea1dca287ac6bec96379d3be724602f9fb195ecb422
sha512
8188c154a539e8955b4b9e9e6d96d4345b83acb6b51adfe98028662a6415dd44411e2396ad30669a483066f36045aec55021db8b7225d52679a09b5d3619da2a
ripemd-160
d2b7d3815f2483b957d1f9ee649ec2c81caffaad
Diameter
41569884
Circumference
130595642.18498
Area
1.3572114241338E+15
Volume
3.7612747643144E+22
Surface area
5.4288456965351E+15
Circumference
130595642.18498
Perimeter
83139768
Area
432013813943364
Diagonal
29394346.869538
Surface area
2592082883660184
Volume
8.9793820660116E+21
Space diagonal
36000575.576372
Perimeter
62354826
Area
1.8706746883038E+14
Altitude
18000287.788186
Surface area
1.8706746883038E+14
Volume
1.0582303249569E+21
Height
9798115.6231794