20784938 is an even 8-digits composite number following 20784937
and preceding 20784939 . In scientific notation, it is written as 2.0784938 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 9982896 positive integers (up to 20784938) that are relatively prime to 20784938.
20784938 has 16 divisors, whose sum is 32417280
The reverse of 20784938 is 83948702
Previous prime number is 223
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million seven hundred eighty-four thousand nine hundred thirty-eight
Scientific notation
2.0784938 × 10^7
Engineering notation
2.0784938 × 10^6
Prime Factorization
2 × 29 × 223 × 1607
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20784938
Product of the distinct prime numbers
The prime factorization of 20784938 is 2 × 29 × 223 × 1607.
Since it has a total of 4 prime factors.
2 , 9 , 80 , 78 , 442 , 827 , 2496 , 2315 , 94016 , 80346 , 887030 , 618796 , 9257195 , 9861231 , 14550116 , 19887337 , 796399658 , 425004742 , 316798181 , 1770483
n×2
41569876
n×3
62354814
n×4
83139752
n×5
103924690
n÷2
10392469
n÷3
6928312.6666667
n÷3
5196234.5
n÷5
4156987.6
n2
432013647663844
n3
8.9793768818468E+21
n4
1.8663579176782E+29
n5
3.879213360475E+36
2 √n
4559.050120365
3 √n
274.94737505412
4 √n
67.520738446532
5 √n
29.077010057492
1 , 2 , 29 , 58 , 223 , 446 , 1607 , 3214 , 6467 , 12934 , 46603 , 93206 , 358361 , 716722 , 10392469 , 20784938
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20784937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20784938 can be divided by 16 positive divisors.
The sum of these divisors (counting 20784938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010010011100101010
3
Ternary
1110002222120112
4
Quaternary
1033102130222
5
Quinary
20310104223
6
Senary
2021254322
8
Octal
117223452
10
Decimal
20784938
12
Duodecimal
6b643a2
16
Hexadecimal
13d272a
20
Vigesimal
69i26i
36
Base36
cdhre
md5
f3ed54c8dbe24beb4780631ec6129cf8
sha1
831acb00f68962cc2875fcf574b3852b3cef938a
sha256
784179d8e1bf00f7acd3ab217a43177007cf4a64fb3b1d694cb7e8dcf8778e5e
sha512
b50c4bc8365cfe80895caf6a0f21ca77a860616335c07b69a462d4814196a2fb5f90a4fc319cc777e1ab0d894cab3103e81016212daf36b3f853bf647eeb1909
ripemd-160
5f87946a2866d260a6c0260ace74332d85739106
Diameter
41569876
Circumference
130595617.05224
Area
1.3572109017513E+15
Volume
3.7612725927765E+22
Surface area
5.428843607005E+15
Circumference
130595617.05224
Perimeter
83139752
Area
432013647663844
Diagonal
29394341.212684
Surface area
2592081885983064
Volume
8.9793768818468E+21
Space diagonal
36000568.648169
Perimeter
62354814
Area
1.8706739682923E+14
Altitude
18000284.324085
Surface area
1.8706739682923E+14
Volume
1.0582297139973E+21
Height
9798113.7375613