20784940 is an even 8-digits composite number following 20784939
and preceding 20784941 . In scientific notation, it is written as 2.0784940 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors.
There are 7558080 positive integers (up to 20784940) that are relatively prime to 20784940.
20784940 has 24 divisors, whose sum is 47616912
The reverse of 20784940 is 04948702
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million seven hundred eighty-four thousand nine hundred forty
Scientific notation
2.0784940 × 10^7
Engineering notation
2.0784940 × 10^6
Prime Factorization
2 × 2 × 5 × 11 × 94477
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10392470
Product of the distinct prime numbers
The prime factorization of 20784940 is 2 × 2 × 5 × 11 × 94477.
Since it has a total of 5 prime factors.
4 , 4 , 44 , 32 , 319 , 762 , 2566 , 7673 , 40450 , 77086 , 988296 , 210349 , 7103013 , 5701713 , 80940641 , 38741056 , 425312872 , 588389067 , 5560257598 , 3472840493
n×2
41569880
n×3
62354820
n×4
83139760
n×5
103924700
n÷2
10392470
n÷3
6928313.3333333
n÷3
5196235
n÷5
4156988
n2
432013730803600
n3
8.979379473929E+21
n4
1.8663586360285E+29
n5
3.8792152268333E+36
2 √n
4559.0503397089
3 √n
274.94738387292
4 √n
67.520740070803
5 √n
29.077010617071
1 , 2 , 4 , 5 , 10 , 11 , 20 , 22 , 44 , 55 , 110 , 220 , 94477 , 188954 , 377908 , 472385 , 944770 , 1039247 , 1889540 , 2078494 , 4156988 , 5196235 , 10392470 , 20784940
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
-20784939
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 20784940 can be divided by 24 positive divisors.
The sum of these divisors (counting 20784940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111010010011100101100
3
Ternary
1110002222120121
4
Quaternary
1033102130230
5
Quinary
20310104230
6
Senary
2021254324
8
Octal
117223454
10
Decimal
20784940
12
Duodecimal
6b643a4
16
Hexadecimal
13d272c
20
Vigesimal
69i270
36
Base36
cdhrg
md5
9fdcc81ea6543cf99efec53efff1b2ef
sha1
5106e2176cfe39fcf9239645ff278993fef7cac1
sha256
b6dc85402d93d15f2da34f5274cf323205a9b068765aed682bdb8d5607be16d9
sha512
1d8c899666961e545346103cfb9b76ad58b8e3c3aea46caf50552156df2fc4a1662c3a414ea9936f639fbbbe0b818bde23576cfcd3fe534f0e452eb2528c93d7
ripemd-160
af7e7c523d79596d6e45d4771b85db80062d4ca0
Diameter
41569880
Circumference
130595629.61861
Area
1.3572111629425E+15
Volume
3.7612736785454E+22
Surface area
5.42884465177E+15
Circumference
130595629.61861
Perimeter
83139760
Area
432013730803600
Diagonal
29394344.041111
Surface area
2592082384821600
Volume
8.979379473929E+21
Space diagonal
36000572.112271
Perimeter
62354820
Area
1.870674328298E+14
Altitude
18000286.056135
Surface area
1.870674328298E+14
Volume
1.0582300194771E+21
Height
9798114.6803703