20421684 is an even 8-digits composite number following 20421683
and preceding 20421685 . In scientific notation, it is written as 2.0421684 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 6350400 positive integers (up to 20421684) that are relatively prime to 20421684.
20421684 has 24 divisors, whose sum is 47743808
The reverse of 20421684 is 48612402
Previous prime number is 2697
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million four hundred twenty-one thousand six hundred eighty-four
Scientific notation
2.0421684 × 10^7
Engineering notation
2.0421684 × 10^6
Prime Factorization
2 × 2 × 3 × 2697 × 631
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10210842
Product of the distinct prime numbers
The prime factorization of 20421684 is 2 × 2 × 3 × 2697 × 631.
Since it has a total of 5 prime factors.
9 , 6 , 22 , 6 , 860 , 565 , 9460 , 2684 , 45012 , 4743 , 77546 , 343957 , 6034588 , 885009 , 27187045 , 37196985 , 878454479 , 596587208 , 6400271832 , 2970894855
n×2
40843368
n×3
61265052
n×4
81686736
n×5
102108420
n÷2
10210842
n÷3
6807228
n÷3
5105421
n÷5
4084336.8
n2
417045177395856
n3
8.5167648265021E+21
n4
1.7392667998914E+29
n5
3.5518756979074E+36
2 √n
4519.0357378538
3 √n
273.3362198122
4 √n
67.223773606172
5 √n
28.974657455749
1 , 2 , 3 , 4 , 6 , 12 , 631 , 1262 , 1893 , 2524 , 2697 , 3786 , 5394 , 7572 , 8091 , 10788 , 16182 , 32364 , 1701807 , 3403614 , 5105421 , 6807228 , 10210842 , 20421684
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
-20421683
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 20421684 can be divided by 24 positive divisors.
The sum of these divisors (counting 20421684) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101111001110000110100
3
Ternary
1102102112021200
4
Quaternary
1031321300310
5
Quinary
20211443214
6
Senary
2005412500
8
Octal
115716064
10
Decimal
20421684
12
Duodecimal
6a0a130
16
Hexadecimal
1379c34
20
Vigesimal
67ce44
36
Base36
c5ph0
md5
278038218d0cbecf0bf1b07f31cea392
sha1
65655d58a19b6946de6f1499542dc61cec0bbd25
sha256
e39edb813dd6a54c42b6d603cb368c29fd201a9937452d6adb4916e162b4a94e
sha512
1105b512d16b95b46b24edb674b6a8051eeeec89f4968db7346dd7f7df9b8af1fb01611852f3fa87210c84cc89dff5abb87cd6d078f8fb43a11b70e9f74afb84
ripemd-160
e00b52fc7ccc0b3f55f40d445b1b56746bd86414
Diameter
40843368
Circumference
128313224.85666
Area
1.3101860655219E+15
Volume
3.5674941081721E+22
Surface area
5.2407442620875E+15
Circumference
128313224.85666
Perimeter
81686736
Area
417045177395856
Diagonal
28880622.479298
Surface area
2502271064375136
Volume
8.5167648265021E+21
Space diagonal
35371394.264116
Perimeter
61265052
Area
1.805858590753E+14
Altitude
17685697.132058
Surface area
1.805858590753E+14
Volume
1.0037103604318E+21
Height
9626874.1597659