20721884 is an even 8-digits composite number following 20721883
and preceding 20721885 . In scientific notation, it is written as 2.0721884 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 6 positive divisors.
There are 10360940 positive integers (up to 20721884) that are relatively prime to 20721884.
20721884 has 6 divisors, whose sum is 36263304
The reverse of 20721884 is 48812702
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million seven hundred twenty-one thousand eight hundred eighty-four
Scientific notation
2.0721884 × 10^7
Engineering notation
2.0721884 × 10^6
Prime Factorization
2 × 2 × 5180471
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10360942
Product of the distinct prime numbers
The prime factorization of 20721884 is 2 × 2 × 5180471.
Since it has a total of 3 prime factors.
6 , 1 , 79 , 1 , 288 , 1000 , 5402 , 6479 , 55373 , 17040 , 733646 , 216618 , 63707 , 2670349 , 63940781 , 27934208 , 250094632 , 133268992 , 3796087966 , 3450736693
n×2
41443768
n×3
62165652
n×4
82887536
n×5
103609420
n÷2
10360942
n÷3
6907294.6666667
n÷3
5180471
n÷5
4144376.8
n2
429396476509456
n3
8.8979039762377E+21
n4
1.8438133403874E+29
n5
3.8207286157159E+36
2 √n
4552.1296115115
3 √n
274.66906306494
4 √n
67.469471700255
5 √n
29.05934678011
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20721883
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20721884 can be divided by 6 positive divisors.
The sum of these divisors (counting 20721884) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001111000011000011011100
3
Ternary
1102222210002012
4
Quaternary
1033003003130
5
Quinary
20301100014
6
Senary
2020050352
8
Octal
117030334
10
Decimal
20721884
12
Duodecimal
6b339b8
16
Hexadecimal
13c30dc
20
Vigesimal
69a4e4
36
Base36
cc53w
md5
2b187de4f56e0050ae2a58df9d54c5d3
sha1
e90b0456e44cb4baf57bee815df75beb7328146b
sha256
d648286c426441b7dd8adcd62dfce216c7c39b49fa33c80ad6ec4f7cc9b3c0aa
sha512
78fb115838297e6fbf1f43d68f1b39162ae9e9da9c5b86b893080b1e6bc25c32b381f71a753ec246f7f7b7247417faa84c7631da14c9e3bae275f704e053dc73
ripemd-160
f326b7addf76dd17a99fcea9a477e9e21e9a48a6
Diameter
41443768
Circumference
130199437.08588
Area
1.3489888160794E+15
Volume
3.7271453018794E+22
Surface area
5.3959552643178E+15
Circumference
130199437.08588
Perimeter
82887536
Area
429396476509456
Diagonal
29305169.390722
Surface area
2576378859056736
Volume
8.8979039762377E+21
Space diagonal
35891355.916549
Perimeter
62165652
Area
1.8593412847636E+14
Altitude
17945677.958274
Surface area
1.8593412847636E+14
Volume
1.0486280399907E+21
Height
9768389.7969073