20721882 is an even 8-digits composite number following 20721881
and preceding 20721883 . In scientific notation, it is written as 2.0721882 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 6907292 positive integers (up to 20721882) that are relatively prime to 20721882.
20721882 has 8 divisors, whose sum is 41443776
The reverse of 20721882 is 28812702
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million seven hundred twenty-one thousand eight hundred eighty-two
Scientific notation
2.0721882 × 10^7
Engineering notation
2.0721882 × 10^6
Prime Factorization
2 × 3 × 3453647
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20721882
Product of the distinct prime numbers
The prime factorization of 20721882 is 2 × 3 × 3453647.
Since it has a total of 3 prime factors.
9 , 10 , 98 , 40 , 406 , 271 , 6085 , 9858 , 61722 , 86077 , 806108 , 139530 , 8204176 , 3557626 , 5003549 , 63871746 , 328023180 , 764643697 , 8950026638 , 2269713111
n×2
41443764
n×3
62165646
n×4
82887528
n×5
103609410
n÷2
10360941
n÷3
6907294
n÷3
5180470.5
n÷5
4144376.4
n2
429396393621924
n3
8.8979013998591E+21
n4
1.8438126285551E+29
n5
3.820726771903E+36
2 √n
4552.1293918341
3 √n
274.66905422826
4 √n
67.469470072279
5 √n
29.05934621917
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20721881
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20721882 can be divided by 8 positive divisors.
The sum of these divisors (counting 20721882) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111000011000011011010
3
Ternary
1102222210002010
4
Quaternary
1033003003122
5
Quinary
20301100012
6
Senary
2020050350
8
Octal
117030332
10
Decimal
20721882
12
Duodecimal
6b339b6
16
Hexadecimal
13c30da
20
Vigesimal
69a4e2
36
Base36
cc53u
md5
5173104842fb3a07992dc528d22028d0
sha1
44b00daac631a890d228c34b4b05223d96f2be1f
sha256
b5f32d816f5c6ee9afdb3da0bac49c746fc808aff23cdd1688284301da5de8bc
sha512
7e11d427df11594cac0098e61f691c4615408df7515cf27cf99c85107b190997c0aa549eda3d6c9021b7ae92e424a890a5e5deea1c0338a1f8b763f30c74440b
ripemd-160
46c7b6fc23d24328abfd9d61cef59e589369d206
Diameter
41443764
Circumference
130199424.51951
Area
1.3489885556806E+15
Volume
3.7271442226885E+22
Surface area
5.3959542227224E+15
Circumference
130199424.51951
Perimeter
82887528
Area
429396393621924
Diagonal
29305166.562295
Surface area
2576378361731544
Volume
8.8979013998591E+21
Space diagonal
35891352.452447
Perimeter
62165646
Area
1.85934092585E+14
Altitude
17945676.226223
Surface area
1.85934092585E+14
Volume
1.0486277363616E+21
Height
9768388.8540983