20405982 is an even 8-digits composite number following 20405981
and preceding 20405983 . In scientific notation, it is written as 2.0405982 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6708672 positive integers (up to 20405982) that are relatively prime to 20405982.
20405982 has 16 divisors, whose sum is 41371920
The reverse of 20405982 is 28950402
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million four hundred five thousand nine hundred eighty-two
Scientific notation
2.0405982 × 10^7
Engineering notation
2.0405982 × 10^6
Prime Factorization
2 × 3 × 73 × 46589
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20405982
Product of the distinct prime numbers
The prime factorization of 20405982 is 2 × 3 × 73 × 46589.
Since it has a total of 4 prime factors.
9 , 5 , 18 , 95 , 944 , 247 , 3486 , 227 , 82781 , 73365 , 885033 , 201168 , 9310590 , 7956999 , 27722269 , 71994830 , 681582264 , 32072436 , 2384973503 , 6137990305
n×2
40811964
n×3
61217946
n×4
81623928
n×5
102029910
n÷2
10202991
n÷3
6801994
n÷3
5101495.5
n÷5
4081196.4
n2
416404101384324
n3
8.4971345975747E+21
n4
1.7339237564969E+29
n5
3.5382416964447E+36
2 √n
4517.2980862458
3 √n
273.26614681532
4 √n
67.21084798041
5 √n
28.970200428
1 , 2 , 3 , 6 , 73 , 146 , 219 , 438 , 46589 , 93178 , 139767 , 279534 , 3400997 , 6801994 , 10202991 , 20405982
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
-20405981
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 20405982 can be divided by 16 positive divisors.
The sum of these divisors (counting 20405982) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110101111011011110
3
Ternary
1102101201202010
4
Quaternary
1031311323132
5
Quinary
20210442412
6
Senary
2005212050
8
Octal
115657336
10
Decimal
20405982
12
Duodecimal
6a01026
16
Hexadecimal
1375ede
20
Vigesimal
67aej2
36
Base36
c5dcu
md5
9dcd7f6a684fc435f6c5e4d39b417ba2
sha1
46a283bf3874b844b2cc135a3cc8b66111fd63dd
sha256
464c6719aafafaa447c683b722661600cabd7c541f071b320681b5a4b24e0566
sha512
047054e5974a232c40ca2d2d0d0024fa465421209c604c45bfeb73b58124e2860af18f87e11f4fc7cc4ade7a70216a22401d52c5f355ed220fcd1554ee9e4d09
ripemd-160
85fb1df01917f62b048b718ff75fb244e470db7c
Diameter
40811964
Circumference
128214566.28097
Area
1.3081720658337E+15
Volume
3.5592714171072E+22
Surface area
5.2326882633346E+15
Circumference
128214566.28097
Perimeter
81623928
Area
416404101384324
Diagonal
28858416.497941
Surface area
2498424608305944
Volume
8.4971345975747E+21
Space diagonal
35344197.602336
Perimeter
61217946
Area
1.8030826501943E+14
Altitude
17672098.801168
Surface area
1.8030826501943E+14
Volume
1.0013969157666E+21
Height
9619472.1659804