20028081 is an odd 8-digits composite number following 20028080
and preceding 20028082 . In scientific notation, it is written as 2.0028081 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 13125632 positive integers (up to 20028081) that are relatively prime to 20028081.
20028081 has 8 divisors, whose sum is 27156960
The reverse of 20028081 is 18082002
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million twenty-eight thousand eighty-one
Scientific notation
2.0028081 × 10^7
Engineering notation
2.0028081 × 10^6
Prime Factorization
3 × 59 × 113153
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20028081
Product of the distinct prime numbers
The prime factorization of 20028081 is 3 × 59 × 113153.
Since it has a total of 3 prime factors.
4 , 2 , 51 , 3 , 156 , 496 , 717 , 7101 , 26025 , 33085 , 949135 , 982348 , 7350184 , 6184466 , 37783678 , 4922588 , 392310149 , 518011694 , 6644017760 , 2178555842
n×2
40056162
n×3
60084243
n×4
80112324
n×5
100140405
n÷2
10014040.5
n÷3
6676027
n÷3
5007020.25
n÷5
4005616.2
n2
401124028542561
n3
8.0337445346967E+21
n4
1.6090048627421E+29
n5
3.2225279720393E+36
2 √n
4475.2744049946
3 √n
271.56874151782
4 √n
66.897491769084
5 √n
28.862096062664
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
-20028080
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 20028081 can be divided by 8 positive divisors.
The sum of these divisors (counting 20028081) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100011001101010110001
3
Ternary
1101200112100210
4
Quaternary
1030121222301
5
Quinary
20111344311
6
Senary
1553134333
8
Octal
114315261
10
Decimal
20028081
12
Duodecimal
685a3a9
16
Hexadecimal
1319ab1
20
Vigesimal
653a41
36
Base36
bx9rl
md5
00b7eba6c1856fc1ba15eb7151ac2bfd
sha1
1a191cf8ff9678dab2e1c25b065649a24bac14e0
sha256
b345541271b58d520a4e37046c8d8803daa901688634ce7f44e0ac742dbb4b67
sha512
d2a127308477b2ef1107762c412afdac4363a9cdf7dcee5733e24eebc5c9fbcb998950909380db82f64c3272d7da744d5a6a46fb4d86d394cc72f1c7fc6742f0
ripemd-160
78e1f6c3b22f76f96d94f9e4711edd21ab6d78e8
Diameter
40056162
Circumference
125840144.2702
Area
1.2601683012477E+15
Volume
3.3651670414694E+22
Surface area
5.0406732049906E+15
Circumference
125840144.2702
Perimeter
80112324
Area
401124028542561
Diagonal
28323983.778507
Surface area
2406744171255366
Volume
8.0337445346967E+21
Space diagonal
34689653.870105
Perimeter
60084243
Area
1.7369179939311E+14
Altitude
17344826.935052
Surface area
1.7369179939311E+14
Volume
9.4678587313407E+20
Height
9441327.926169