20081290 is an even 8-digits composite number following 20081289
and preceding 20081291 . In scientific notation, it is written as 2.0081290 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors.
There are 7609680 positive integers (up to 20081290) that are relatively prime to 20081290.
20081290 has 16 divisors, whose sum is 38049120
The reverse of 20081290 is 09218002
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million eighty-one thousand two hundred ninety
Scientific notation
2.0081290 × 10^7
Engineering notation
2.0081290 × 10^6
Prime Factorization
2 × 5 × 19 × 105691
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20081290
Product of the distinct prime numbers
The prime factorization of 20081290 is 2 × 5 × 19 × 105691.
Since it has a total of 4 prime factors.
2 , 6 , 97 , 94 , 582 , 852 , 9845 , 8601 , 39139 , 90696 , 939875 , 171772 , 6039721 , 9469101 , 33820026 , 85716979 , 254078512 , 429307111 , 7784092555 , 1562498121
n×2
40162580
n×3
60243870
n×4
80325160
n×5
100406450
n÷2
10040645
n÷3
6693763.3333333
n÷3
5020322.5
n÷5
4016258
n2
403258208064100
n3
8.0979450210155E+21
n4
1.6261718237107E+29
n5
3.2655627981763E+36
2 √n
4481.2152369642
3 √n
271.80902287702
4 √n
66.941879544603
5 √n
28.877415492134
1 , 2 , 5 , 10 , 19 , 38 , 95 , 190 , 105691 , 211382 , 528455 , 1056910 , 2008129 , 4016258 , 10040645 , 20081290
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
-20081289
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 20081290 can be divided by 16 positive divisors.
The sum of these divisors (counting 20081290) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100100110101010001010
3
Ternary
1101210020100111
4
Quaternary
1030212222022
5
Quinary
20120100130
6
Senary
1554224534
8
Octal
114465212
10
Decimal
20081290
12
Duodecimal
688514a
16
Hexadecimal
1326a8a
20
Vigesimal
65a34a
36
Base36
byetm
md5
e7d58e2d3511328cf07658cf8136283e
sha1
ea60e67c8c240b5c0a04df312a4a6cea71970119
sha256
4d4e4a257ee641df4dcdda98334c033068ad6dfd993bb594aadf3fa4ee59244a
sha512
a6decf2080e0b3ce7d068eab878e99846570714f575cb01ac6bc0a2ff5dba65a92e92033d28557d090c0d75e355aa7006f16a8387477616777d4ba4ae5e4d1db
ripemd-160
da09ed18c35013472ad9962e30061368950eff1f
Diameter
40162580
Circumference
126174466.27721
Area
1.266873023954E+15
Volume
3.3920592782929E+22
Surface area
5.0674920958158E+15
Circumference
126174466.27721
Perimeter
80325160
Area
403258208064100
Diagonal
28399232.667947
Surface area
2419549248384600
Volume
8.0979450210155E+21
Space diagonal
34781814.561525
Perimeter
60243870
Area
1.7461592623405E+14
Altitude
17390907.280762
Surface area
1.7461592623405E+14
Volume
9.5435197300599E+20
Height
9466410.8893157