20081790 is an even 8-digits composite number following 20081789
and preceding 20081791 . In scientific notation, it is written as 2.0081790 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 5355072 positive integers (up to 20081790) that are relatively prime to 20081790.
20081790 has 16 divisors, whose sum is 37486512
The reverse of 20081790 is 09718002
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million eighty-one thousand seven hundred ninety
Scientific notation
2.0081790 × 10^7
Engineering notation
2.0081790 × 10^6
Prime Factorization
2 × 27 × 5 × 74377
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20081790
Product of the distinct prime numbers
The prime factorization of 20081790 is 2 × 27 × 5 × 74377.
Since it has a total of 4 prime factors.
7 , 1 , 47 , 1 , 580 , 994 , 787 , 1854 , 10498 , 75242 , 135488 , 831385 , 4154456 , 1583142 , 43201125 , 90776872 , 994454940 , 54029001 , 8995020121 , 2113116203
n×2
40163580
n×3
60245370
n×4
80327160
n×5
100408950
n÷2
10040895
n÷3
6693930
n÷3
5020447.5
n÷5
4016358
n2
403278289604100
n3
8.0985499233887E+21
n4
1.6263337886601E+29
n5
3.2659693613776E+36
2 √n
4481.2710250553
3 √n
271.81127876436
4 √n
66.942296233811
5 √n
28.877559293293
1 , 2 , 5 , 10 , 27 , 54 , 135 , 270 , 74377 , 148754 , 371885 , 743770 , 2008179 , 4016358 , 10040895 , 20081790
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
-20081789
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 20081790 can be divided by 16 positive divisors.
The sum of these divisors (counting 20081790) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100100110110001111110
3
Ternary
1101210021001000
4
Quaternary
1030212301332
5
Quinary
20120104130
6
Senary
1554231130
8
Octal
114466176
10
Decimal
20081790
12
Duodecimal
68854a6
16
Hexadecimal
1326c7e
20
Vigesimal
65a49a
36
Base36
byf7i
md5
6445710c6efca28e7471c57e9630fe13
sha1
e664e796c8acf0acbdf363d27931ff09164f44ed
sha256
58015517c14223e6536c3ea0b7106ddc280452018e64dd086efd4557fcbc1243
sha512
a1bc7536992613d949f7a0dcf6fff32828e250c9cf668b81e203b809c5bfc75841740b11ea499970be6bb6610e3877edc487de587d6a138c9a14511d41d96c4f
ripemd-160
5d4592687c04dac061a005d0f5cee5380ebcc128
Diameter
40163580
Circumference
126177607.86987
Area
1.2669361119725E+15
Volume
3.3923126592064E+22
Surface area
5.06774444789E+15
Circumference
126177607.86987
Perimeter
80327160
Area
403278289604100
Diagonal
28399939.774728
Surface area
2419669737624600
Volume
8.0985499233887E+21
Space diagonal
34782680.586929
Perimeter
60245370
Area
1.7462462179594E+14
Altitude
17391340.293464
Surface area
1.7462462179594E+14
Volume
9.5442326143433E+20
Height
9466646.5915761