18072009 is an odd 8-digits composite number following 18072008
and preceding 18072010 . In scientific notation, it is written as 1.8072009 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 12023424 positive integers (up to 18072009) that are relatively prime to 18072009.
18072009 has 8 divisors, whose sum is 20121000
The reverse of 18072009 is 90027081
Previous prime number is 3529
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighteen million seventy-two thousand nine
Scientific notation
1.8072009 × 10^7
Engineering notation
1.8072009 × 10^6
Prime Factorization
9 × 3529 × 569
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18072009
Product of the distinct prime numbers
The prime factorization of 18072009 is 9 × 3529 × 569.
Since it has a total of 3 prime factors.
3 , 1 , 61 , 99 , 484 , 617 , 3264 , 4158 , 15634 , 13809 , 800477 , 958629 , 4219604 , 6562092 , 89372455 , 40508067 , 825620880 , 746072769 , 432095615 , 5695189938
n×2
36144018
n×3
54216027
n×4
72288036
n×5
90360045
n÷2
9036004.5
n÷3
6024003
n÷3
4518002.25
n÷5
3614401.8
n2
326597509296081
n3
5.9022731273764E+21
n4
1.066659330784E+29
n5
1.9276677025863E+36
2 √n
4251.1185586855
3 √n
262.42315029273
4 √n
65.200602441124
5 √n
28.274913620725
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
-18072008
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 18072009 can be divided by 8 positive divisors.
The sum of these divisors (counting 18072009) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000100111100000111001001
3
Ternary
1021000011010200
4
Quaternary
1010330013021
5
Quinary
14111301014
6
Senary
1443202413
8
Octal
104740711
10
Decimal
18072009
12
Duodecimal
6076409
16
Hexadecimal
113c1c9
20
Vigesimal
5cj009
36
Base36
arcg9
md5
2089d67c566a7704c7b481c906a0c05f
sha1
c86a95447d787a040e350a11f1b40654426b08e5
sha256
58e7f7dd973ca2234433709ad45c6b260f9f312a0334b2bacb0398f75ed1bad1
sha512
8aa171820594fcd3f9238c8569b9c21ef031b493ab9c201eef1e65189732e97198c1adab0cabe5693d24afc165615118ff9e9ee62ae194559639f85bf23c3d6e
ripemd-160
f4c4272bbb8f5ec67f0f39b220f04fceed6958d7
Diameter
36144018
Circumference
113549781.42002
Area
1.0260363358853E+15
Volume
2.4723383861928E+22
Surface area
4.1041453435412E+15
Circumference
113549781.42002
Perimeter
72288036
Area
326597509296081
Diagonal
25557680.227129
Surface area
1959585055776486
Volume
5.9022731273764E+21
Space diagonal
31301637.782842
Perimeter
54216027
Area
1.4142086993157E+14
Altitude
15650818.891421
Surface area
1.4142086993157E+14
Volume
6.9558955879716E+20
Height
8519226.7423762