18081311 is an odd 8-digits prime number following 18081310
and preceding 18081312 . In scientific notation, it is written as 1.8081311 × 10^7.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 18081310 positive integers (up to 18081311) that are relatively prime to 18081311.
18081311 has 2 divisors, whose sum is 18081312
The reverse of 18081311 is 11318081
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
eighteen million eighty-one thousand three hundred eleven
Scientific notation
1.8081311 × 10^7
Engineering notation
1.8081311 × 10^6
Prime Factorization
18081311
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
18081311
Product of the distinct prime numbers
The prime factorization of 18081311 is 18081311.
Since it has a total of 1 prime factors.
4 , 5 , 60 , 92 , 439 , 155 , 2435 , 9859 , 85895 , 69199 , 226269 , 409421 , 2176941 , 6509142 , 41717269 , 23975216 , 774306656 , 800846957 , 1300905608 , 7519844961
n×2
36162622
n×3
54243933
n×4
72325244
n×5
90406555
n÷2
9040655.5
n÷3
6027103.6666667
n÷3
4520327.75
n÷5
3616262.2
n2
326933807478721
n3
5.9113918494369E+21
n4
1.0688571447253E+29
n5
1.9326338448351E+36
2 √n
4252.2124829317
3 √n
262.46816726611
4 √n
65.208990813627
5 √n
28.277823746678
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
18081312
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9040656
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4252.2126005175
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998893886
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18081311 can be divided by 2 positive divisors.
The sum of these divisors (counting 18081311) is 18081312, the average is 9040656.
Base
System
Value
2
Binary
1000100111110011000011111
3
Ternary
1021000121220012
4
Quaternary
1010332120133
5
Quinary
14112100221
6
Senary
1443313435
8
Octal
104763037
10
Decimal
18081311
12
Duodecimal
607b87b
16
Hexadecimal
113e61f
20
Vigesimal
5d035b
36
Base36
arjmn
md5
bcdeb3c7c08aba05ac0e8c4ec194322e
sha1
73172cb22e268ba4bab42fb8ad398fd9e9c0f4b5
sha256
147f5ef9e07c8e5ff92061b0b9d7dd5cb563e42684d6f85f8a8de7bc3d0ebcdc
sha512
af2fae29f1cdbe15ac050089c0712b20b1742b8b99690c8dce5a5dbe3876feadc82b1e68b325774683f7ea3b20ec1e6e185439a6387caf303897cebafdda3944
ripemd-160
1fb3b9d4702c336bc2d9c1b7409ab8adff64e5be
Diameter
36162622
Circumference
113608227.60974
Area
1.0270928477853E+15
Volume
2.4761580275575E+22
Surface area
4.1083713911412E+15
Circumference
113608227.60974
Perimeter
72325244
Area
326933807478721
Diagonal
25570835.241686
Surface area
1961602844872326
Volume
5.9113918494369E+21
Space diagonal
31317749.319454
Perimeter
54243933
Area
1.4156649131627E+14
Altitude
15658874.659727
Surface area
1.4156649131627E+14
Volume
6.9666421049795E+20
Height
8523611.7472286