18081311 (number)

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.

Interesting facts

Basic properties

Name

Name eighteen million eighty-one thousand three hundred eleven

Notation

Scientific notation 1.8081311 × 10^7
Engineering notation 1.8081311 × 10^6

Prime Factorization of 18081311

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.

Most popular turbo-numbers

Basic calculations (n = 18081311)

Multiplication

n×y
n×2 36162622
n×3 54243933
n×4 72325244
n×5 90406555

Division

n÷y
n÷2 9040655.5
n÷3 6027103.6666667
n÷3 4520327.75
n÷5 3616262.2

Exponentiation

ny
n2 326933807478721
n3 5.9113918494369E+21
n4 1.0688571447253E+29
n5 1.9326338448351E+36

Nth Root

y√n
2√n 4252.2124829317
3√n 262.46816726611
4√n 65.208990813627
5√n 28.277823746678

Divisors of 18081311

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 conversion 18081311

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

Cryptographic Hash Functions

md5 bcdeb3c7c08aba05ac0e8c4ec194322e
sha1 73172cb22e268ba4bab42fb8ad398fd9e9c0f4b5
sha256 147f5ef9e07c8e5ff92061b0b9d7dd5cb563e42684d6f85f8a8de7bc3d0ebcdc
sha512 af2fae29f1cdbe15ac050089c0712b20b1742b8b99690c8dce5a5dbe3876feadc82b1e68b325774683f7ea3b20ec1e6e185439a6387caf303897cebafdda3944
ripemd-160 1fb3b9d4702c336bc2d9c1b7409ab8adff64e5be

18081311 as geometric shapes

Circle

Radius = n
Diameter 36162622
Circumference 113608227.60974
Area 1.0270928477853E+15

Sphere

Radius = n
Volume 2.4761580275575E+22
Surface area 4.1083713911412E+15
Circumference 113608227.60974

Square

Length = n
Perimeter 72325244
Area 326933807478721
Diagonal 25570835.241686

Cube

Length = n
Surface area 1961602844872326
Volume 5.9113918494369E+21
Space diagonal 31317749.319454

Equilateral Triangle

Length = n
Perimeter 54243933
Area 1.4156649131627E+14
Altitude 15658874.659727

Triangular Pyramid

Length = n
Surface area 1.4156649131627E+14
Volume 6.9666421049795E+20
Height 8523611.7472286