18081513 (number)

18081513 is an odd 8-digits composite number following 18081512 and preceding 18081514. In scientific notation, it is written as 1.8081513 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 12006936 positive integers (up to 18081513) that are relatively prime to 18081513.

Interesting facts

Basic properties

Name

Name eighteen million eighty-one thousand five hundred thirteen

Notation

Scientific notation 1.8081513 × 10^7
Engineering notation 1.8081513 × 10^6

Prime Factorization of 18081513

Prime Factorization 3 × 3 × 263 × 7639

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6027171
Product of the distinct prime numbers

The prime factorization of 18081513 is 3 × 3 × 263 × 7639. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 8, 49, 70, 218, 129, 2652, 3059, 93191, 5908, 131442, 83298, 6581873, 4623806, 99788628, 43674426, 319397899, 638335821, 9693923481, 6094198782

Basic calculations (n = 18081513)

Multiplication

n×y
n×2 36163026
n×3 54244539
n×4 72326052
n×5 90407565

Division

n÷y
n÷2 9040756.5
n÷3 6027171
n÷3 4520378.25
n÷5 3616302.6

Exponentiation

ny
n2 326941112369169
n3 5.9115899735376E+21
n4 1.0689049095719E+29
n5 1.9327418018188E+36

Nth Root

y√n
2√n 4252.2362352061
3√n 262.4691446726
4√n 65.209172937602
5√n 28.277886928987

Divisors of 18081513

1, 3, 9, 263, 789, 2367, 7639, 22917, 68751, 2009057, 6027171, 18081513

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18081512
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18081513 can be divided by 12 positive divisors. The sum of these divisors (counting 18081513) is 1, the average is 0.083333333333333.

Base conversion 18081513

Base System Value
2 Binary 1000100111110011011101001
3 Ternary 1021000122011200
4 Quaternary 1010332123221
5 Quinary 14112102023
6 Senary 1443314413
8 Octal 104763351
10 Decimal 18081513
12 Duodecimal 607ba09
16 Hexadecimal 113e6e9
20 Vigesimal 5d03fd
36 Base36 arjs9

Cryptographic Hash Functions

md5 fadc10a6111871d8dd93d26f8fcffb9a
sha1 b94444d807d044f177ed0a7160744ee8b47680ba
sha256 bf3e351ac46a196986baf8afba70b0ef758a809750ab4d74f0cd58619299c534
sha512 903bb0ff66fdaf141ef002fa00bb01cadbc572f307021bdedeb542112c1722c74122aa6b589dcde26b506fd96d664676be50d22fb8084c6c0fc874366da8eec6
ripemd-160 ac8931ff7a3886b6b4dbb4243620581d3512920d

18081513 as geometric shapes

Circle

Radius = n
Diameter 36163026
Circumference 113609496.81318
Area 1.0271157967755E+15

Sphere

Radius = n
Volume 2.4762410175868E+22
Surface area 4.1084631871018E+15
Circumference 113609496.81318

Square

Length = n
Perimeter 72326052
Area 326941112369169
Diagonal 25571120.912825

Cube

Length = n
Surface area 1961646674215014
Volume 5.9115899735376E+21
Space diagonal 31318099.193717

Equilateral Triangle

Length = n
Perimeter 54244539
Area 1.4156965442662E+14
Altitude 15659049.596859

Triangular Pyramid

Length = n
Surface area 1.4156965442662E+14
Volume 6.9668755964714E+20
Height 8523706.9709418