18082018 (number)

18082018 is an even 8-digits composite number following 18082017 and preceding 18082019. In scientific notation, it is written as 1.8082018 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 9030516 positive integers (up to 18082018) that are relatively prime to 18082018.

Interesting facts

Basic properties

Name

Name eighteen million eighty-two thousand eighteen

Notation

Scientific notation 1.8082018 × 10^7
Engineering notation 1.8082018 × 10^6

Prime Factorization of 18082018

Prime Factorization 2 × 947 × 9547

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18082018
Product of the distinct prime numbers

The prime factorization of 18082018 is 2 × 947 × 9547. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18082018)

Multiplication

n×y
n×2 36164036
n×3 54246054
n×4 72328072
n×5 90410090

Division

n÷y
n÷2 9041009
n÷3 6027339.3333333
n÷3 4520504.5
n÷5 3616403.6

Exponentiation

ny
n2 326959374952324
n3 5.9120853031567E+21
n4 1.0690243286921E+29
n5 1.9330117153849E+36

Nth Root

y√n
2√n 4252.2956153118
3√n 262.47158815699
4√n 65.209628240865
5√n 28.278044882288

Divisors of 18082018

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 -18082017
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 18082018 can be divided by 8 positive divisors. The sum of these divisors (counting 18082018) is 1, the average is 0.125.

Base conversion 18082018

Base System Value
2 Binary 1000100111110100011100010
3 Ternary 1021000122212101
4 Quaternary 1010332203202
5 Quinary 14112111033
6 Senary 1443321014
8 Octal 104764342
10 Decimal 18082018
12 Duodecimal 608016a
16 Hexadecimal 113e8e2
20 Vigesimal 5d050i
36 Base36 ark6a

Cryptographic Hash Functions

md5 e0b79510bea7e4fde4d335151666a382
sha1 255469c1dd970474b48358076734bba7afa95256
sha256 43c1992b921b7aea2753791ef53fb36948af92511c1385997d1ac7b60a35b943
sha512 0261ecb140ab6ff8a202d95fa1772026c00c6b61ad93b953142f9d5d2ffbf35d8be95acd655a525d125e313bb361bf0a83f2cb80a522b58f8fca2323c50e1541
ripemd-160 686471e96474b186481e8371c052edf2ed9742ed

18082018 as geometric shapes

Circle

Radius = n
Diameter 36164036
Circumference 113612669.82176
Area 1.0271731703725E+15

Sphere

Radius = n
Volume 2.4764485007724E+22
Surface area 4.1086926814901E+15
Circumference 113612669.82176

Square

Length = n
Perimeter 72328072
Area 326959374952324
Diagonal 25571835.090674

Cube

Length = n
Surface area 1961756249713944
Volume 5.9120853031567E+21
Space diagonal 31318973.879375

Equilateral Triangle

Length = n
Perimeter 54246054
Area 1.415775623571E+14
Altitude 15659486.939687

Triangular Pyramid

Length = n
Surface area 1.415775623571E+14
Volume 6.9674593480257E+20
Height 8523945.0302248