18218982 (number)

18218982 is an even 8-digits composite number following 18218981 and preceding 18218983. In scientific notation, it is written as 1.8218982 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 6072992 positive integers (up to 18218982) that are relatively prime to 18218982.

Interesting facts

Basic properties

Name

Name eighteen million two hundred eighteen thousand nine hundred eighty-two

Notation

Scientific notation 1.8218982 × 10^7
Engineering notation 1.8218982 × 10^6

Prime Factorization of 18218982

Prime Factorization 2 × 3 × 3036497

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18218982
Product of the distinct prime numbers

The prime factorization of 18218982 is 2 × 3 × 3036497. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18218982)

Multiplication

n×y
n×2 36437964
n×3 54656946
n×4 72875928
n×5 91094910

Division

n÷y
n÷2 9109491
n÷3 6072994
n÷3 4554745.5
n÷5 3643796.4

Exponentiation

ny
n2 331931305116324
n3 6.0474504731508E+21
n4 1.1017839131623E+29
n5 2.0073381281793E+36

Nth Root

y√n
2√n 4268.3699464784
3√n 263.13262742524
4√n 65.33276319335
5√n 28.320754632931

Divisors of 18218982

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 -18218981
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 18218982 can be divided by 8 positive divisors. The sum of these divisors (counting 18218982) is 1, the average is 0.125.

Base conversion 18218982

Base System Value
2 Binary 1000101011111111111100110
3 Ternary 1021021121202010
4 Quaternary 1011133333212
5 Quinary 14131001412
6 Senary 1450255050
8 Octal 105377746
10 Decimal 18218982
12 Duodecimal 6127486
16 Hexadecimal 115ffe6
20 Vigesimal 5dh792
36 Base36 auhuu

Cryptographic Hash Functions

md5 e2128eeeef08f82428893212203b30bf
sha1 89fd2dfc056dc433f8e8a07c7da2891fb0f3acc9
sha256 2dcf8f0e18e35b8addbc5d965de4632036e89218cbef2db91d444450c1123fc9
sha512 142de5e30a0572be04db0831010477454d06b319b051b774d2d2dd94f9e7bab6db93b4f97abe5f5f8f3a91b1ce72c741579142da4f0cfabe4433d97e8e7c210b
ripemd-160 cca6f275dea9f5148a753e73a59c2f63fc7e61ad

18218982 as geometric shapes

Circle

Radius = n
Diameter 36437964
Circumference 114473240.01417
Area 1.0427929496499E+15

Sphere

Radius = n
Volume 2.5331501305865E+22
Surface area 4.1711717985997E+15
Circumference 114473240.01417

Square

Length = n
Perimeter 72875928
Area 331931305116324
Diagonal 25765531.437031

Cube

Length = n
Surface area 1991587830697944
Volume 6.0474504731508E+21
Space diagonal 31556202.486183

Equilateral Triangle

Length = n
Perimeter 54656946
Area 1.4373047127103E+14
Altitude 15778101.243091

Triangular Pyramid

Length = n
Surface area 1.4373047127103E+14
Volume 7.1269887307579E+20
Height 8588510.4790104