18121018 (number)

18121018 is an even 8-digits composite number following 18121017 and preceding 18121019. In scientific notation, it is written as 1.8121018 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 8889504 positive integers (up to 18121018) that are relatively prime to 18121018.

Interesting facts

Basic properties

Name

Name eighteen million one hundred twenty-one thousand eighteen

Notation

Scientific notation 1.8121018 × 10^7
Engineering notation 1.8121018 × 10^6

Prime Factorization of 18121018

Prime Factorization 2 × 53 × 170953

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18121018
Product of the distinct prime numbers

The prime factorization of 18121018 is 2 × 53 × 170953. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18121018)

Multiplication

n×y
n×2 36242036
n×3 54363054
n×4 72484072
n×5 90605090

Division

n÷y
n÷2 9060509
n÷3 6040339.3333333
n÷3 4530254.5
n÷5 3624203.6

Exponentiation

ny
n2 328371293356324
n3 5.9504221175932E+21
n4 1.078277063005E+29
n5 1.9539478067702E+36

Nth Root

y√n
2√n 4256.87890361
3√n 262.66015563007
4√n 65.244761503204
5√n 28.290232609535

Divisors of 18121018

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 -18121017
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 18121018 can be divided by 8 positive divisors. The sum of these divisors (counting 18121018) is 1, the average is 0.125.

Base conversion 18121018

Base System Value
2 Binary 1000101001000000100111010
3 Ternary 1021002122100211
4 Quaternary 1011020010322
5 Quinary 14114333033
6 Senary 1444221334
8 Octal 105100472
10 Decimal 18121018
12 Duodecimal 609a84a
16 Hexadecimal 114813a
20 Vigesimal 5d52ai
36 Base36 ase9m

Cryptographic Hash Functions

md5 afd4d4b2cc8804ec7c50c038db4b5cfe
sha1 1e58c2020e398e86f3ecbcdd0bb041694e23f358
sha256 679c035c40512009fb0d2dee7db7993cf1ebbb6a0f15ce52b245ce9cceae26ad
sha512 3eab6ea2c455f122ff0d7a67124a0826f2c35f4e45d6af7234f39228df8b4a9f591e72e8f1366d5813d595689895c2938568a62041ef4238b2735fefcbab4d36
ripemd-160 e04547e500c9361f416683d0a42d474155aa4355

18121018 as geometric shapes

Circle

Radius = n
Diameter 36242036
Circumference 113857714.04874
Area 1.031608842858E+15

Sphere

Radius = n
Volume 2.4925069880519E+22
Surface area 4.126435371432E+15
Circumference 113857714.04874

Square

Length = n
Perimeter 72484072
Area 328371293356324
Diagonal 25626989.419607

Cube

Length = n
Surface area 1970227760137944
Volume 5.9504221175932E+21
Space diagonal 31386523.86087

Equilateral Triangle

Length = n
Perimeter 54363054
Area 1.4218894096006E+14
Altitude 15693261.930435

Triangular Pyramid

Length = n
Surface area 1.4218894096006E+14
Volume 7.012639717121E+20
Height 8542329.8065357