18189868 (number)

18189868 is an even 8-digits composite number following 18189867 and preceding 18189869. In scientific notation, it is written as 1.8189868 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 6 positive divisors. There are 9094932 positive integers (up to 18189868) that are relatively prime to 18189868.

Interesting facts

Basic properties

Name

Name eighteen million one hundred eighty-nine thousand eight hundred sixty-eight

Notation

Scientific notation 1.8189868 × 10^7
Engineering notation 1.8189868 × 10^6

Prime Factorization of 18189868

Prime Factorization 2 × 2 × 4547467

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 9094934
Product of the distinct prime numbers

The prime factorization of 18189868 is 2 × 2 × 4547467. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18189868)

Multiplication

n×y
n×2 36379736
n×3 54569604
n×4 72759472
n×5 90949340

Division

n÷y
n÷2 9094934
n÷3 6063289.3333333
n÷3 4547467
n÷5 3637973.6

Exponentiation

ny
n2 330871297857424
n3 6.0185052330152E+21
n4 1.0947581574586E+29
n5 1.9913506376094E+36

Nth Root

y√n
2√n 4264.9581475086
3√n 262.99239039797
4√n 65.306647039246
5√n 28.311697507815

Divisors of 18189868

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18189867
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18189868 can be divided by 6 positive divisors. The sum of these divisors (counting 18189868) is 1, the average is 0.16666666666667.

Base conversion 18189868

Base System Value
2 Binary 1000101011000111000101100
3 Ternary 1021020010210211
4 Quaternary 1011120320230
5 Quinary 14124033433
6 Senary 1445512204
8 Octal 105307054
10 Decimal 18189868
12 Duodecimal 6112664
16 Hexadecimal 1158e2c
20 Vigesimal 5dded8
36 Base36 atve4

Cryptographic Hash Functions

md5 f2126555e221822575364e100a6c1827
sha1 8204b110964c2762d85905eae649148d47922b0f
sha256 a1a401e7995008d2abb139fd3227859935f02c50e5200743e2c40c8240664309
sha512 767e6ad669ff805f7caab77d7b7d962e85a2ad323fa88b2b54c33b1e94014ab26ffb825e0635d8deee94ff73b0086340d18535e3aa1291acceaa06b0900a09ac
ripemd-160 450f2f0d5c3264123fbd477333b8dd46ea8734ca

18189868 as geometric shapes

Circle

Radius = n
Diameter 36379736
Circumference 114290311.35714
Area 1.0394628386326E+15

Sphere

Radius = n
Volume 2.521025576751E+22
Surface area 4.1578513545304E+15
Circumference 114290311.35714

Square

Length = n
Perimeter 72759472
Area 330871297857424
Diagonal 25724358.023376

Cube

Length = n
Surface area 1985227787144544
Volume 6.0185052330152E+21
Space diagonal 31505775.558971

Equilateral Triangle

Length = n
Perimeter 54569604
Area 1.4327147466383E+14
Altitude 15752887.779486

Triangular Pyramid

Length = n
Surface area 1.4327147466383E+14
Volume 7.0928764381196E+20
Height 8574786.0077921