18218900 (number)

18218900 is an even 8-digits composite number following 18218899 and preceding 18218901. In scientific notation, it is written as 1.8218900 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors. There are 5875200 positive integers (up to 18218900) that are relatively prime to 18218900.

Interesting facts

Basic properties

Name

Name eighteen million two hundred eighteen thousand nine hundred

Notation

Scientific notation 1.8218900 × 10^7
Engineering notation 1.8218900 × 10^6

Prime Factorization of 18218900

Prime Factorization 2 × 2 × 25 × 119 × 1531

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9109450
Product of the distinct prime numbers

The prime factorization of 18218900 is 2 × 2 × 25 × 119 × 1531. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18218900)

Multiplication

n×y
n×2 36437800
n×3 54656700
n×4 72875600
n×5 91094500

Division

n÷y
n÷2 9109450
n÷3 6072966.6666667
n÷3 4554725
n÷5 3643780

Exponentiation

ny
n2 331928317210000
n3 6.0473688184173E+21
n4 1.1017640776586E+29
n5 2.0072929554455E+36

Nth Root

y√n
2√n 4268.3603409272
3√n 263.13223265551
4√n 65.332689680796
5√n 28.320729139673

Divisors of 18218900

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18218899
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18218900 can be divided by 24 positive divisors. The sum of these divisors (counting 18218900) is 1, the average is 0.041666666666667.

Base conversion 18218900

Base System Value
2 Binary 1000101011111111110010100
3 Ternary 1021021121122002
4 Quaternary 1011133332110
5 Quinary 14131001100
6 Senary 1450254432
8 Octal 105377624
10 Decimal 18218900
12 Duodecimal 6127418
16 Hexadecimal 115ff94
20 Vigesimal 5dh750
36 Base36 auhsk

Cryptographic Hash Functions

md5 4c608255ca5b49d143a57cd446d7651d
sha1 ac8a193f615ff780c3f401e34fb2ad8ad27b068d
sha256 62fa106639ee2e418b1ba8f6aa3e0576aa0ca6f70a47bc22aeae8ff3da67177f
sha512 6f2010d703e3f8fc7ab04dd64902a60cea85d47cf9fd61ad8bf448a1d89b6b489f438f68fc38949e7bcdda05369a90a388d4e3e80e816cf2761defced3dd0e83
ripemd-160 ae7823fb2f1c840eafd8b2a423dcdc8816f1ccf2

18218900 as geometric shapes

Circle

Radius = n
Diameter 36437800
Circumference 114472724.79297
Area 1.0427835628654E+15

Sphere

Radius = n
Volume 2.5331159271317E+22
Surface area 4.1711342514614E+15
Circumference 114472724.79297

Square

Length = n
Perimeter 72875600
Area 331928317210000
Diagonal 25765415.471519

Cube

Length = n
Surface area 1991569903260000
Volume 6.0473688184173E+21
Space diagonal 31556060.458017

Equilateral Triangle

Length = n
Perimeter 54656700
Area 1.4372917746964E+14
Altitude 15778030.229008

Triangular Pyramid

Length = n
Surface area 1.4372917746964E+14
Volume 7.1268924997316E+20
Height 8588471.8238397