18189218 (number)

18189218 is an even 8-digits composite number following 18189217 and preceding 18189219. In scientific notation, it is written as 1.8189218 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 8517696 positive integers (up to 18189218) that are relatively prime to 18189218.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8189218 × 10^7
Engineering notation 1.8189218 × 10^6

Prime Factorization of 18189218

Prime Factorization 2 × 17 × 223 × 2399

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18189218
Product of the distinct prime numbers

The prime factorization of 18189218 is 2 × 17 × 223 × 2399. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 1, 40, 88, 684, 289, 1711, 2117, 40018, 93620, 311651, 438113, 6653407, 3527637, 12899809, 82386607, 221681393, 799172399, 5481389431, 9598925953

Basic calculations (n = 18189218)

Multiplication

n×y
n×2 36378436
n×3 54567654
n×4 72756872
n×5 90946090

Division

n÷y
n÷2 9094609
n÷3 6063072.6666667
n÷3 4547304.5
n÷5 3637843.6

Exponentiation

ny
n2 330847651451524
n3 6.0178600570398E+21
n4 1.0946016847099E+29
n5 1.9909948666355E+36

Nth Root

y√n
2√n 4264.8819444388
3√n 262.98925775494
4√n 65.306063611573
5√n 28.311495165869

Divisors of 18189218

1, 2, 17, 34, 223, 446, 2399, 3791, 4798, 7582, 40783, 81566, 534977, 1069954, 9094609, 18189218

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18189217
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18189218 can be divided by 16 positive divisors. The sum of these divisors (counting 18189218) is 1, the average is 0.0625.

Base conversion 18189218

Base System Value
2 Binary 1000101011000101110100010
3 Ternary 1021020002220202
4 Quaternary 1011120232202
5 Quinary 14124023333
6 Senary 1445505202
8 Octal 105305642
10 Decimal 18189218
12 Duodecimal 6112202
16 Hexadecimal 1158ba2
20 Vigesimal 5ddd0i
36 Base36 atuw2

Cryptographic Hash Functions

md5 0bb4e2f9eb7f79102cc57ed25e969070
sha1 87d3160d96f1d6b6a2bfa1b5ff695135c78f7a01
sha256 12b281800adc7a3623b2adfb188ebab95306e211cb867d690b886ac21a18d1e9
sha512 9b2089ed769ea76f2ece16efc3e361f14491bf97f0574a2193471f643c233abca6ff889bcccf9643614014168c420d2e8aaa9ff6fdd44f5362923cf54e888329
ripemd-160 96320e71b33ce581275023d0348aad2b7f12bb85

18189218 as geometric shapes

Circle

Radius = n
Diameter 36378436
Circumference 114286227.28669
Area 1.0393885512575E+15

Sphere

Radius = n
Volume 2.5207553260704E+22
Surface area 4.1575542050302E+15
Circumference 114286227.28669

Square

Length = n
Perimeter 72756872
Area 330847651451524
Diagonal 25723438.784561

Cube

Length = n
Surface area 1985085908709144
Volume 6.0178600570398E+21
Space diagonal 31504649.725946

Equilateral Triangle

Length = n
Perimeter 54567654
Area 1.4326123546972E+14
Altitude 15752324.862973

Triangular Pyramid

Length = n
Surface area 1.4326123546972E+14
Volume 7.0921160909408E+20
Height 8574479.5948536