18268538 (number)

18268538 is an even 8-digits composite number following 18268537 and preceding 18268539. In scientific notation, it is written as 1.8268538 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 8570736 positive integers (up to 18268538) that are relatively prime to 18268538.

Interesting facts

Basic properties

Name

Name eighteen million two hundred sixty-eight thousand five hundred thirty-eight

Notation

Scientific notation 1.8268538 × 10^7
Engineering notation 1.8268538 × 10^6

Prime Factorization of 18268538

Prime Factorization 2 × 19 × 107 × 4493

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18268538
Product of the distinct prime numbers

The prime factorization of 18268538 is 2 × 19 × 107 × 4493. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 6, 56, 93, 630, 921, 3532, 5093, 54208, 94050, 872365, 564671, 1856372, 2599334, 46153323, 67249794, 174888458, 367758389, 781135053, 4412377991

Basic calculations (n = 18268538)

Multiplication

n×y
n×2 36537076
n×3 54805614
n×4 73074152
n×5 91342690

Division

n÷y
n÷2 9134269
n÷3 6089512.6666667
n÷3 4567134.5
n÷5 3653707.6

Exponentiation

ny
n2 333739480657444
n3 6.0969323844908E+21
n4 1.113820409495E+29
n5 2.0347870476035E+36

Nth Root

y√n
2√n 4274.171030738
3√n 263.37098680006
4√n 65.37714455938
5√n 28.336144502952

Divisors of 18268538

1, 2, 19, 38, 107, 214, 2033, 4066, 4493, 8986, 85367, 170734, 480751, 961502, 9134269, 18268538

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 -18268537
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 18268538 can be divided by 16 positive divisors. The sum of these divisors (counting 18268538) is 1, the average is 0.0625.

Base conversion 18268538

Base System Value
2 Binary 1000101101100000101111010
3 Ternary 1021101010201112
4 Quaternary 1011230011322
5 Quinary 14134043123
6 Senary 1451320322
8 Octal 105540572
10 Decimal 18268538
12 Duodecimal 61500a2
16 Hexadecimal 116c17a
20 Vigesimal 5e3b6i
36 Base36 avk3e

Cryptographic Hash Functions

md5 9e97a7538ef1c38c62652b75ed6d0d53
sha1 e515d1876805f3be077dd283ad1eaf3a530b7c3b
sha256 c99e38ad85e498fe7f67566928e7ca9772a3c0aa5a6dcf5bc76ea8749329e80c
sha512 751de1adde629206b4e7bf1ec8fd85138789dd290ed2fdabe990b7d0614fe993abc5fecd9ac8bcc1bed0d1918724dead617d1e15c8ce89b5f8933bd27453e76d
ripemd-160 f49b2af31bee8f55fb0df1b0ccc580124ead333d

18268538 as geometric shapes

Circle

Radius = n
Diameter 36537076
Circumference 114784609.54525
Area 1.0484735006463E+15

Sphere

Radius = n
Volume 2.55387706514E+22
Surface area 4.1938940025852E+15
Circumference 114784609.54525

Square

Length = n
Perimeter 73074152
Area 333739480657444
Diagonal 25835614.204328

Cube

Length = n
Surface area 2002436883944664
Volume 6.0969323844908E+21
Space diagonal 31642035.996003

Equilateral Triangle

Length = n
Perimeter 54805614
Area 1.4451343424759E+14
Altitude 15821017.998001

Triangular Pyramid

Length = n
Surface area 1.4451343424759E+14
Volume 7.1853037225155E+20
Height 8611871.4014428