18238081 (number)

18238081 is an odd 8-digits composite number following 18238080 and preceding 18238082. In scientific notation, it is written as 1.8238081 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 17271684 positive integers (up to 18238081) that are relatively prime to 18238081.

Interesting facts

Basic properties

Name

Name eighteen million two hundred thirty-eight thousand eighty-one

Notation

Scientific notation 1.8238081 × 10^7
Engineering notation 1.8238081 × 10^6

Prime Factorization of 18238081

Prime Factorization 19 × 361 × 2659

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18238081
Product of the distinct prime numbers

The prime factorization of 18238081 is 19 × 361 × 2659. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18238081)

Multiplication

n×y
n×2 36476162
n×3 54714243
n×4 72952324
n×5 91190405

Division

n÷y
n÷2 9119040.5
n÷3 6079360.3333333
n÷3 4559520.25
n÷5 3647616.2

Exponentiation

ny
n2 332627598562561
n3 6.0664890854195E+21
n4 1.106411193255E+29
n5 2.0178816961891E+36

Nth Root

y√n
2√n 4270.6066313815
3√n 263.22454282366
4√n 65.349878587351
5√n 28.326689886892

Divisors of 18238081

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 -18238080
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 18238081 can be divided by 8 positive divisors. The sum of these divisors (counting 18238081) is 1, the average is 0.125.

Base conversion 18238081

Base System Value
2 Binary 1000101100100101010000001
3 Ternary 1021022120221111
4 Quaternary 1011210222001
5 Quinary 14132104311
6 Senary 1450523321
8 Octal 105445201
10 Decimal 18238081
12 Duodecimal 6136541
16 Hexadecimal 1164a81
20 Vigesimal 5djf41
36 Base36 auwld

Cryptographic Hash Functions

md5 50261f2f32fa0c1ba205050c50a37809
sha1 b05a71de2a71cf0f96cafd06a7d41e689698ca43
sha256 f9f54e72c92a77085292c7d93e53c039a8fcf6008c401e2694207f1318d8d5bd
sha512 44327aca51dad3fa8b9a0282d6868d7181fb81c10510102bea280ceaa492b05f025e4db36e66ed9d0054c6593b5f59f20062797cb169cf7e3b92e78c7a78fb9e
ripemd-160 8409521176aa696860889fa44e1c39c1322095ba

18238081 as geometric shapes

Circle

Radius = n
Diameter 36476162
Circumference 114593242.57035
Area 1.0449804200254E+15

Sphere

Radius = n
Volume 2.5411250058449E+22
Surface area 4.1799216801014E+15
Circumference 114593242.57035

Square

Length = n
Perimeter 72952324
Area 332627598562561
Diagonal 25792541.501859

Cube

Length = n
Surface area 1995765591375366
Volume 6.0664890854195E+21
Space diagonal 31589282.924557

Equilateral Triangle

Length = n
Perimeter 54714243
Area 1.440319751775E+14
Altitude 15794641.462278

Triangular Pyramid

Length = n
Surface area 1.440319751775E+14
Volume 7.1494259504905E+20
Height 8597513.833953