18408081 (number)

18408081 is an odd 8-digits composite number following 18408080 and preceding 18408082. In scientific notation, it is written as 1.8408081 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 12246080 positive integers (up to 18408081) that are relatively prime to 18408081.

Interesting facts

Basic properties

Name

Name eighteen million four hundred eight thousand eighty-one

Notation

Scientific notation 1.8408081 × 10^7
Engineering notation 1.8408081 × 10^6

Prime Factorization of 18408081

Prime Factorization 3 × 491 × 12497

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18408081
Product of the distinct prime numbers

The prime factorization of 18408081 is 3 × 491 × 12497. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18408081)

Multiplication

n×y
n×2 36816162
n×3 55224243
n×4 73632324
n×5 92040405

Division

n÷y
n÷2 9204040.5
n÷3 6136027
n÷3 4602020.25
n÷5 3681616.2

Exponentiation

ny
n2 338857446102561
n3 6.2377153153091E+21
n4 1.1482436877915E+29
n5 2.1136962812605E+36

Nth Root

y√n
2√n 4290.4639609254
3√n 264.03986714274
4√n 65.501633269144
5√n 28.379301589786

Divisors of 18408081

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 -18408080
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 18408081 can be divided by 8 positive divisors. The sum of these divisors (counting 18408081) is 1, the average is 0.125.

Base conversion 18408081

Base System Value
2 Binary 1000110001110001010010001
3 Ternary 1021122020010210
4 Quaternary 1012032022101
5 Quinary 14203024311
6 Senary 1454314333
8 Octal 106161221
10 Decimal 18408081
12 Duodecimal 61b89a9
16 Hexadecimal 118e291
20 Vigesimal 5f1041
36 Base36 ayjrl

Cryptographic Hash Functions

md5 9b76797441aae51f2b3bb9ae79ddb4e5
sha1 1f38b8049a7f882d58cd5ef1037730db569cdcb2
sha256 a1ac9ded687abfe104c1f636b795b16c7c54e0c5665a0f29584a4b9761e5d3e7
sha512 7eb891e70a8ab0f3700617743d55bd434d2a5ad6fbc6d8d0d1112f0f91f27b8105721dce4c631be5de3bc712ab8c9c26081a1fa77b37ae439c2c7cc0f23ee2f6
ripemd-160 4ca130d571e2ca4e896aa10e25bf622210644538

18408081 as geometric shapes

Circle

Radius = n
Diameter 36816162
Circumference 115661384.07257
Area 1.06455206329E+15

Sphere

Radius = n
Volume 2.6128480813013E+22
Surface area 4.25820825316E+15
Circumference 115661384.07257

Square

Length = n
Perimeter 73632324
Area 338857446102561
Diagonal 26032957.807462

Cube

Length = n
Surface area 2033144676615366
Volume 6.2377153153091E+21
Space diagonal 31883731.561843

Equilateral Triangle

Length = n
Perimeter 55224243
Area 1.4672957829317E+14
Altitude 15941865.780922

Triangular Pyramid

Length = n
Surface area 1.4672957829317E+14
Volume 7.3512179976104E+20
Height 8677652.6024875