18081666 (number)

18081666 is an even 8-digits composite number following 18081665 and preceding 18081667. In scientific notation, it is written as 1.8081666 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 6027216 positive integers (up to 18081666) that are relatively prime to 18081666.

Interesting facts

Basic properties

Name

Name eighteen million eighty-one thousand six hundred sixty-six

Notation

Scientific notation 1.8081666 × 10^7
Engineering notation 1.8081666 × 10^6

Prime Factorization of 18081666

Prime Factorization 2 × 9 × 1004537

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18081666
Product of the distinct prime numbers

The prime factorization of 18081666 is 2 × 9 × 1004537. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18081666)

Multiplication

n×y
n×2 36163332
n×3 54244998
n×4 72326664
n×5 90408330

Division

n÷y
n÷2 9040833
n÷3 6027222
n÷3 4520416.5
n÷5 3616333.2

Exponentiation

ny
n2 326946645335556
n3 5.911740040778E+21
n4 1.0689410889617E+29
n5 1.9328235744282E+36

Nth Root

y√n
2√n 4252.2542257019
3√n 262.46988498059
4√n 65.209310881974
5√n 28.277934784518

Divisors of 18081666

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 -18081665
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 18081666 can be divided by 8 positive divisors. The sum of these divisors (counting 18081666) is 1, the average is 0.125.

Base conversion 18081666

Base System Value
2 Binary 1000100111110011110000010
3 Ternary 1021000122101100
4 Quaternary 1010332132002
5 Quinary 14112103131
6 Senary 1443315230
8 Octal 104763602
10 Decimal 18081666
12 Duodecimal 607bb16
16 Hexadecimal 113e782
20 Vigesimal 5d0436
36 Base36 arjwi

Cryptographic Hash Functions

md5 f4f0b3dac5def22dc516353b564060d8
sha1 bf6e55ab6617663cc6b20e12fbeb4756f240d26c
sha256 67dbde467b58c3e765077cce29be938741d4ecd879aa1650c2ef3410233f9ffd
sha512 4708dde52107cf773271d3500623ecac5ec261b98018d3fc67db94493bf0a7e4a3673230aa665503e37e2d4ed0de293f2ea9c36db8fdc2f0df25f4329923382c
ripemd-160 712fd20e28703ca944d696e2116c9b856037106f

18081666 as geometric shapes

Circle

Radius = n
Diameter 36163332
Circumference 113610458.14053
Area 1.027133179102E+15

Sphere

Radius = n
Volume 2.4763038776054E+22
Surface area 4.108532716408E+15
Circumference 113610458.14053

Square

Length = n
Perimeter 72326664
Area 326946645335556
Diagonal 25571337.2875

Cube

Length = n
Surface area 1961679872013336
Volume 5.911740040778E+21
Space diagonal 31318364.197491

Equilateral Triangle

Length = n
Perimeter 54244998
Area 1.4157205027135E+14
Altitude 15659182.098745

Triangular Pyramid

Length = n
Surface area 1.4157205027135E+14
Volume 6.9670524524102E+20
Height 8523779.0958335