18081660 (number)

18081660 is an even 8-digits composite number following 18081659 and preceding 18081661. In scientific notation, it is written as 1.8081660 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors. There are 4821760 positive integers (up to 18081660) that are relatively prime to 18081660.

Interesting facts

Basic properties

Name

Name eighteen million eighty-one thousand six hundred sixty

Notation

Scientific notation 1.8081660 × 10^7
Engineering notation 1.8081660 × 10^6

Prime Factorization of 18081660

Prime Factorization 2 × 2 × 15 × 301361

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9040830
Product of the distinct prime numbers

The prime factorization of 18081660 is 2 × 2 × 15 × 301361. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18081660)

Multiplication

n×y
n×2 36163320
n×3 54244980
n×4 72326640
n×5 90408300

Division

n÷y
n÷2 9040830
n÷3 6027220
n÷3 4520415
n÷5 3616332

Exponentiation

ny
n2 326946428355600
n3 5.9117341557403E+21
n4 1.0689396701448E+29
n5 1.9328203676071E+36

Nth Root

y√n
2√n 4252.2535201937
3√n 262.46985594899
4√n 65.209305472407
5√n 28.277932907836

Divisors of 18081660

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18081659
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18081660 can be divided by 12 positive divisors. The sum of these divisors (counting 18081660) is 1, the average is 0.083333333333333.

Base conversion 18081660

Base System Value
2 Binary 1000100111110011101111100
3 Ternary 1021000122101010
4 Quaternary 1010332131330
5 Quinary 14112103120
6 Senary 1443315220
8 Octal 104763574
10 Decimal 18081660
12 Duodecimal 607bb10
16 Hexadecimal 113e77c
20 Vigesimal 5d0430
36 Base36 arjwc

Cryptographic Hash Functions

md5 289d0bdab219ce2fd40b735d51a52b96
sha1 adf3ab8dba811c79433b4c6bfbbc0a95a0ef92db
sha256 b2bf4cc966455e12550408cda005b023547f4461edcb8e956767371a876c3896
sha512 3c8398188df30308b79f2fd48b9b6471df206486f8ba2d092845fbc9ec450b5f4a2d549a45d139c0d6326070c56677cef87de255c08478c92aa26ca1fc751414
ripemd-160 b698bfbbd835b3f2eacfbc9166c4149dbd62e4ab

18081660 as geometric shapes

Circle

Radius = n
Diameter 36163320
Circumference 113610420.44142
Area 1.0271324974394E+15

Sphere

Radius = n
Volume 2.4763014124866E+22
Surface area 4.1085299897575E+15
Circumference 113610420.44142

Square

Length = n
Perimeter 72326640
Area 326946428355600
Diagonal 25571328.802219

Cube

Length = n
Surface area 1961678570133600
Volume 5.9117341557403E+21
Space diagonal 31318353.805186

Equilateral Triangle

Length = n
Perimeter 54244980
Area 1.4157195631627E+14
Altitude 15659176.902593

Triangular Pyramid

Length = n
Surface area 1.4157195631627E+14
Volume 6.9670455168268E+20
Height 8523776.2674064