18644013 (number)

18644013 is an odd 8-digits composite number following 18644012 and preceding 18644014. In scientific notation, it is written as 1.8644013 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 11999232 positive integers (up to 18644013) that are relatively prime to 18644013.

Interesting facts

Basic properties

Name

Name eighteen million six hundred forty-four thousand thirteen

Notation

Scientific notation 1.8644013 × 10^7
Engineering notation 1.8644013 × 10^6

Prime Factorization of 18644013

Prime Factorization 27 × 3 × 29 × 7937

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18644013
Product of the distinct prime numbers

The prime factorization of 18644013 is 27 × 3 × 29 × 7937. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 3, 98, 88, 160, 672, 3222, 411, 13057, 95292, 261385, 639799, 9868673, 2964664, 26461514, 19863884, 741880943, 182283631, 6367418410, 503322928

Basic calculations (n = 18644013)

Multiplication

n×y
n×2 37288026
n×3 55932039
n×4 74576052
n×5 93220065

Division

n÷y
n÷2 9322006.5
n÷3 6214671
n÷3 4661003.25
n÷5 3728802.6

Exponentiation

ny
n2 347599220744169
n3 6.4806443903442E+21
n4 1.2082521826195E+29
n5 2.2526669400037E+36

Nth Root

y√n
2√n 4317.8713505615
3√n 265.1631272828
4√n 65.710511720436
5√n 28.451677637215

Divisors of 18644013

1, 3, 27, 29, 81, 87, 783, 2349, 7937, 23811, 214299, 230173, 642897, 690519, 6214671, 18644013

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 -18644012
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 18644013 can be divided by 16 positive divisors. The sum of these divisors (counting 18644013) is 1, the average is 0.0625.

Base conversion 18644013

Base System Value
2 Binary 1000111000111110000101101
3 Ternary 1022002012210000
4 Quaternary 1013013300231
5 Quinary 14233102023
6 Senary 1503334513
8 Octal 107076055
10 Decimal 18644013
12 Duodecimal 62b1439
16 Hexadecimal 11c7c2d
20 Vigesimal 5gaa0d
36 Base36 b3lt9

Cryptographic Hash Functions

md5 84c53aa119928e18a7702e34df71af53
sha1 1f0233698b645371f854bf1403ab29d9ecbaa1bd
sha256 23b97dd46f1a3d6ba58d584341ae276c1efc73280a1a1f09de01b441c519303d
sha512 8586faf86a8217040d750a3a1588f8d161007b665addec5dd8ef1b7ffc531401230ff268f030c36eb176764d0aeb0b4a0475039b7cf414ad66add7c0b395c622
ripemd-160 7df7ffc60eff327eb4254af4ee245ae656ff570c

18644013 as geometric shapes

Circle

Radius = n
Diameter 37288026
Circumference 117143788.54847
Area 1.0920151582834E+15

Sphere

Radius = n
Volume 2.7146059742977E+22
Surface area 4.3680606331337E+15
Circumference 117143788.54847

Square

Length = n
Perimeter 74576052
Area 347599220744169
Diagonal 26366616.04166

Cube

Length = n
Surface area 2085595324465014
Volume 6.4806443903442E+21
Space diagonal 32292377.772975

Equilateral Triangle

Length = n
Perimeter 55932039
Area 1.5051487775006E+14
Altitude 16146188.886487

Triangular Pyramid

Length = n
Surface area 1.5051487775006E+14
Volume 7.6375126581182E+20
Height 8788872.0138868