218288 (number)
218,288 (two hundred eighteen thousand two hundred eightyeight) is an even sixdigits composite number following 218287 and preceding 218289. In scientific notation, it is written as 2.18288 × 10^{5}. The sum of its digits is 29. It has a total of 6 prime factors and 20 positive divisors. There are 93,504 positive integers (up to 218288) that are relatively prime to 218288.
Basic properties
 Is Prime? No
 Number parity Even
 Number length 6
 Sum of Digits 29
 Digital Root 2
Name
Short name  218 thousand 288 

Full name  two hundred eighteen thousand two hundred eightyeight 
Notation
Scientific notation  2.18288 × 10^{5} 

Engineering notation  218.288 × 10^{3} 
Prime Factorization of 218288
Prime Factorization 2^{4} × 7 × 1949
Composite numberω(n)  Distinct Factors  3  Total number of distinct prime factors 

Ω(n)  Total Factors  6  Total number of prime factors 
rad(n)  Radical  27286  Product of the distinct prime numbers 
λ(n)  Liouville Lambda  1  Returns the parity of Ω(n), such that λ(n) = (1)^{Ω(n)} 
μ(n)  Mobius Mu  0  Returns:

Λ(n)  Mangoldt function  0  Returns log(p) if n is a power p^{k} of any prime p (for any k >= 1), else returns 0 
The prime factorization of 218,288 is 2^{4} × 7 × 1949. Since it has a total of 6 prime factors, 218,288 is a composite number.
Divisors of 218288
20 divisors
τ(n)  Total Divisors  20  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  483600  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  265312  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  24180  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  467.21301351739  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  9.0276261373036  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 218,288 can be divided by 20 positive divisors (out of which 16 are even, and 4 are odd). The sum of these divisors (counting 218,288) is 483,600, the average is 24,180.
Other Arithmetic Functions (n = 218288)
φ(n)  Euler Totient  93504  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  11688  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 19423  Total number of primes less than or equal to n 
r_{2}(n)  Sum of 2 squares  0  The number of ways n can be represented as the sum of 2 squares 
There are 93,504 positive integers (less than 218,288) that are coprime with 218,288. And there are approximately 19,423 prime numbers less than or equal to 218,288.
Divisibility of 218288
m  2  3  4  5  6  7  8  9 

n mod m  0  2  0  3  2  0  0  2 
The number 218,288 is divisible by 2, 4, 7 and 8.
Classification of 218288
By Arithmetic functions
 Arithmetic
 Abundant
Expressible via specific sums
 Polite
Base conversion (218288)
Base  System  Value 

2  Binary  110101010010110000 
3  Ternary  102002102202 
4  Quaternary  311102300 
5  Quinary  23441123 
6  Senary  4402332 
8  Octal  652260 
10  Decimal  218288 
12  Duodecimal  a63a8 
16  Hexadecimal  354b0 
20  Vigesimal  175e8 
36  Base36  4ofk 
Basic calculations (n = 218288)
Multiplication
n×yn×2  436576 

n×3  654864 
n×4  873152 
n×5  1091440 
Division
n÷yn÷2  109144.000 

n÷3  72762.666 
n÷4  54572.000 
n÷5  43657.600 
Exponentiation
n^{y}n^{2}  47649650944 

n^{3}  10401347005263872 
n^{4}  2270489235085040091136 
n^{5}  495620554148243231413895168 
Nth Root
^{y}√n^{2}√n  467.21301351739 

^{3}√n  60.211108202816 
^{4}√n  21.615110768104 
^{5}√n  11.689770161388 
218288 as geometric shapes
Circle
Radius = nDiameter  436576 

Circumference  1371543.9543336 
Area  149695793351.79 
Sphere
Radius = nVolume  4.3569060452234E+16 

Surface area  598783173407.15 
Circumference  1371543.9543336 
Square
Length = nPerimeter  873152 

Area  47649650944 
Diagonal  308705.8501033 
Cube
Length = nSurface area  285897905664 

Volume  10401347005263872 
Space diagonal  378085.9066826 
Equilateral Triangle
Length = nPerimeter  654864 

Area  20632904099.483 
Altitude  189042.9533413 
Triangular Pyramid
Length = nSurface area  82531616397.93 

Volume  1.2258105001494E+15 
Height  178231.40565755 
Cryptographic Hash Functions
md5  271985619367cef347bf52b86a816fc8 

sha1  382cb54e9a098d87ab66915e8b1ab5f5c5054035 
sha256  764eacb23e12174374e563cb25dc805737e6817d1e11c9c4c3330c2b0994e2ef 
sha512  0d5a33415c6e62899552f4d08f06b8f08a2bb9594450f2238521f44784646ca25ca5b7f8e28a2fec1d5dabc1cb588a6080bcd5f84af21e89f1fd035a8770f577 
ripemd160  d472abde23202cbcf8c18a84aeb847882cb412ad 