5805 (number)
5,805 (five thousand eight hundred five) is an odd fourdigits composite number following 5804 and preceding 5806. In scientific notation, it is written as 5.805 × 10^{3}. The sum of its digits is 18. It has a total of 5 prime factors and 16 positive divisors. There are 3,024 positive integers (up to 5805) that are relatively prime to 5805.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 4
 Sum of Digits 18
 Digital Root 9
Name
Short name  5 thousand 805 

Full name  five thousand eight hundred five 
Notation
Scientific notation  5.805 × 10^{3} 

Engineering notation  5.805 × 10^{3} 
Prime Factorization of 5805
Prime Factorization 3^{3} × 5 × 43
Composite numberω(n)  Distinct Factors  3  Total number of distinct prime factors 

Ω(n)  Total Factors  5  Total number of prime factors 
rad(n)  Radical  645  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 5,805 is 3^{3} × 5 × 43. Since it has a total of 5 prime factors, 5,805 is a composite number.
Divisors of 5805
16 divisors
τ(n)  Total Divisors  16  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  10560  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  4755  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  660  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  76.190550595202  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  8.7954545454545  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 5,805 can be divided by 16 positive divisors (out of which 0 are even, and 16 are odd). The sum of these divisors (counting 5,805) is 10,560, the average is 660.
Other Arithmetic Functions (n = 5805)
φ(n)  Euler Totient  3024  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  252  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 766  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 3,024 positive integers (less than 5,805) that are coprime with 5,805. And there are approximately 766 prime numbers less than or equal to 5,805.
Divisibility of 5805
m  2  3  4  5  6  7  8  9 

n mod m  1  0  1  0  3  2  5  0 
The number 5,805 is divisible by 3, 5 and 9.
Classification of 5805
By Arithmetic functions
 Arithmetic
 Deficient
Expressible via specific sums
 Polite
Base conversion (5805)
Base  System  Value 

2  Binary  1011010101101 
3  Ternary  21222000 
4  Quaternary  1122231 
5  Quinary  141210 
6  Senary  42513 
8  Octal  13255 
10  Decimal  5805 
12  Duodecimal  3439 
16  Hexadecimal  16ad 
20  Vigesimal  ea5 
36  Base36  4h9 
Basic calculations (n = 5805)
Multiplication
n×yn×2  11610 

n×3  17415 
n×4  23220 
n×5  29025 
Division
n÷yn÷2  2902.500 

n÷3  1935.000 
n÷4  1451.250 
n÷5  1161.000 
Exponentiation
n^{y}n^{2}  33698025 

n^{3}  195617035125 
n^{4}  1135556888900625 
n^{5}  6591907740068128125 
Nth Root
^{y}√n^{2}√n  76.190550595202 

^{3}√n  17.972179244685 
^{4}√n  8.7287198715047 
^{5}√n  5.6592703972488 
5805 as geometric shapes
Circle
Radius = nDiameter  11610 

Circumference  36473.890708177 
Area  105865467.78049 
Sphere
Radius = nVolume  819398720620.96 

Surface area  423461871.12194 
Circumference  36473.890708177 
Square
Length = nPerimeter  23220 

Area  33698025 
Diagonal  8209.5097295758 
Cube
Length = nSurface area  202188150 

Volume  195617035125 
Space diagonal  10054.554937937 
Equilateral Triangle
Length = nPerimeter  17415 

Area  14591672.853682 
Altitude  5027.2774689687 
Triangular Pyramid
Length = nSurface area  58366691.414726 

Volume  23053688675.416 
Height  4739.7626522854 
Cryptographic Hash Functions
md5  d81f29a9985d0eb4adc0279e79a9ec75 

sha1  2e543465691bf4881b1ee6006358e33ed104ad71 
sha256  fe7c302d8d1af47a5d5193b1c4854ee9e849b97fbefe79c7a1d47b78b822e9ec 
sha512  72fb4b2f9dec1fb523fe06b5f265af215ff3f17ab90d8086b36e5086778d8b28590ded0eca0d7d1644d7347db3651c7ba037d00e9de5f7dc1ba2a43415f431af 
ripemd160  8d64f50a9c614002e141fda927694b2d857dbf62 