90505 (number)
90,505 (ninety thousand five hundred five) is an odd fivedigits composite number following 90504 and preceding 90506. In scientific notation, it is written as 9.0505 × 10^{4}. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 69,168 positive integers (up to 90505) that are relatively prime to 90505.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 5
 Sum of Digits 19
 Digital Root 1
Name
Short name  90 thousand 505 

Full name  ninety thousand five hundred five 
Notation
Scientific notation  9.0505 × 10^{4} 

Engineering notation  90.505 × 10^{3} 
Prime Factorization of 90505
Prime Factorization 5 × 23 × 787
Composite numberω(n)  Distinct Factors  3  Total number of distinct prime factors 

Ω(n)  Total Factors  3  Total number of prime factors 
rad(n)  Radical  90505  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  1  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 90,505 is 5 × 23 × 787. Since it has a total of 3 prime factors, 90,505 is a composite number.
Divisors of 90505
8 divisors
τ(n)  Total Divisors  8  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  113472  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  22967  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  14184  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  300.84048929624  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  6.3807811618725  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 90,505 can be divided by 8 positive divisors (out of which 0 are even, and 8 are odd). The sum of these divisors (counting 90,505) is 113,472, the average is 14,184.
Other Arithmetic Functions (n = 90505)
φ(n)  Euler Totient  69168  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  17292  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 8755  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 69,168 positive integers (less than 90,505) that are coprime with 90,505. And there are approximately 8,755 prime numbers less than or equal to 90,505.
Divisibility of 90505
m  2  3  4  5  6  7  8  9 

n mod m  1  1  1  0  1  2  1  1 
The number 90,505 is divisible by 5.
Classification of 90505
By Arithmetic functions
 Arithmetic
 Deficient
Expressible via specific sums
 Polite
By Powers
 Square Free
Other numbers
 LucasCarmichael
 Sphenic
Base conversion (90505)
Base  System  Value 

2  Binary  10110000110001001 
3  Ternary  11121011001 
4  Quaternary  112012021 
5  Quinary  10344010 
6  Senary  1535001 
8  Octal  260611 
10  Decimal  90505 
12  Duodecimal  44461 
16  Hexadecimal  16189 
20  Vigesimal  b655 
36  Base36  1xu1 
Basic calculations (n = 90505)
Multiplication
n×yn×2  181010 

n×3  271515 
n×4  362020 
n×5  452525 
Division
n÷yn÷2  45252.500 

n÷3  30168.333 
n÷4  22626.250 
n÷5  18101.000 
Exponentiation
n^{y}n^{2}  8191155025 

n^{3}  741340485537625 
n^{4}  67095020643582750625 
n^{5}  6072434843347456845315625 
Nth Root
^{y}√n^{2}√n  300.84048929624 

^{3}√n  44.897710046686 
^{4}√n  17.344753941646 
^{5}√n  9.8024472643757 
90505 as geometric shapes
Circle
Radius = nDiameter  181010 

Circumference  568659.68622629 
Area  25733272450.955 
Sphere
Radius = nVolume  3.1053197642316E+15 

Surface area  102933089803.82 
Circumference  568659.68622629 
Square
Length = nPerimeter  362020 

Area  8191155025 
Diagonal  127993.39846258 
Cube
Length = nSurface area  49146930150 

Volume  741340485537625 
Space diagonal  156759.25833902 
Equilateral Triangle
Length = nPerimeter  271515 

Area  3546874168.9933 
Altitude  78379.629169511 
Triangular Pyramid
Length = nSurface area  14187496675.973 

Volume  87367814081964 
Height  73897.023056864 
Cryptographic Hash Functions
md5  a29c222dc5b93356a5372920962bdec0 

sha1  c144e11244bc094027f207e0bd6aaad0a0edf088 
sha256  a9a579140ef8fbec915894bd4cfd29b07ad4e1c5ef7fe6a3153f0004ab0baed8 
sha512  0ee171b48cb426e6fdaadd85d36a8ad9f33fbacc8046c4a33cd0e14188b8ffc87b603fd95aa3b99925b6c706684b154722a29dacb20525c49570c1406c3422a9 
ripemd160  7dad712497011c423a86ff6886bf2f14de19bafc 