55990 (number)
55,990 (fiftyfive thousand nine hundred ninety) is an even fivedigits composite number following 55989 and preceding 55991. In scientific notation, it is written as 5.599 × 10^{4}. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 20,320 positive integers (up to 55990) that are relatively prime to 55990.
Basic properties
 Is Prime? No
 Number parity Even
 Number length 5
 Sum of Digits 28
 Digital Root 1
Name
Short name  55 thousand 990 

Full name  fiftyfive thousand nine hundred ninety 
Notation
Scientific notation  5.599 × 10^{4} 

Engineering notation  55.99 × 10^{3} 
Prime Factorization of 55990
Prime Factorization 2 × 5 × 11 × 509
Composite numberω(n)  Distinct Factors  4  Total number of distinct prime factors 

Ω(n)  Total Factors  4  Total number of prime factors 
rad(n)  Radical  55990  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 55,990 is 2 × 5 × 11 × 509. Since it has a total of 4 prime factors, 55,990 is a composite number.
Divisors of 55990
16 divisors
τ(n)  Total Divisors  16  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  110160  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  54170  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  6885  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  236.62206152428  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  8.1321713870733  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 55,990 can be divided by 16 positive divisors (out of which 8 are even, and 8 are odd). The sum of these divisors (counting 55,990) is 110,160, the average is 6,885.
Other Arithmetic Functions (n = 55990)
φ(n)  Euler Totient  20320  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  2540  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 5679  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 20,320 positive integers (less than 55,990) that are coprime with 55,990. And there are approximately 5,679 prime numbers less than or equal to 55,990.
Divisibility of 55990
m  2  3  4  5  6  7  8  9 

n mod m  0  1  2  0  4  4  6  1 
The number 55,990 is divisible by 2 and 5.
Classification of 55990
By Arithmetic functions
 Arithmetic
 Deficient
Expressible via specific sums
 Polite
By Powers
 Square Free
Base conversion (55990)
Base  System  Value 

2  Binary  1101101010110110 
3  Ternary  2211210201 
4  Quaternary  31222312 
5  Quinary  3242430 
6  Senary  1111114 
8  Octal  155266 
10  Decimal  55990 
12  Duodecimal  2849a 
16  Hexadecimal  dab6 
20  Vigesimal  6jja 
36  Base36  177a 
Basic calculations (n = 55990)
Multiplication
n×yn×2  111980 

n×3  167970 
n×4  223960 
n×5  279950 
Division
n÷yn÷2  27995.000 

n÷3  18663.333 
n÷4  13997.500 
n÷5  11198.000 
Exponentiation
n^{y}n^{2}  3134880100 

n^{3}  175521936799000 
n^{4}  9827473241376010000 
n^{5}  550240226784642799900000 
Nth Root
^{y}√n^{2}√n  236.62206152428 

^{3}√n  38.256346220854 
^{4}√n  15.38252454977 
^{5}√n  8.9047574286725 
55990 as geometric shapes
Circle
Radius = nDiameter  111980 

Circumference  351795.54534899 
Area  9848516292.0448 
Sphere
Radius = nVolume  7.3522456958879E+14 

Surface area  39394065168.179 
Circumference  351795.54534899 
Square
Length = nPerimeter  223960 

Area  3134880100 
Diagonal  79181.81735727 
Cube
Length = nSurface area  18809280600 

Volume  175521936799000 
Space diagonal  96977.524715781 
Equilateral Triangle
Length = nPerimeter  167970 

Area  1357442902.2092 
Altitude  48488.762357891 
Triangular Pyramid
Length = nSurface area  5429771608.8366 

Volume  20685458626262 
Height  45715.643566143 
Cryptographic Hash Functions
md5  faab59d78e0cb9a4432203c827685507 

sha1  2de238e87ca1d3aaae6bb36f30c5a5bcf7fb4b8b 
sha256  c9724e27ebaa427c953ac974322e5297864fbd0b6e3897564475a54352162790 
sha512  9334d09e01ab1c79c36acfc64d329bf8c8891d7e7afbda67959b31b1be12598c778f0e3129f3421cd6ada39171acb49efc8c0ce377c26e7b71140f1f7d455ec7 
ripemd160  8c6e337d7fef506e22162ff0d7f779970520f07a 