5491 (number)
5,491 (five thousand four hundred ninetyone) is an odd fourdigits composite number following 5490 and preceding 5492. In scientific notation, it is written as 5.491 × 10^{3}. The sum of its digits is 19. It has a total of 3 prime factors and 6 positive divisors. There are 4,896 positive integers (up to 5491) that are relatively prime to 5491.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 4
 Sum of Digits 19
 Digital Root 1
Name
Short name  5 thousand 491 

Full name  five thousand four hundred ninetyone 
Notation
Scientific notation  5.491 × 10^{3} 

Engineering notation  5.491 × 10^{3} 
Prime Factorization of 5491
Prime Factorization 17^{2} × 19
Composite numberω(n)  Distinct Factors  2  Total number of distinct prime factors 

Ω(n)  Total Factors  3  Total number of prime factors 
rad(n)  Radical  323  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 5,491 is 17^{2} × 19. Since it has a total of 3 prime factors, 5,491 is a composite number.
Divisors of 5491
6 divisors
τ(n)  Total Divisors  6  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  6140  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  649  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  1023.333  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  74.101282040191  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  5.3657980456044  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 5,491 can be divided by 6 positive divisors (out of which 0 are even, and 6 are odd). The sum of these divisors (counting 5,491) is 6,140, the average is 10,23.,333.
Other Arithmetic Functions (n = 5491)
φ(n)  Euler Totient  4896  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  2448  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 729  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 4,896 positive integers (less than 5,491) that are coprime with 5,491. And there are approximately 729 prime numbers less than or equal to 5,491.
Divisibility of 5491
m  2  3  4  5  6  7  8  9 

n mod m  1  1  3  1  1  3  3  1 
5,491 is not divisible by any number less than or equal to 9.
Classification of 5491
By Arithmetic functions
 Deficient
Expressible via specific sums
 Polite
By Shape (2D, centered)
 Centered Triangle
Base conversion (5491)
Base  System  Value 

2  Binary  1010101110011 
3  Ternary  21112101 
4  Quaternary  1111303 
5  Quinary  133431 
6  Senary  41231 
8  Octal  12563 
10  Decimal  5491 
12  Duodecimal  3217 
16  Hexadecimal  1573 
20  Vigesimal  deb 
36  Base36  48j 
Basic calculations (n = 5491)
Multiplication
n×yn×2  10982 

n×3  16473 
n×4  21964 
n×5  27455 
Division
n÷yn÷2  2745.500 

n÷3  1830.333 
n÷4  1372.750 
n÷5  1098.200 
Exponentiation
n^{y}n^{2}  30151081 

n^{3}  165559585771 
n^{4}  909087685468561 
n^{5}  4991800480907868451 
Nth Root
^{y}√n^{2}√n  74.101282040191 

^{3}√n  17.64210819736 
^{4}√n  8.608210153115 
^{5}√n  5.5966775859667 
5491 as geometric shapes
Circle
Radius = nDiameter  10982 

Circumference  34500.970521723 
Area  94722414.567391 
Sphere
Radius = nVolume  693494371186.06 

Surface area  378889658.26956 
Circumference  34500.970521723 
Square
Length = nPerimeter  21964 

Area  30151081 
Diagonal  7765.4466709907 
Cube
Length = nSurface area  180906486 

Volume  165559585771 
Space diagonal  9510.6909843607 
Equilateral Triangle
Length = nPerimeter  16473 

Area  13055801.048781 
Altitude  4755.3454921804 
Triangular Pyramid
Length = nSurface area  52223204.195125 

Volume  19511384298.185 
Height  4483.3827258741 
Cryptographic Hash Functions
md5  1bc2029a8851ad344a8d503930dfd7f7 

sha1  f859312238849fdf2da1a82bb3b6d4ff23e35731 
sha256  430f0e467f3a408f997f6f71d3c4d410eea157949cef76b3d3200229584b6b6b 
sha512  a6e79e5703367786512c3faa945e22574191d96bdcb6b8383203461e7de6df8a6806d51b1880b377f43e05d1bbe6dd9b0961c55c7c84f461bd7414f4efb8af33 
ripemd160  721ef33523023a0a3a4267f3408697bd19061741 