6557 (number)
6,557 (six thousand five hundred fiftyseven) is an odd fourdigits composite number following 6556 and preceding 6558. In scientific notation, it is written as 6.557 × 10^{3}. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 6,396 positive integers (up to 6557) that are relatively prime to 6557.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 4
 Sum of Digits 23
 Digital Root 5
Name
Short name  6 thousand 557 

Full name  six thousand five hundred fiftyseven 
Notation
Scientific notation  6.557 × 10^{3} 

Engineering notation  6.557 × 10^{3} 
Prime Factorization of 6557
Prime Factorization 79 × 83
Composite numberω(n)  Distinct Factors  2  Total number of distinct prime factors 

Ω(n)  Total Factors  2  Total number of prime factors 
rad(n)  Radical  6557  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 6,557 is 79 × 83. Since it has a total of 2 prime factors, 6,557 is a composite number.
Divisors of 6557
4 divisors
τ(n)  Total Divisors  4  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  6720  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  163  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  1680  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  80.975304877475  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  3.9029761904762  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 6,557 can be divided by 4 positive divisors (out of which 0 are even, and 4 are odd). The sum of these divisors (counting 6,557) is 6,720, the average is 1,680.
Other Arithmetic Functions (n = 6557)
φ(n)  Euler Totient  6396  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  3198  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 851  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 6,396 positive integers (less than 6,557) that are coprime with 6,557. And there are approximately 851 prime numbers less than or equal to 6,557.
Divisibility of 6557
m  2  3  4  5  6  7  8  9 

n mod m  1  2  1  2  5  5  5  5 
6,557 is not divisible by any number less than or equal to 9.
Classification of 6557
By Arithmetic functions
 Arithmetic
 Semiprime
 Deficient
Expressible via specific sums
 Polite
 Nonhypotenuse
By Powers
 Square Free
Other numbers
 LucasCarmichael
Base conversion (6557)
Base  System  Value 

2  Binary  1100110011101 
3  Ternary  22222212 
4  Quaternary  1212131 
5  Quinary  202212 
6  Senary  50205 
8  Octal  14635 
10  Decimal  6557 
12  Duodecimal  3965 
16  Hexadecimal  199d 
20  Vigesimal  g7h 
36  Base36  525 
Basic calculations (n = 6557)
Multiplication
n×yn×2  13114 

n×3  19671 
n×4  26228 
n×5  32785 
Division
n÷yn÷2  3278.500 

n÷3  2185.666 
n÷4  1639.250 
n÷5  1311.400 
Exponentiation
n^{y}n^{2}  42994249 

n^{3}  281913290693 
n^{4}  1848505447074001 
n^{5}  12120650216464224557 
Nth Root
^{y}√n^{2}√n  80.975304877475 

^{3}√n  18.716949182624 
^{4}√n  8.9986279441632 
^{5}√n  5.798838808356 
6557 as geometric shapes
Circle
Radius = nDiameter  13114 

Circumference  41198.846059177 
Area  135070416.80501 
Sphere
Radius = nVolume  1180875630653.9 

Surface area  540281667.22004 
Circumference  41198.846059177 
Square
Length = nPerimeter  26228 

Area  42994249 
Diagonal  9272.9983284804 
Cube
Length = nSurface area  257965494 

Volume  281913290693 
Space diagonal  11357.057145229 
Equilateral Triangle
Length = nPerimeter  19671 

Area  18617055.925317 
Altitude  5678.5285726146 
Triangular Pyramid
Length = nSurface area  74468223.701267 

Volume  33223799925.939 
Height  5353.7680811431 
Cryptographic Hash Functions
md5  ea3502c3594588f0e9d5142f99c66627 

sha1  f685e07a9567c6ab6a9206f7c2566531c413a6bd 
sha256  60954620d60802ed8ea0fda01bb0bd7aa18a728d9d604a418d19ce7372648f51 
sha512  c781e26f3d61cbb0086139c3cf118cc7d5c78b4412bbeaf953124123898295eeaf62e7ea20a28d60574f7898b31759f104c959b02b6baa2d6e12603c510c5faf 
ripemd160  bc01df253e3ac8a161448b3e3b3e661330ec705b 