11191 (number)
11,191 (eleven thousand one hundred ninetyone) is an odd fivedigits composite number following 11190 and preceding 11192. In scientific notation, it is written as 1.1191 × 10^{4}. The sum of its digits is 13. It has a total of 3 prime factors and 6 positive divisors. There are 10,260 positive integers (up to 11191) that are relatively prime to 11191.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 5
 Sum of Digits 13
 Digital Root 4
Name
Short name  11 thousand 191 

Full name  eleven thousand one hundred ninetyone 
Notation
Scientific notation  1.1191 × 10^{4} 

Engineering notation  11.191 × 10^{3} 
Prime Factorization of 11191
Prime Factorization 19^{2} × 31
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  589  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 11,191 is 19^{2} × 31. Since it has a total of 3 prime factors, 11,191 is a composite number.
Divisors of 11191
6 divisors
τ(n)  Total Divisors  6  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  12192  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  1001  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  2032  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  105.78752289377  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  5.5073818897638  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 11,191 can be divided by 6 positive divisors (out of which 0 are even, and 6 are odd). The sum of these divisors (counting 11,191) is 12,192, the average is 2,032.
Other Arithmetic Functions (n = 11191)
φ(n)  Euler Totient  10260  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  1710  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 1358  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 10,260 positive integers (less than 11,191) that are coprime with 11,191. And there are approximately 1,358 prime numbers less than or equal to 11,191.
Divisibility of 11191
m  2  3  4  5  6  7  8  9 

n mod m  1  1  3  1  1  5  7  4 
11,191 is not divisible by any number less than or equal to 9.
Classification of 11191
By Arithmetic functions
 Arithmetic
 Deficient
Expressible via specific sums
 Polite
 Nonhypotenuse
Other numbers
 Frugal
Base conversion (11191)
Base  System  Value 

2  Binary  10101110110111 
3  Ternary  120100111 
4  Quaternary  2232313 
5  Quinary  324231 
6  Senary  123451 
8  Octal  25667 
10  Decimal  11191 
12  Duodecimal  6587 
16  Hexadecimal  2bb7 
20  Vigesimal  17jb 
36  Base36  8mv 
Basic calculations (n = 11191)
Multiplication
n×yn×2  22382 

n×3  33573 
n×4  44764 
n×5  55955 
Division
n÷yn÷2  5595.500 

n÷3  3730.333 
n÷4  2797.750 
n÷5  2238.200 
Exponentiation
n^{y}n^{2}  125238481 

n^{3}  1401543840871 
n^{4}  15684677123187361 
n^{5}  175527221685589756951 
Nth Root
^{y}√n^{2}√n  105.78752289377 

^{3}√n  22.367784259174 
^{4}√n  10.285306164319 
^{5}√n  6.4531799999751 
11191 as geometric shapes
Circle
Radius = nDiameter  22382 

Circumference  70315.126772647 
Area  393448291.85634 
Sphere
Radius = nVolume  5870773112219.1 

Surface area  1573793167.4254 
Circumference  70315.126772647 
Square
Length = nPerimeter  44764 

Area  125238481 
Diagonal  15826.463976517 
Cube
Length = nSurface area  751430886 

Volume  1401543840871 
Space diagonal  19383.380587503 
Equilateral Triangle
Length = nPerimeter  33573 

Area  54229853.038687 
Altitude  9691.6902937517 
Triangular Pyramid
Length = nSurface area  216919412.15475 

Volume  165173525668.35 
Height  9137.4132371622 
Cryptographic Hash Functions
md5  ee7af88f5686a35a7943f5dd9ea727f6 

sha1  3b734ebf80615681e83664b0dbd505286e7cb989 
sha256  b563e9e2dc517ecaa057ab0e09779600c9cc70a9652c61e2b17e79401461e70c 
sha512  df6d2fd0c5805ca1f93590899ca33d1be74c17f4a9ed46dc47cdb488e3b2b5990c35c7e57c201a6aea3368d3d6a1d9e78f0356750cf45e7d09cfaad94477e1f5 
ripemd160  a6f6f0d0e0c8365c10a99fd4777883ee9f76f917 