2943 (number)
2,943 (two thousand nine hundred fortythree) is an odd fourdigits composite number following 2942 and preceding 2944. In scientific notation, it is written as 2.943 × 10^{3}. The sum of its digits is 18. It has a total of 4 prime factors and 8 positive divisors. There are 1,944 positive integers (up to 2943) that are relatively prime to 2943.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 4
 Sum of Digits 18
 Digital Root 9
Name
Short name  2 thousand 943 

Full name  two thousand nine hundred fortythree 
Notation
Scientific notation  2.943 × 10^{3} 

Engineering notation  2.943 × 10^{3} 
Prime Factorization of 2943
Prime Factorization 3^{3} × 109
Composite numberω(n)  Distinct Factors  2  Total number of distinct prime factors 

Ω(n)  Total Factors  4  Total number of prime factors 
rad(n)  Radical  327  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 2,943 is 3^{3} × 109. Since it has a total of 4 prime factors, 2,943 is a composite number.
Divisors of 2943
8 divisors
τ(n)  Total Divisors  8  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  4400  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  1457  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  550  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  54.249423960075  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  5.3509090909091  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 2,943 can be divided by 8 positive divisors (out of which 0 are even, and 8 are odd). The sum of these divisors (counting 2,943) is 4,400, the average is 550.
Other Arithmetic Functions (n = 2943)
φ(n)  Euler Totient  1944  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  108  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 426  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 1,944 positive integers (less than 2,943) that are coprime with 2,943. And there are approximately 426 prime numbers less than or equal to 2,943.
Divisibility of 2943
m  2  3  4  5  6  7  8  9 

n mod m  1  0  3  3  3  3  7  0 
The number 2,943 is divisible by 3 and 9.
Classification of 2943
By Arithmetic functions
 Arithmetic
 Deficient
Expressible via specific sums
 Polite
Base conversion (2943)
Base  System  Value 

2  Binary  101101111111 
3  Ternary  11001000 
4  Quaternary  231333 
5  Quinary  43233 
6  Senary  21343 
8  Octal  5577 
10  Decimal  2943 
12  Duodecimal  1853 
16  Hexadecimal  b7f 
20  Vigesimal  773 
36  Base36  29r 
Basic calculations (n = 2943)
Multiplication
n×yn×2  5886 

n×3  8829 
n×4  11772 
n×5  14715 
Division
n÷yn÷2  1471.500 

n÷3  981.000 
n÷4  735.750 
n÷5  588.600 
Exponentiation
n^{y}n^{2}  8661249 

n^{3}  25490055807 
n^{4}  75017234240001 
n^{5}  220775720368322943 
Nth Root
^{y}√n^{2}√n  54.249423960075 

^{3}√n  14.330568543105 
^{4}√n  7.3654208270862 
^{5}√n  4.9403538077969 
2943 as geometric shapes
Circle
Radius = nDiameter  5886 

Circumference  18491.41435903 
Area  27210116.229312 
Sphere
Radius = nVolume  106772496083.82 

Surface area  108840464.91725 
Circumference  18491.41435903 
Square
Length = nPerimeter  11772 

Area  8661249 
Diagonal  4162.030514064 
Cube
Length = nSurface area  51967494 

Volume  25490055807 
Space diagonal  5097.4255266752 
Equilateral Triangle
Length = nPerimeter  8829 

Area  3750430.8312513 
Altitude  2548.7127633376 
Triangular Pyramid
Length = nSurface area  15001723.325005 

Volume  3004031885.6589 
Height  2402.9494376703 
Cryptographic Hash Functions
md5  6e82873a32b95af115de1c414a1849cb 

sha1  2e2a30bb154779e00c75f6f710777bc9f68e33b7 
sha256  47e03bf0b0b8b738bee4b98b1b75ee146d150f7615b2c700435feb06cb0baa1d 
sha512  1bc2830491a59244e809599c9d1f473c0637618b966f88c99f378636e1b8bd182c803c06a1ea3539ea642e77ad84ba2a44270c728e53afdccfcaa0039288f437 
ripemd160  f5b95e4d1a8ef8a50bf2996a2e211f59b3a4a51d 