6943 (number)
6,943 (six thousand nine hundred fortythree) is an odd fourdigits composite number following 6942 and preceding 6944. In scientific notation, it is written as 6.943 × 10^{3}. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 6,760 positive integers (up to 6943) that are relatively prime to 6943.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 4
 Sum of Digits 22
 Digital Root 4
Name
Short name  6 thousand 943 

Full name  six thousand nine hundred fortythree 
Notation
Scientific notation  6.943 × 10^{3} 

Engineering notation  6.943 × 10^{3} 
Prime Factorization of 6943
Prime Factorization 53 × 131
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  6943  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 6,943 is 53 × 131. Since it has a total of 2 prime factors, 6,943 is a composite number.
Divisors of 6943
4 divisors
τ(n)  Total Divisors  4  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  7128  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  185  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  1782  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  83.324666215953  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  3.8961840628507  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 6,943 can be divided by 4 positive divisors (out of which 0 are even, and 4 are odd). The sum of these divisors (counting 6,943) is 7,128, the average is 1,782.
Other Arithmetic Functions (n = 6943)
φ(n)  Euler Totient  6760  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  260  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 894  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 6,760 positive integers (less than 6,943) that are coprime with 6,943. And there are approximately 894 prime numbers less than or equal to 6,943.
Divisibility of 6943
m  2  3  4  5  6  7  8  9 

n mod m  1  1  3  3  1  6  7  4 
6,943 is not divisible by any number less than or equal to 9.
Classification of 6943
By Arithmetic functions
 Arithmetic
 Semiprime
 Deficient
Expressible via specific sums
 Polite
By Shape (2D, noncentered)
 Heptagonal
By Powers
 Square Free
Other numbers
 LucasCarmichael
Base conversion (6943)
Base  System  Value 

2  Binary  1101100011111 
3  Ternary  100112011 
4  Quaternary  1230133 
5  Quinary  210233 
6  Senary  52051 
8  Octal  15437 
10  Decimal  6943 
12  Duodecimal  4027 
16  Hexadecimal  1b1f 
20  Vigesimal  h73 
36  Base36  5cv 
Basic calculations (n = 6943)
Multiplication
n×yn×2  13886 

n×3  20829 
n×4  27772 
n×5  34715 
Division
n÷yn÷2  3471.500 

n÷3  2314.333 
n÷4  1735.750 
n÷5  1388.600 
Exponentiation
n^{y}n^{2}  48205249 

n^{3}  334689043807 
n^{4}  2323746031152001 
n^{5}  16133768694288342943 
Nth Root
^{y}√n^{2}√n  83.324666215953 

^{3}√n  19.077247836596 
^{4}√n  9.1282345618391 
^{5}√n  5.8655593438337 
6943 as geometric shapes
Circle
Radius = nDiameter  13886 

Circumference  43624.155587748 
Area  151441256.12287 
Sphere
Radius = nVolume  1401942188348.1 

Surface area  605765024.49147 
Circumference  43624.155587748 
Square
Length = nPerimeter  27772 

Area  48205249 
Diagonal  9818.8847635564 
Cube
Length = nSurface area  289231494 

Volume  334689043807 
Space diagonal  12025.628756951 
Equilateral Triangle
Length = nPerimeter  20829 

Area  20873485.114877 
Altitude  6012.8143784754 
Triangular Pyramid
Length = nSurface area  83493940.459509 

Volume  39443482077.462 
Height  5668.9357613812 
Cryptographic Hash Functions
md5  6a783b626a6d892a132dc195e5504272 

sha1  735e5e8c5e2cf275c7093cde64c15824a639dcf0 
sha256  cfaa60293c97251dfa8118808b57c688eef66f7e1a932bb3b79b2d59b6048f69 
sha512  b09b32e70044526f3c6029744cb73d32a377af4069529e9d4cc98817522f905e3f4dcda2b3612903feab8ea8532e545c52398b47fd3823a361cb2921297ea527 
ripemd160  542b53323ca057e3e050aa3f401c5965da1c13a1 