8942 (number)
8,942 (eight thousand nine hundred fortytwo) is an even fourdigits composite number following 8941 and preceding 8943. In scientific notation, it is written as 8.942 × 10^{3}. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 4,192 positive integers (up to 8942) that are relatively prime to 8942.
Basic properties
 Is Prime? No
 Number parity Even
 Number length 4
 Sum of Digits 23
 Digital Root 5
Name
Short name  8 thousand 942 

Full name  eight thousand nine hundred fortytwo 
Notation
Scientific notation  8.942 × 10^{3} 

Engineering notation  8.942 × 10^{3} 
Prime Factorization of 8942
Prime Factorization 2 × 17 × 263
Composite numberω(n)  Distinct Factors  3  Total number of distinct prime factors 

Ω(n)  Total Factors  3  Total number of prime factors 
rad(n)  Radical  8942  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 8,942 is 2 × 17 × 263. Since it has a total of 3 prime factors, 8,942 is a composite number.
Divisors of 8942
8 divisors
τ(n)  Total Divisors  8  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  14256  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  5314  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  94.562148875753  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  5.0179573512907  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 8,942 can be divided by 8 positive divisors (out of which 4 are even, and 4 are odd). The sum of these divisors (counting 8,942) is 14,256, the average is 1,782.
Other Arithmetic Functions (n = 8942)
φ(n)  Euler Totient  4192  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  2096  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 1115  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 4,192 positive integers (less than 8,942) that are coprime with 8,942. And there are approximately 1,115 prime numbers less than or equal to 8,942.
Divisibility of 8942
m  2  3  4  5  6  7  8  9 

n mod m  0  2  2  2  2  3  6  5 
The number 8,942 is divisible by 2.
Classification of 8942
By Arithmetic functions
 Arithmetic
 Deficient
Expressible via specific sums
 Polite
By Powers
 Square Free
Other numbers
 Sphenic
Base conversion (8942)
Base  System  Value 

2  Binary  10001011101110 
3  Ternary  110021012 
4  Quaternary  2023232 
5  Quinary  241232 
6  Senary  105222 
8  Octal  21356 
10  Decimal  8942 
12  Duodecimal  5212 
16  Hexadecimal  22ee 
20  Vigesimal  1272 
36  Base36  6we 
Basic calculations (n = 8942)
Multiplication
n×yn×2  17884 

n×3  26826 
n×4  35768 
n×5  44710 
Division
n÷yn÷2  4471.000 

n÷3  2980.666 
n÷4  2235.500 
n÷5  1788.400 
Exponentiation
n^{y}n^{2}  79959364 

n^{3}  714996632888 
n^{4}  6393499891284496 
n^{5}  57170676027865963232 
Nth Root
^{y}√n^{2}√n  94.562148875753 

^{3}√n  20.756058616946 
^{4}√n  9.7243071154583 
^{5}√n  6.1700251331852 
8942 as geometric shapes
Circle
Radius = nDiameter  17884 

Circumference  56184.2430168 
Area  251199750.52811 
Sphere
Radius = nVolume  2994970892296.5 

Surface area  1004799002.1124 
Circumference  56184.2430168 
Square
Length = nPerimeter  35768 

Area  79959364 
Diagonal  12645.89767474 
Cube
Length = nSurface area  479756184 

Volume  714996632888 
Space diagonal  15487.998321281 
Equilateral Triangle
Length = nPerimeter  26826 

Area  34623420.247223 
Altitude  7743.9991606405 
Triangular Pyramid
Length = nSurface area  138493680.98889 

Volume  84263161273.442 
Height  7301.1124266557 
Cryptographic Hash Functions
md5  3bf75f7173e9ff794fc9c53515defaad 

sha1  cff788778e5a2123e5c18c5039f77bb14ebd9c12 
sha256  a188b02f4a903f98a3132d7c1f1a7fe743b259a433c55eaaca6a9589f1cd38bd 
sha512  de98f76fc8730b08597b9023279c569a8c1040df87988da283b09a26a03b10142d8f2f0fec6b0395620d81381251a6679c37cd3d91a459c603ee272a1cbb9f1f 
ripemd160  09834cc151008e0db7d450a70fad2d41052b077d 