7242 (number)
7,242 (seven thousand two hundred fortytwo) is an even fourdigits composite number following 7241 and preceding 7243. In scientific notation, it is written as 7.242 × 10^{3}. The sum of its digits is 15. It has a total of 4 prime factors and 16 positive divisors. There are 2,240 positive integers (up to 7242) that are relatively prime to 7242.
Basic properties
 Is Prime? No
 Number parity Even
 Number length 4
 Sum of Digits 15
 Digital Root 6
Name
Short name  7 thousand 242 

Full name  seven thousand two hundred fortytwo 
Notation
Scientific notation  7.242 × 10^{3} 

Engineering notation  7.242 × 10^{3} 
Prime Factorization of 7242
Prime Factorization 2 × 3 × 17 × 71
Composite numberω(n)  Distinct Factors  4  Total number of distinct prime factors 

Ω(n)  Total Factors  4  Total number of prime factors 
rad(n)  Radical  7242  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 7,242 is 2 × 3 × 17 × 71. Since it has a total of 4 prime factors, 7,242 is a composite number.
Divisors of 7242
16 divisors
τ(n)  Total Divisors  16  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  15552  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  8310  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  972  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  85.099941245573  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  7.4506172839506  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 7,242 can be divided by 16 positive divisors (out of which 8 are even, and 8 are odd). The sum of these divisors (counting 7,242) is 15,552, the average is 972.
Other Arithmetic Functions (n = 7242)
φ(n)  Euler Totient  2240  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  560  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 928  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 2,240 positive integers (less than 7,242) that are coprime with 7,242. And there are approximately 928 prime numbers less than or equal to 7,242.
Divisibility of 7242
m  2  3  4  5  6  7  8  9 

n mod m  0  0  2  2  0  4  2  6 
The number 7,242 is divisible by 2, 3 and 6.
Classification of 7242
By Arithmetic functions
 Arithmetic
 Abundant
Expressible via specific sums
 Polite
By Powers
 Square Free
Base conversion (7242)
Base  System  Value 

2  Binary  1110001001010 
3  Ternary  100221020 
4  Quaternary  1301022 
5  Quinary  212432 
6  Senary  53310 
8  Octal  16112 
10  Decimal  7242 
12  Duodecimal  4236 
16  Hexadecimal  1c4a 
20  Vigesimal  i22 
36  Base36  5l6 
Basic calculations (n = 7242)
Multiplication
n×yn×2  14484 

n×3  21726 
n×4  28968 
n×5  36210 
Division
n÷yn÷2  3621.000 

n÷3  2414.000 
n÷4  1810.500 
n÷5  1448.400 
Exponentiation
n^{y}n^{2}  52446564 

n^{3}  379818016488 
n^{4}  2750642075406096 
n^{5}  19920149910090947232 
Nth Root
^{y}√n^{2}√n  85.099941245573 

^{3}√n  19.347261729512 
^{4}√n  9.224962940065 
^{5}√n  5.9152309298624 
7242 as geometric shapes
Circle
Radius = nDiameter  14484 

Circumference  45502.827994595 
Area  164765740.16843 
Sphere
Radius = nVolume  1590977987066.3 

Surface area  659062960.67371 
Circumference  45502.827994595 
Square
Length = nPerimeter  28968 

Area  52446564 
Diagonal  10241.734618706 
Cube
Length = nSurface area  314679384 

Volume  379818016488 
Space diagonal  12543.511948414 
Equilateral Triangle
Length = nPerimeter  21726 

Area  22710028.382603 
Altitude  6271.7559742069 
Triangular Pyramid
Length = nSurface area  90840113.530413 

Volume  44761982512.581 
Height  5913.0682390786 
Cryptographic Hash Functions
md5  a09b68ada5e8b2060f380a53c02cf3d8 

sha1  9ecc19e77398c7883573d349e51b4edbe369e551 
sha256  7599dc4548df450045cf9bc258c43c654ea6d4af04074eb0292262e3d5187d5b 
sha512  db683abfdebb03803a6a87860ddacd6c633e93e2a1b1f6c74d673c108654088b743076b80e353032c42fb8a23137558e938c14328cbd986aa65db068191852f8 
ripemd160  2092ebaec095daca9a79c38150ee22dec7fe053f 