40542 (number)
40,542 (forty thousand five hundred fortytwo) is an even fivedigits composite number following 40541 and preceding 40543. In scientific notation, it is written as 4.0542 × 10^{4}. The sum of its digits is 15. It has a total of 4 prime factors and 16 positive divisors. There are 12,992 positive integers (up to 40542) that are relatively prime to 40542.
Basic properties
 Is Prime? No
 Number parity Even
 Number length 5
 Sum of Digits 15
 Digital Root 6
Name
Short name  40 thousand 542 

Full name  forty thousand five hundred fortytwo 
Notation
Scientific notation  4.0542 × 10^{4} 

Engineering notation  40.542 × 10^{3} 
Prime Factorization of 40542
Prime Factorization 2 × 3 × 29 × 233
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  40542  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 40,542 is 2 × 3 × 29 × 233. Since it has a total of 4 prime factors, 40,542 is a composite number.
Divisors of 40542
16 divisors
τ(n)  Total Divisors  16  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  84240  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  43698  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  5265  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  201.35044077429  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  7.7002849002849  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 40,542 can be divided by 16 positive divisors (out of which 8 are even, and 8 are odd). The sum of these divisors (counting 40,542) is 84,240, the average is 5,265.
Other Arithmetic Functions (n = 40542)
φ(n)  Euler Totient  12992  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  1624  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 4251  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 12,992 positive integers (less than 40,542) that are coprime with 40,542. And there are approximately 4,251 prime numbers less than or equal to 40,542.
Divisibility of 40542
m  2  3  4  5  6  7  8  9 

n mod m  0  0  2  2  0  5  6  6 
The number 40,542 is divisible by 2, 3 and 6.
Classification of 40542
By Arithmetic functions
 Arithmetic
 Abundant
Expressible via specific sums
 Polite
By Powers
 Square Free
Base conversion (40542)
Base  System  Value 

2  Binary  1001111001011110 
3  Ternary  2001121120 
4  Quaternary  21321132 
5  Quinary  2244132 
6  Senary  511410 
8  Octal  117136 
10  Decimal  40542 
12  Duodecimal  1b566 
16  Hexadecimal  9e5e 
20  Vigesimal  5172 
36  Base36  va6 
Basic calculations (n = 40542)
Multiplication
n×yn×2  81084 

n×3  121626 
n×4  162168 
n×5  202710 
Division
n÷yn÷2  20271.000 

n÷3  13514.000 
n÷4  10135.500 
n÷5  8108.400 
Exponentiation
n^{y}n^{2}  1643653764 

n^{3}  66637010900088 
n^{4}  2701597695911367696 
n^{5}  109528173787638669131232 
Nth Root
^{y}√n^{2}√n  201.35044077429 

^{3}√n  34.353294286032 
^{4}√n  14.189800589659 
^{5}√n  8.3479729637192 
40542 as geometric shapes
Circle
Radius = nDiameter  81084 

Circumference  254732.89872367 
Area  5163690590.0276 
Sphere
Radius = nVolume  2.7912845853453E+14 

Surface area  20654762360.11 
Circumference  254732.89872367 
Square
Length = nPerimeter  162168 

Area  1643653764 
Diagonal  57335.04624573 
Cube
Length = nSurface area  9861922584 

Volume  66637010900088 
Space diagonal  70220.803840457 
Equilateral Triangle
Length = nPerimeter  121626 

Area  711722957.32496 
Altitude  35110.401920229 
Triangular Pyramid
Length = nSurface area  2846891829.2998 

Volume  7853247047575.7 
Height  33102.404383972 
Cryptographic Hash Functions
md5  db5aaf4d715a4bf8247fef10ee7698ca 

sha1  04b42f134040e1da0dbc3a0f0e538e77d1cdd376 
sha256  710b0b53768995b8f56abc1b3beeafad1abdd3cff8fe22c86fc644c137e0c2b9 
sha512  1de7b1b45d82b94dafabe7c784939e59ccb495af87bee87e0002c19b0384f6201831da49270e5f5a9af0cfb511dbdd1f69fdf89fb709b9ab0011cb1793493cd3 
ripemd160  e1b2ce5c35ee813334610a95e0159765d8e6446d 