27938 (number)
27,938 (twentyseven thousand nine hundred thirtyeight) is an even fivedigits composite number following 27937 and preceding 27939. In scientific notation, it is written as 2.7938 × 10^{4}. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 13,680 positive integers (up to 27938) that are relatively prime to 27938.
Basic properties
 Is Prime? No
 Number parity Even
 Number length 5
 Sum of Digits 29
 Digital Root 2
Name
Short name  27 thousand 938 

Full name  twentyseven thousand nine hundred thirtyeight 
Notation
Scientific notation  2.7938 × 10^{4} 

Engineering notation  27.938 × 10^{3} 
Prime Factorization of 27938
Prime Factorization 2 × 61 × 229
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  27938  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 27,938 is 2 × 61 × 229. Since it has a total of 3 prime factors, 27,938 is a composite number.
Divisors of 27938
8 divisors
τ(n)  Total Divisors  8  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  42780  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  14842  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  5347.5  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  167.14664220378  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  5.224497428705  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 27,938 can be divided by 8 positive divisors (out of which 4 are even, and 4 are odd). The sum of these divisors (counting 27,938) is 42,780, the average is 534,7.5.
Other Arithmetic Functions (n = 27938)
φ(n)  Euler Totient  13680  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  1140  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 3049  Total number of primes less than or equal to n 
r_{2}(n)  Sum of 2 squares  16  The number of ways n can be represented as the sum of 2 squares 
There are 13,680 positive integers (less than 27,938) that are coprime with 27,938. And there are approximately 3,049 prime numbers less than or equal to 27,938.
Divisibility of 27938
m  2  3  4  5  6  7  8  9 

n mod m  0  2  2  3  2  1  2  2 
The number 27,938 is divisible by 2.
Classification of 27938
By Arithmetic functions
 Deficient
Expressible via specific sums
 Polite
By Powers
 Square Free
Other numbers
 Sphenic
Base conversion (27938)
Base  System  Value 

2  Binary  110110100100010 
3  Ternary  1102022202 
4  Quaternary  12310202 
5  Quinary  1343223 
6  Senary  333202 
8  Octal  66442 
10  Decimal  27938 
12  Duodecimal  14202 
16  Hexadecimal  6d22 
20  Vigesimal  39gi 
36  Base36  lk2 
Basic calculations (n = 27938)
Multiplication
n×yn×2  55876 

n×3  83814 
n×4  111752 
n×5  139690 
Division
n÷yn÷2  13969.000 

n÷3  9312.666 
n÷4  6984.500 
n÷5  5587.600 
Exponentiation
n^{y}n^{2}  780531844 

n^{3}  21806498657672 
n^{4}  609229959498040336 
n^{5}  17020666608456250907168 
Nth Root
^{y}√n^{2}√n  167.14664220378 

^{3}√n  30.343460236906 
^{4}√n  12.928520495547 
^{5}√n  7.748882269374 
27938 as geometric shapes
Circle
Radius = nDiameter  55876 

Circumference  175539.63111198 
Area  2452113107.0033 
Sphere
Radius = nVolume  91342847977944 

Surface area  9808452428.0132 
Circumference  175539.63111198 
Square
Length = nPerimeter  111752 

Area  780531844 
Diagonal  39510.29850558 
Cube
Length = nSurface area  4683191064 

Volume  21806498657672 
Space diagonal  48390.035461859 
Equilateral Triangle
Length = nPerimeter  83814 

Area  337980202.68336 
Altitude  24195.01773093 
Triangular Pyramid
Length = nSurface area  1351920810.7334 

Volume  2569920512462.5 
Height  22811.281477959 
Cryptographic Hash Functions
md5  8ee15923664a1ff58e5f7fddfdb91679 

sha1  bd3b28e7fd357d4f99bd18fcb0fddc0eb1be6d7a 
sha256  d7c366e094878303edfb6ba08a157bf48631138dac228ec0244f3aa0cb2f6461 
sha512  fe600ddd45e779c7b80bbe153dba6f96f0e94d75c40b4794efc919e004055bdc0835595ff5bd3956929e155ba87a8b1573fd4ce68fe6c338d850f446e575d922 
ripemd160  33b005373c6a2ef3b2894a78822ea859ef9e245f 