27801 (number)
27,801 (twentyseven thousand eight hundred one) is an odd fivedigits composite number following 27800 and preceding 27802. In scientific notation, it is written as 2.7801 × 10^{4}. The sum of its digits is 18. It has a total of 3 prime factors and 6 positive divisors. There are 18,528 positive integers (up to 27801) that are relatively prime to 27801.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 5
 Sum of Digits 18
 Digital Root 9
Name
Short name  27 thousand 801 

Full name  twentyseven thousand eight hundred one 
Notation
Scientific notation  2.7801 × 10^{4} 

Engineering notation  27.801 × 10^{3} 
Prime Factorization of 27801
Prime Factorization 3^{2} × 3089
Composite numberω(n)  Distinct Factors  2  Total number of distinct prime factors 

Ω(n)  Total Factors  3  Total number of prime factors 
rad(n)  Radical  9267  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  0  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 27,801 is 3^{2} × 3089. Since it has a total of 3 prime factors, 27,801 is a composite number.
Divisors of 27801
6 divisors
τ(n)  Total Divisors  6  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  40170  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  12369  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  6695  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  166.73631877908  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  4.152501867065  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 27,801 can be divided by 6 positive divisors (out of which 0 are even, and 6 are odd). The sum of these divisors (counting 27,801) is 40,170, the average is 6,695.
Other Arithmetic Functions (n = 27801)
φ(n)  Euler Totient  18528  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  9264  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 3036  Total number of primes less than or equal to n 
r_{2}(n)  Sum of 2 squares  8  The number of ways n can be represented as the sum of 2 squares 
There are 18,528 positive integers (less than 27,801) that are coprime with 27,801. And there are approximately 3,036 prime numbers less than or equal to 27,801.
Divisibility of 27801
m  2  3  4  5  6  7  8  9 

n mod m  1  0  1  1  3  4  1  0 
The number 27,801 is divisible by 3 and 9.
Classification of 27801
By Arithmetic functions
 Arithmetic
 Deficient
Expressible via specific sums
 Polite
Base conversion (27801)
Base  System  Value 

2  Binary  110110010011001 
3  Ternary  1102010200 
4  Quaternary  12302121 
5  Quinary  1342201 
6  Senary  332413 
8  Octal  66231 
10  Decimal  27801 
12  Duodecimal  14109 
16  Hexadecimal  6c99 
20  Vigesimal  39a1 
36  Base36  lg9 
Basic calculations (n = 27801)
Multiplication
n×yn×2  55602 

n×3  83403 
n×4  111204 
n×5  139005 
Division
n÷yn÷2  13900.500 

n÷3  9267.000 
n÷4  6950.250 
n÷5  5560.200 
Exponentiation
n^{y}n^{2}  772895601 

n^{3}  21487270603401 
n^{4}  597367610045151201 
n^{5}  16607416926865248539001 
Nth Root
^{y}√n^{2}√n  166.73631877908 

^{3}√n  30.293780378791 
^{4}√n  12.912641820289 
^{5}√n  7.7412676561147 
27801 as geometric shapes
Circle
Radius = nDiameter  55602 

Circumference  174678.8347249 
Area  2428123142.0935 
Sphere
Radius = nVolume  90005668631121 

Surface area  9712492568.3739 
Circumference  174678.8347249 
Square
Length = nPerimeter  111204 

Area  772895601 
Diagonal  39316.551247534 
Cube
Length = nSurface area  4637373606 

Volume  21487270603401 
Space diagonal  48152.744501222 
Equilateral Triangle
Length = nPerimeter  83403 

Area  334673612.46962 
Altitude  24076.372250611 
Triangular Pyramid
Length = nSurface area  1338694449.8785 

Volume  2532299125475.9 
Height  22699.421446372 
Cryptographic Hash Functions
md5  c2022b24f0b91de47194bcc16e578f02 

sha1  68431c603d99c81ed9d6b369348261333f2543b4 
sha256  090359276fa541542aab00ec5d7dcff241d1a87138a4d5c54ead5c5970e01157 
sha512  d34c3bfc620dc089a888d66b98fd87eac513a396307427208f2a5d24d84c8f2bb8da9fc428db9152d4982162d1456fc12446b9df8463558f44b81927bd1a8a50 
ripemd160  4a08d594f3cb8cf088eb9d2a31f7f2934ffde227 