26905 (number)
26,905 (twentysix thousand nine hundred five) is an odd fivedigits composite number following 26904 and preceding 26906. In scientific notation, it is written as 2.6905 × 10^{4}. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 21,520 positive integers (up to 26905) that are relatively prime to 26905.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 5
 Sum of Digits 22
 Digital Root 4
Name
Short name  26 thousand 905 

Full name  twentysix thousand nine hundred five 
Notation
Scientific notation  2.6905 × 10^{4} 

Engineering notation  26.905 × 10^{3} 
Prime Factorization of 26905
Prime Factorization 5 × 5381
Composite numberω(n)  Distinct Factors  2  Total number of distinct prime factors 

Ω(n)  Total Factors  2  Total number of prime factors 
rad(n)  Radical  26905  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 26,905 is 5 × 5381. Since it has a total of 2 prime factors, 26,905 is a composite number.
Divisors of 26905
4 divisors
τ(n)  Total Divisors  4  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  32292  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  5387  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  8073  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  164.02743672935  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  3.3327139848879  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 26,905 can be divided by 4 positive divisors (out of which 0 are even, and 4 are odd). The sum of these divisors (counting 26,905) is 32,292, the average is 8,073.
Other Arithmetic Functions (n = 26905)
φ(n)  Euler Totient  21520  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  5380  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 2949  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 21,520 positive integers (less than 26,905) that are coprime with 26,905. And there are approximately 2,949 prime numbers less than or equal to 26,905.
Divisibility of 26905
m  2  3  4  5  6  7  8  9 

n mod m  1  1  1  0  1  4  1  4 
The number 26,905 is divisible by 5.
Classification of 26905
By Arithmetic functions
 Arithmetic
 Semiprime
 Deficient
Expressible via specific sums
 Polite
By Powers
 Square Free
Other numbers
 LucasCarmichael
Base conversion (26905)
Base  System  Value 

2  Binary  110100100011001 
3  Ternary  1100220111 
4  Quaternary  12210121 
5  Quinary  1330110 
6  Senary  324321 
8  Octal  64431 
10  Decimal  26905 
12  Duodecimal  136a1 
16  Hexadecimal  6919 
20  Vigesimal  3755 
36  Base36  krd 
Basic calculations (n = 26905)
Multiplication
n×yn×2  53810 

n×3  80715 
n×4  107620 
n×5  134525 
Division
n÷yn÷2  13452.500 

n÷3  8968.333 
n÷4  6726.250 
n÷5  5381.000 
Exponentiation
n^{y}n^{2}  723879025 

n^{3}  19475965167625 
n^{4}  524000842834950625 
n^{5}  14098242676474346565625 
Nth Root
^{y}√n^{2}√n  164.02743672935 

^{3}√n  29.964773467385 
^{4}√n  12.807319654375 
^{5}√n  7.6907129027112 
26905 as geometric shapes
Circle
Radius = nDiameter  53810 

Circumference  169049.10068967 
Area  2274133027.0277 
Sphere
Radius = nVolume  81580732122909 

Surface area  9096532108.111 
Circumference  169049.10068967 
Square
Length = nPerimeter  107620 

Area  723879025 
Diagonal  38049.415895648 
Cube
Length = nSurface area  4343274150 

Volume  19475965167625 
Space diagonal  46600.826977641 
Equilateral Triangle
Length = nPerimeter  80715 

Area  313448812.45836 
Altitude  23300.41348882 
Triangular Pyramid
Length = nSurface area  1253795249.8334 

Volume  2295264506696.8 
Height  21967.84050986 
Cryptographic Hash Functions
md5  4c640b1fc62a2bf43bdc238cf7921adf 

sha1  0bb2ccdec38424d730facc921d914f89bc27e273 
sha256  a0bc3d219f9c163ecaf5086c4ea2985279e697f5d876980713be5a7c86518500 
sha512  8fd682e9d1aadb8993dff4f87d75427048b8c42e48271688786ea697727155a9ec77fa381c3bf5ae0a4d6d6f03dd77e38ded4755d71ddd008b4bcdce903f2a35 
ripemd160  57fa45dc0ff54882e4e3ec3b35983f0a08c4dade 