54905 (number)
54,905 (fiftyfour thousand nine hundred five) is an odd fivedigits composite number following 54904 and preceding 54906. In scientific notation, it is written as 5.4905 × 10^{4}. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 43,056 positive integers (up to 54905) that are relatively prime to 54905.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 5
 Sum of Digits 23
 Digital Root 5
Name
Short name  54 thousand 905 

Full name  fiftyfour thousand nine hundred five 
Notation
Scientific notation  5.4905 × 10^{4} 

Engineering notation  54.905 × 10^{3} 
Prime Factorization of 54905
Prime Factorization 5 × 79 × 139
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  54905  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 54,905 is 5 × 79 × 139. Since it has a total of 3 prime factors, 54,905 is a composite number.
Divisors of 54905
8 divisors
τ(n)  Total Divisors  8  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  67200  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  12295  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  8400  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  234.31815977427  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  6.5363095238095  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 54,905 can be divided by 8 positive divisors (out of which 0 are even, and 8 are odd). The sum of these divisors (counting 54,905) is 67,200, the average is 8,400.
Other Arithmetic Functions (n = 54905)
φ(n)  Euler Totient  43056  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  3588  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 5580  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 43,056 positive integers (less than 54,905) that are coprime with 54,905. And there are approximately 5,580 prime numbers less than or equal to 54,905.
Divisibility of 54905
m  2  3  4  5  6  7  8  9 

n mod m  1  2  1  0  5  4  1  5 
The number 54,905 is divisible by 5.
Classification of 54905
By Arithmetic functions
 Arithmetic
 Deficient
Expressible via specific sums
 Polite
By Powers
 Square Free
Other numbers
 LucasCarmichael
 Sphenic
Base conversion (54905)
Base  System  Value 

2  Binary  1101011001111001 
3  Ternary  2210022112 
4  Quaternary  31121321 
5  Quinary  3224110 
6  Senary  1102105 
8  Octal  153171 
10  Decimal  54905 
12  Duodecimal  27935 
16  Hexadecimal  d679 
20  Vigesimal  6h55 
36  Base36  16d5 
Basic calculations (n = 54905)
Multiplication
n×yn×2  109810 

n×3  164715 
n×4  219620 
n×5  274525 
Division
n÷yn÷2  27452.500 

n÷3  18301.666 
n÷4  13726.250 
n÷5  10981.000 
Exponentiation
n^{y}n^{2}  3014559025 

n^{3}  165514363267625 
n^{4}  9087566115208950625 
n^{5}  498952817555547434065625 
Nth Root
^{y}√n^{2}√n  234.31815977427 

^{3}√n  38.007616201942 
^{4}√n  15.30745438583 
^{5}√n  8.869974660973 
54905 as geometric shapes
Circle
Radius = nDiameter  109810 

Circumference  344978.2892907 
Area  9470516486.7528 
Sphere
Radius = nVolume  6.9330494360688E+14 

Surface area  37882065947.011 
Circumference  344978.2892907 
Square
Length = nPerimeter  219620 

Area  3014559025 
Diagonal  77647.395642095 
Cube
Length = nSurface area  18087354150 

Volume  165514363267625 
Space diagonal  95098.249589569 
Equilateral Triangle
Length = nPerimeter  164715 

Area  1305342348.4288 
Altitude  47549.124794785 
Triangular Pyramid
Length = nSurface area  5221369393.7153 

Volume  19506054775052 
Height  44829.744775837 
Cryptographic Hash Functions
md5  f13989c13ba269621a1b1135c3be3617 

sha1  1ba14784c1c6b8f62fae8df3c19fb30cc5a35cc9 
sha256  cf9aaf5df9694fe52602c21bafa04293a06458b804029794670cf2232ac149d5 
sha512  4f995ab76a7d25263b12905c30cd2b8ec0b42731b7001e9dc278a45c6fa982d91bf520d011d28aa4fdd7aecc31ba7d9184fa204926feae7cbea87c825575b018 
ripemd160  aaaefcf77778678c042deb0d9a49098c753885a1 