218013 (number)
218,013 (two hundred eighteen thousand thirteen) is an odd sixdigits composite number following 218012 and preceding 218014. In scientific notation, it is written as 2.18013 × 10^{5}. The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors. There are 145,340 positive integers (up to 218013) that are relatively prime to 218013.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 6
 Sum of Digits 15
 Digital Root 6
Name
Short name  218 thousand 13 

Full name  two hundred eighteen thousand thirteen 
Notation
Scientific notation  2.18013 × 10^{5} 

Engineering notation  218.013 × 10^{3} 
Prime Factorization of 218013
Prime Factorization 3 × 72671
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  218013  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 218,013 is 3 × 72671. Since it has a total of 2 prime factors, 218,013 is a composite number.
Divisors of 218013
4 divisors
τ(n)  Total Divisors  4  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  290688  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  72675  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  72672  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  466.91862246006  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  2.9999587186262  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 218,013 can be divided by 4 positive divisors (out of which 0 are even, and 4 are odd). The sum of these divisors (counting 218,013) is 290,688, the average is 72,672.
Other Arithmetic Functions (n = 218013)
φ(n)  Euler Totient  145340  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  72670  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 19401  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 145,340 positive integers (less than 218,013) that are coprime with 218,013. And there are approximately 19,401 prime numbers less than or equal to 218,013.
Divisibility of 218013
m  2  3  4  5  6  7  8  9 

n mod m  1  0  1  3  3  5  5  6 
The number 218,013 is divisible by 3.
Classification of 218013
By Arithmetic functions
 Arithmetic
 Semiprime
 Deficient
Expressible via specific sums
 Polite
 Nonhypotenuse
By Powers
 Square Free
Other numbers
 LucasCarmichael
Base conversion (218013)
Base  System  Value 

2  Binary  110101001110011101 
3  Ternary  102002001120 
4  Quaternary  311032131 
5  Quinary  23434023 
6  Senary  4401153 
8  Octal  651635 
10  Decimal  218013 
12  Duodecimal  a61b9 
16  Hexadecimal  3539d 
20  Vigesimal  1750d 
36  Base36  4o7x 
Basic calculations (n = 218013)
Multiplication
n×yn×2  436026 

n×3  654039 
n×4  872052 
n×5  1090065 
Division
n÷yn÷2  109006.500 

n÷3  72671.000 
n÷4  54503.250 
n÷5  43602.600 
Exponentiation
n^{y}n^{2}  47529668169 

n^{3}  10362085546528197 
n^{4}  2259069356255251812561 
n^{5}  492506487565276213411861293 
Nth Root
^{y}√n^{2}√n  466.91862246006 

^{3}√n  60.185812854583 
^{4}√n  21.608299851216 
^{5}√n  11.686823313216 
218013 as geometric shapes
Circle
Radius = nDiameter  436026 

Circumference  1369816.0783741 
Area  149318856347.29 
Sphere
Radius = nVolume  4.3404602438456E+16 

Surface area  597275425389.16 
Circumference  1369816.0783741 
Square
Length = nPerimeter  872052 

Area  47529668169 
Diagonal  308316.94137365 
Cube
Length = nSurface area  285178009014 

Volume  10362085546528197 
Space diagonal  377609.59271051 
Equilateral Triangle
Length = nPerimeter  654039 

Area  20580950033.899 
Altitude  188804.79635526 
Triangular Pyramid
Length = nSurface area  82323800135.597 

Volume  1.2211834928642E+15 
Height  178006.8690978 
Cryptographic Hash Functions
md5  e2f1b72571f8b27c6337283426191d0f 

sha1  438dedc9a591102c3349302fc22edc7e0f8a586d 
sha256  d4c871d7452a35df9641b603c8acd1dab5c10ffc12fd2c66a26111dca0139677 
sha512  01ec324ebca5509d4389a0af4803d9b0bffbe46041fea76017aae8ed3ef94b2a81e6f4bc799966b8d436542116abb390021282ef752dc4266ee098819d0a23ee 
ripemd160  11f4746eb9b9bdf9aaacdd0598eee3cb464cfc2f 