218001 (number)
218,001 (two hundred eighteen thousand one) is an odd sixdigits composite number following 218000 and preceding 218002. In scientific notation, it is written as 2.18001 × 10^{5}. The sum of its digits is 12. It has a total of 4 prime factors and 12 positive divisors. There are 124,488 positive integers (up to 218001) that are relatively prime to 218001.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 6
 Sum of Digits 12
 Digital Root 3
Name
Short name  218 thousand 1 

Full name  two hundred eighteen thousand one 
Notation
Scientific notation  2.18001 × 10^{5} 

Engineering notation  218.001 × 10^{3} 
Prime Factorization of 218001
Prime Factorization 3 × 7^{2} × 1483
Composite numberω(n)  Distinct Factors  3  Total number of distinct prime factors 

Ω(n)  Total Factors  4  Total number of prime factors 
rad(n)  Radical  31143  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 218,001 is 3 × 7^{2} × 1483. Since it has a total of 4 prime factors, 218,001 is a composite number.
Divisors of 218001
12 divisors
τ(n)  Total Divisors  12  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  338352  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  120351  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  28196  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  466.90577207826  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  7.7316285998014  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 218,001 can be divided by 12 positive divisors (out of which 0 are even, and 12 are odd). The sum of these divisors (counting 218,001) is 338,352, the average is 28,196.
Other Arithmetic Functions (n = 218001)
φ(n)  Euler Totient  124488  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  10374  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 19400  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 124,488 positive integers (less than 218,001) that are coprime with 218,001. And there are approximately 19,400 prime numbers less than or equal to 218,001.
Divisibility of 218001
m  2  3  4  5  6  7  8  9 

n mod m  1  0  1  1  3  0  1  3 
The number 218,001 is divisible by 3 and 7.
Classification of 218001
By Arithmetic functions
 Arithmetic
 Deficient
Expressible via specific sums
 Polite
 Nonhypotenuse
Base conversion (218001)
Base  System  Value 

2  Binary  110101001110010001 
3  Ternary  102002001010 
4  Quaternary  311032101 
5  Quinary  23434001 
6  Senary  4401133 
8  Octal  651621 
10  Decimal  218001 
12  Duodecimal  a61a9 
16  Hexadecimal  35391 
20  Vigesimal  17501 
36  Base36  4o7l 
Basic calculations (n = 218001)
Multiplication
n×yn×2  436002 

n×3  654003 
n×4  872004 
n×5  1090005 
Division
n÷yn÷2  109000.500 

n÷3  72667.000 
n÷4  54500.250 
n÷5  43600.200 
Exponentiation
n^{y}n^{2}  47524436001 

n^{3}  10360374572654001 
n^{4}  2258572017213144872001 
n^{5}  492370958324482795241090001 
Nth Root
^{y}√n^{2}√n  466.90577207826 

^{3}√n  60.184708573331 
^{4}√n  21.608002500885 
^{5}√n  11.68669465578 
218001 as geometric shapes
Circle
Radius = nDiameter  436002 

Circumference  1369740.6801505 
Area  149302419006.74 
Sphere
Radius = nVolume  4.3397435527851E+16 

Surface area  597209676026.96 
Circumference  1369740.6801505 
Square
Length = nPerimeter  872004 

Area  47524436001 
Diagonal  308299.9708109 
Cube
Length = nSurface area  285146616006 

Volume  10360374572654001 
Space diagonal  377588.80810082 
Equilateral Triangle
Length = nPerimeter  654003 

Area  20578684438.697 
Altitude  188794.40405041 
Triangular Pyramid
Length = nSurface area  82314737754.787 

Volume  1.2209818526594E+15 
Height  177997.07113883 
Cryptographic Hash Functions
md5  bfa05f3ddcbea4cb2b5a6f532fb558e0 

sha1  ba000c9a2496991632cd6115206e9cc7c3dbb46f 
sha256  0eced09a5a8d91c0b378ed006ac4d427f93e2d4f9dd48b1ad22ee01f56a57ddf 
sha512  f61bfbf4e4153bf95365a1e4e52fc6da5b809a055d286c4d0018bfa5c333698303b7fe0831a2ab030a852a3cd7432ff25b0e5dfa5d9d3df159e4cbbe6806f4d5 
ripemd160  f78372cd0b9d0c6a914531ce24b2b931f7c93901 