212844 (number)
212,844 (two hundred twelve thousand eight hundred fortyfour) is an even sixdigits composite number following 212843 and preceding 212845. In scientific notation, it is written as 2.12844 × 10^{5}. The sum of its digits is 21. It has a total of 4 prime factors and 12 positive divisors. There are 70,944 positive integers (up to 212844) that are relatively prime to 212844.
Basic properties
 Is Prime? No
 Number parity Even
 Number length 6
 Sum of Digits 21
 Digital Root 3
Name
Short name  212 thousand 844 

Full name  two hundred twelve thousand eight hundred fortyfour 
Notation
Scientific notation  2.12844 × 10^{5} 

Engineering notation  212.844 × 10^{3} 
Prime Factorization of 212844
Prime Factorization 2^{2} × 3 × 17737
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  106422  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 212,844 is 2^{2} × 3 × 17737. Since it has a total of 4 prime factors, 212,844 is a composite number.
Divisors of 212844
12 divisors
τ(n)  Total Divisors  12  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  496664  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  283820  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  41388.666  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  461.35019237018  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  5.1425672084146  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 212,844 can be divided by 12 positive divisors (out of which 8 are even, and 4 are odd). The sum of these divisors (counting 212,844) is 496,664, the average is 413,88.,666.
Other Arithmetic Functions (n = 212844)
φ(n)  Euler Totient  70944  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  17736  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 18981  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 70,944 positive integers (less than 212,844) that are coprime with 212,844. And there are approximately 18,981 prime numbers less than or equal to 212,844.
Divisibility of 212844
m  2  3  4  5  6  7  8  9 

n mod m  0  0  0  4  0  2  4  3 
The number 212,844 is divisible by 2, 3, 4 and 6.
Classification of 212844
By Arithmetic functions
 Refactorable
 Abundant
Expressible via specific sums
 Polite
Base conversion (212844)
Base  System  Value 

2  Binary  110011111101101100 
3  Ternary  101210222010 
4  Quaternary  303331230 
5  Quinary  23302334 
6  Senary  4321220 
8  Octal  637554 
10  Decimal  212844 
12  Duodecimal  a3210 
16  Hexadecimal  33f6c 
20  Vigesimal  16c24 
36  Base36  4k8c 
Basic calculations (n = 212844)
Multiplication
n×yn×2  425688 

n×3  638532 
n×4  851376 
n×5  1064220 
Division
n÷yn÷2  106422.000 

n÷3  70948.000 
n÷4  53211.000 
n÷5  42568.800 
Exponentiation
n^{y}n^{2}  45302568336 

n^{3}  9642379854907584 
n^{4}  2052322697837949808896 
n^{5}  436824572298620589124660224 
Nth Root
^{y}√n^{2}√n  461.35019237018 

^{3}√n  59.706342880807 
^{4}√n  21.479064047816 
^{5}√n  11.630872164868 
212844 as geometric shapes
Circle
Radius = nDiameter  425688 

Circumference  1337338.2935213 
Area  142322215873.13 
Sphere
Radius = nVolume  4.0389906287067E+16 

Surface area  569288863492.51 
Circumference  1337338.2935213 
Square
Length = nPerimeter  851376 

Area  45302568336 
Diagonal  301006.87146974 
Cube
Length = nSurface area  271815410016 

Volume  9642379854907584 
Space diagonal  368656.62208619 
Equilateral Triangle
Length = nPerimeter  638532 

Area  19616587517.828 
Altitude  184328.3110431 
Triangular Pyramid
Length = nSurface area  78466350071.313 

Volume  1.136365363697E+15 
Height  173786.39827098 
Cryptographic Hash Functions
md5  82b52d8db3aa947f5a1c94997f22eec6 

sha1  2f0ae5a8c64153faa7008c9b7c831e46064374cd 
sha256  577da8351d4c1ffefe1bbb84820dd4f8da244946934ed92afa3031eefea7d940 
sha512  e9471b310da2af9d432da6de67cacd5af8e9d53011431c62ed0756a03073ff2d70680efffeee77d4b8e4b8a1bc0b56fa5e9dc42e54ab38923fafc91743fb3879 
ripemd160  b8971d18c6a95580269c9637d2fc2875cc8074b8 