212540 (number)
212,540 (two hundred twelve thousand five hundred forty) is an even sixdigits composite number following 212539 and preceding 212541. In scientific notation, it is written as 2.1254 × 10^{5}. The sum of its digits is 14. It has a total of 4 prime factors and 12 positive divisors. There are 85,008 positive integers (up to 212540) that are relatively prime to 212540.
Basic properties
 Is Prime? No
 Number parity Even
 Number length 6
 Sum of Digits 14
 Digital Root 5
Name
Short name  212 thousand 540 

Full name  two hundred twelve thousand five hundred forty 
Notation
Scientific notation  2.1254 × 10^{5} 

Engineering notation  212.54 × 10^{3} 
Prime Factorization of 212540
Prime Factorization 2^{2} × 5 × 10627
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  106270  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 212,540 is 2^{2} × 5 × 10627. Since it has a total of 4 prime factors, 212,540 is a composite number.
Divisors of 212540
12 divisors
τ(n)  Total Divisors  12  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  446376  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  233836  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  37198  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  461.0206069147  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  5.7137480509705  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 212,540 can be divided by 12 positive divisors (out of which 8 are even, and 4 are odd). The sum of these divisors (counting 212,540) is 446,376, the average is 37,198.
Other Arithmetic Functions (n = 212540)
φ(n)  Euler Totient  85008  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  21252  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 18957  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 85,008 positive integers (less than 212,540) that are coprime with 212,540. And there are approximately 18,957 prime numbers less than or equal to 212,540.
Divisibility of 212540
m  2  3  4  5  6  7  8  9 

n mod m  0  2  0  0  2  6  4  5 
The number 212,540 is divisible by 2, 4 and 5.
Classification of 212540
By Arithmetic functions
 Arithmetic
 Abundant
Expressible via specific sums
 Polite
Base conversion (212540)
Base  System  Value 

2  Binary  110011111000111100 
3  Ternary  101210112212 
4  Quaternary  303320330 
5  Quinary  23300130 
6  Senary  4315552 
8  Octal  637074 
10  Decimal  212540 
12  Duodecimal  a2bb8 
16  Hexadecimal  33e3c 
20  Vigesimal  16b70 
36  Base36  4jzw 
Basic calculations (n = 212540)
Multiplication
n×yn×2  425080 

n×3  637620 
n×4  850160 
n×5  1062700 
Division
n÷yn÷2  106270.000 

n÷3  70846.666 
n÷4  53135.000 
n÷5  42508.000 
Exponentiation
n^{y}n^{2}  45173251600 

n^{3}  9601122895064000 
n^{4}  2040622660116902560000 
n^{5}  433713940181246470102400000 
Nth Root
^{y}√n^{2}√n  461.0206069147 

^{3}√n  59.677903622452 
^{4}√n  21.471390428072 
^{5}√n  11.62754784574 
212540 as geometric shapes
Circle
Radius = nDiameter  425080 

Circumference  1335428.2051879 
Area  141915955365.32 
Sphere
Radius = nVolume  4.0217089537794E+16 

Surface area  567663821461.29 
Circumference  1335428.2051879 
Square
Length = nPerimeter  850160 

Area  45173251600 
Diagonal  300576.95054678 
Cube
Length = nSurface area  271039509600 

Volume  9601122895064000 
Space diagonal  368130.07864069 
Equilateral Triangle
Length = nPerimeter  637620 

Area  19560591728.573 
Altitude  184065.03932034 
Triangular Pyramid
Length = nSurface area  78242366914.292 

Volume  1.1315031843509E+15 
Height  173538.18331038 
Cryptographic Hash Functions
md5  e0d6af9929c3d663b60a439e8cf417a2 

sha1  f4c44da24a10d3fb12f4c2adb67f0708a111ab45 
sha256  a467089cfb6baf8faff82e288ae882342ee1bd328880a2b9d5ad1458d445f345 
sha512  f224f5d61ca35791eb8e77581eb1de83ee537cc4c6cc1c086959c5eeb72981a9406fcb34100ed1be236d4a52048d0446a794d3517fa5a8eab6aca1fc45d3acb9 
ripemd160  6a70804e60958957b7d5dab7fff8eb39c6b9e3fa 