213668 (number)
213,668 (two hundred thirteen thousand six hundred sixtyeight) is an even sixdigits composite number following 213667 and preceding 213669. In scientific notation, it is written as 2.13668 × 10^{5}. The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors. There are 84,384 positive integers (up to 213668) that are relatively prime to 213668.
Basic properties
 Is Prime? No
 Number parity Even
 Number length 6
 Sum of Digits 26
 Digital Root 8
Name
Short name  213 thousand 668 

Full name  two hundred thirteen thousand six hundred sixtyeight 
Notation
Scientific notation  2.13668 × 10^{5} 

Engineering notation  213.668 × 10^{3} 
Prime Factorization of 213668
Prime Factorization 2^{2} × 7 × 13 × 587
Composite numberω(n)  Distinct Factors  4  Total number of distinct prime factors 

Ω(n)  Total Factors  5  Total number of prime factors 
rad(n)  Radical  106834  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 213,668 is 2^{2} × 7 × 13 × 587. Since it has a total of 5 prime factors, 213,668 is a composite number.
Divisors of 213668
24 divisors
τ(n)  Total Divisors  24  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  460992  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  247324  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  19208  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  462.24236067241  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  11.123906705539  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 213,668 can be divided by 24 positive divisors (out of which 16 are even, and 8 are odd). The sum of these divisors (counting 213,668) is 460,992, the average is 19,208.
Other Arithmetic Functions (n = 213668)
φ(n)  Euler Totient  84384  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  3516  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 19048  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 84,384 positive integers (less than 213,668) that are coprime with 213,668. And there are approximately 19,048 prime numbers less than or equal to 213,668.
Divisibility of 213668
m  2  3  4  5  6  7  8  9 

n mod m  0  2  0  3  2  0  4  8 
The number 213,668 is divisible by 2, 4 and 7.
Classification of 213668
By Arithmetic functions
 Arithmetic
 Abundant
Expressible via specific sums
 Polite
 Practical
Base conversion (213668)
Base  System  Value 

2  Binary  110100001010100100 
3  Ternary  101212002122 
4  Quaternary  310022210 
5  Quinary  23314133 
6  Senary  4325112 
8  Octal  641244 
10  Decimal  213668 
12  Duodecimal  a3798 
16  Hexadecimal  342a4 
20  Vigesimal  16e38 
36  Base36  4kv8 
Basic calculations (n = 213668)
Multiplication
n×yn×2  427336 

n×3  641004 
n×4  854672 
n×5  1068340 
Division
n÷yn÷2  106834.000 

n÷3  71222.666 
n÷4  53417.000 
n÷5  42733.600 
Exponentiation
n^{y}n^{2}  45654014224 

n^{3}  9754801911213632 
n^{4}  2084289014765194322176 
n^{5}  445345865206849540430701568 
Nth Root
^{y}√n^{2}√n  462.24236067241 

^{3}√n  59.7832923127 
^{4}√n  21.499822340485 
^{5}√n  11.639863756805 
213668 as geometric shapes
Circle
Radius = nDiameter  427336 

Circumference  1342515.6382144 
Area  143426315693 
Sphere
Radius = nVolume  4.0860818695323E+16 

Surface area  573705262772.01 
Circumference  1342515.6382144 
Square
Length = nPerimeter  854672 

Area  45654014224 
Diagonal  302172.18344513 
Cube
Length = nSurface area  273924085344 

Volume  9754801911213632 
Space diagonal  370083.83195163 
Equilateral Triangle
Length = nPerimeter  641004 

Area  19768768051.36 
Altitude  185041.91597581 
Triangular Pyramid
Length = nSurface area  79075072205.44 

Volume  1.1496144300918E+15 
Height  174459.19145367 
Cryptographic Hash Functions
md5  8352a2ed0861d064cdea31c84dd380fd 

sha1  2663a807cc5ba001cdce8f96037872654bf8dfa9 
sha256  a32c1a06877afa8cd45c9ad0be3c8a1998c7e35f3ff2ac0428580d5d78c5afca 
sha512  9ea3a3145fa17a4a4a41d4f2a3b91aeb7d9a6a9978695e65d4ea888821e43451f33c88a52f647f59e178f0be8738d261b8d035a16f8d2b64152c37eab2d982c3 
ripemd160  2650f3aac4d50282eaee6be6bdefc789f34aba7b 