213643 (number)
213,643 (two hundred thirteen thousand six hundred fortythree) is an odd sixdigits composite number following 213642 and preceding 213644. In scientific notation, it is written as 2.13643 × 10^{5}. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 200,928 positive integers (up to 213643) that are relatively prime to 213643.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 6
 Sum of Digits 19
 Digital Root 1
Name
Short name  213 thousand 643 

Full name  two hundred thirteen thousand six hundred fortythree 
Notation
Scientific notation  2.13643 × 10^{5} 

Engineering notation  213.643 × 10^{3} 
Prime Factorization of 213643
Prime Factorization 29 × 53 × 139
Composite numberω(n)  Distinct Factors  3  Total number of distinct prime factors 

Ω(n)  Total Factors  3  Total number of prime factors 
rad(n)  Radical  213643  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 213,643 is 29 × 53 × 139. Since it has a total of 3 prime factors, 213,643 is a composite number.
Divisors of 213643
8 divisors
τ(n)  Total Divisors  8  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  226800  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  13157  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  28350  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  462.21531779031  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  7.5359082892416  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 213,643 can be divided by 8 positive divisors (out of which 0 are even, and 8 are odd). The sum of these divisors (counting 213,643) is 226,800, the average is 28,350.
Other Arithmetic Functions (n = 213643)
φ(n)  Euler Totient  200928  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  25116  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 19046  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 200,928 positive integers (less than 213,643) that are coprime with 213,643. And there are approximately 19,046 prime numbers less than or equal to 213,643.
Divisibility of 213643
m  2  3  4  5  6  7  8  9 

n mod m  1  1  3  3  1  3  3  1 
213,643 is not divisible by any number less than or equal to 9.
Classification of 213643
By Arithmetic functions
 Arithmetic
 Deficient
Expressible via specific sums
 Polite
By Powers
 Square Free
Other numbers
 LucasCarmichael
 Sphenic
Base conversion (213643)
Base  System  Value 

2  Binary  110100001010001011 
3  Ternary  101212001201 
4  Quaternary  310022023 
5  Quinary  23314033 
6  Senary  4325031 
8  Octal  641213 
10  Decimal  213643 
12  Duodecimal  a3777 
16  Hexadecimal  3428b 
20  Vigesimal  16e23 
36  Base36  4kuj 
Basic calculations (n = 213643)
Multiplication
n×yn×2  427286 

n×3  640929 
n×4  854572 
n×5  1068215 
Division
n÷yn÷2  106821.500 

n÷3  71214.333 
n÷4  53410.750 
n÷5  42728.600 
Exponentiation
n^{y}n^{2}  45643331449 

n^{3}  9751378260758707 
n^{4}  2083313705763272439601 
n^{5}  445085390040382813813676443 
Nth Root
^{y}√n^{2}√n  462.21531779031 

^{3}√n  59.780960594642 
^{4}√n  21.499193421855 
^{5}√n  11.639591362049 
213643 as geometric shapes
Circle
Radius = nDiameter  427286 

Circumference  1342358.5585818 
Area  143392754765.54 
Sphere
Radius = nVolume  4.0846477741833E+16 

Surface area  573571019062.17 
Circumference  1342358.5585818 
Square
Length = nPerimeter  854572 

Area  45643331449 
Diagonal  302136.82810608 
Cube
Length = nSurface area  273859988694 

Volume  9751378260758707 
Space diagonal  370040.53068144 
Equilateral Triangle
Length = nPerimeter  640929 

Area  19764142274.094 
Altitude  185020.26534072 
Triangular Pyramid
Length = nSurface area  79056569096.374 

Volume  1.1492109490163E+15 
Height  174438.77903914 
Cryptographic Hash Functions
md5  37d8f1a790849907253c79430d67c5b0 

sha1  9b2685260d9531e19a89f6b9125e99ad7b47425f 
sha256  289fa0d961aae4a1be880b59bbafe2a6280cf7a7452da94e9a42e15f7f84a1f3 
sha512  9330658b7a151bba2fcc77687db1e36b0af98c1ae4047a13a74029be212cc4441c6a5aa6430ee40d60ccb44dc1ddef4905c5ed34c54ecd3f378e0c920c79f9db 
ripemd160  7b36e4ac0dcb6c130faefda4277c822a2d82b745 