2863 (number)
2,863 (two thousand eight hundred sixtythree) is an odd fourdigits composite number following 2862 and preceding 2864. In scientific notation, it is written as 2.863 × 10^{3}. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 2,448 positive integers (up to 2863) that are relatively prime to 2863.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 4
 Sum of Digits 19
 Digital Root 1
Name
Short name  2 thousand 863 

Full name  two thousand eight hundred sixtythree 
Notation
Scientific notation  2.863 × 10^{3} 

Engineering notation  2.863 × 10^{3} 
Prime Factorization of 2863
Prime Factorization 7 × 409
Composite numberω(n)  Distinct Factors  2  Total number of distinct prime factors 

Ω(n)  Total Factors  2  Total number of prime factors 
rad(n)  Radical  2863  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 2,863 is 7 × 409. Since it has a total of 2 prime factors, 2,863 is a composite number.
Divisors of 2863
4 divisors
τ(n)  Total Divisors  4  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  3280  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  417  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  820  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  53.507008886687  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  3.4914634146341  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 2,863 can be divided by 4 positive divisors (out of which 0 are even, and 4 are odd). The sum of these divisors (counting 2,863) is 3,280, the average is 820.
Other Arithmetic Functions (n = 2863)
φ(n)  Euler Totient  2448  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  408  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 416  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 2,448 positive integers (less than 2,863) that are coprime with 2,863. And there are approximately 416 prime numbers less than or equal to 2,863.
Divisibility of 2863
m  2  3  4  5  6  7  8  9 

n mod m  1  1  3  3  1  0  7  1 
The number 2,863 is divisible by 7.
Classification of 2863
By Arithmetic functions
 Arithmetic
 Semiprime
 Deficient
Expressible via specific sums
 Polite
By Powers
 Square Free
Other numbers
 LucasCarmichael
Base conversion (2863)
Base  System  Value 

2  Binary  101100101111 
3  Ternary  10221001 
4  Quaternary  230233 
5  Quinary  42423 
6  Senary  21131 
8  Octal  5457 
10  Decimal  2863 
12  Duodecimal  17a7 
16  Hexadecimal  b2f 
20  Vigesimal  733 
36  Base36  27j 
Basic calculations (n = 2863)
Multiplication
n×yn×2  5726 

n×3  8589 
n×4  11452 
n×5  14315 
Division
n÷yn÷2  1431.500 

n÷3  954.333 
n÷4  715.750 
n÷5  572.600 
Exponentiation
n^{y}n^{2}  8196769 

n^{3}  23467349647 
n^{4}  67187022039361 
n^{5}  192356444098690543 
Nth Root
^{y}√n^{2}√n  53.507008886687 

^{3}√n  14.199523888024 
^{4}√n  7.3148485211033 
^{5}√n  4.9131980363753 
2863 as geometric shapes
Circle
Radius = nDiameter  5726 

Circumference  17988.759534455 
Area  25750909.273573 
Sphere
Radius = nVolume  98299804333.651 

Surface area  103003637.09429 
Circumference  17988.759534455 
Square
Length = nPerimeter  11452 

Area  8196769 
Diagonal  4048.8934290742 
Cube
Length = nSurface area  49180614 

Volume  23467349647 
Space diagonal  4958.8614620697 
Equilateral Triangle
Length = nPerimeter  8589 

Area  3549305.0914764 
Altitude  2479.4307310348 
Triangular Pyramid
Length = nSurface area  14197220.365906 

Volume  2765653678.6449 
Height  2337.6297111961 
Cryptographic Hash Functions
md5  e6cbc650cd5798a05dfd0f51d14cde5c 

sha1  979014556ab8cdd13048702896fb99fcc40fe793 
sha256  1d10cfa4a998611c236404e1649c24192e43565df01fa559303d6ca6d887226b 
sha512  1a306bb032e6708329b8e3354c8813fa5654c850087360f7fd315bbf0b82fe6263cb26cc8a5c24968229ed1f25e5f2f4e685065883f777dae398adf2c82f49af 
ripemd160  c0d81ad1f750268df2973bca59eaa147b25f3fcb 