20846 (number)
20,846 (twenty thousand eight hundred fortysix) is an even fivedigits composite number following 20845 and preceding 20847. In scientific notation, it is written as 2.0846 × 10^{4}. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 8,928 positive integers (up to 20846) that are relatively prime to 20846.
Basic properties
 Is Prime? No
 Number parity Even
 Number length 5
 Sum of Digits 20
 Digital Root 2
Name
Short name  20 thousand 846 

Full name  twenty thousand eight hundred fortysix 
Notation
Scientific notation  2.0846 × 10^{4} 

Engineering notation  20.846 × 10^{3} 
Prime Factorization of 20846
Prime Factorization 2 × 7 × 1489
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  20846  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 20,846 is 2 × 7 × 1489. Since it has a total of 3 prime factors, 20,846 is a composite number.
Divisors of 20846
8 divisors
τ(n)  Total Divisors  8  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  35760  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  14914  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  4470  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  144.38143925034  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  4.6635346756152  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 20,846 can be divided by 8 positive divisors (out of which 4 are even, and 4 are odd). The sum of these divisors (counting 20,846) is 35,760, the average is 4,470.
Other Arithmetic Functions (n = 20846)
φ(n)  Euler Totient  8928  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  1488  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 2351  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 8,928 positive integers (less than 20,846) that are coprime with 20,846. And there are approximately 2,351 prime numbers less than or equal to 20,846.
Divisibility of 20846
m  2  3  4  5  6  7  8  9 

n mod m  0  2  2  1  2  0  6  2 
The number 20,846 is divisible by 2 and 7.
Classification of 20846
By Arithmetic functions
 Arithmetic
 Deficient
Expressible via specific sums
 Polite
By Powers
 Square Free
Other numbers
 Sphenic
Base conversion (20846)
Base  System  Value 

2  Binary  101000101101110 
3  Ternary  1001121002 
4  Quaternary  11011232 
5  Quinary  1131341 
6  Senary  240302 
8  Octal  50556 
10  Decimal  20846 
12  Duodecimal  10092 
16  Hexadecimal  516e 
20  Vigesimal  2c26 
36  Base36  g32 
Basic calculations (n = 20846)
Multiplication
n×yn×2  41692 

n×3  62538 
n×4  83384 
n×5  104230 
Division
n÷yn÷2  10423.000 

n÷3  6948.666 
n÷4  5211.500 
n÷5  4169.200 
Exponentiation
n^{y}n^{2}  434555716 

n^{3}  9058748455736 
n^{4}  188838670308272656 
n^{5}  3936530921246251786976 
Nth Root
^{y}√n^{2}√n  144.38143925034 

^{3}√n  27.521635865891 
^{4}√n  12.015882791137 
^{5}√n  7.3081010991627 
20846 as geometric shapes
Circle
Radius = nDiameter  41692 

Circumference  130979.28091347 
Area  1365197044.9611 
Sphere
Radius = nVolume  37945196799011 

Surface area  5460788179.8442 
Circumference  130979.28091347 
Square
Length = nPerimeter  83384 

Area  434555716 
Diagonal  29480.69592123 
Cube
Length = nSurface area  2607334296 

Volume  9058748455736 
Space diagonal  36106.331134581 
Equilateral Triangle
Length = nPerimeter  62538 

Area  188168144.70787 
Altitude  18053.16556729 
Triangular Pyramid
Length = nSurface area  752672578.83147 

Volume  1067583743685.7 
Height  17020.687726019 
Cryptographic Hash Functions
md5  9955f2f0e7f1f4811da769b66370f7dc 

sha1  42aac3e7125c3ded95c8aa10da1f71ef77bb334b 
sha256  fed1a567c3a323b4ea2352f3b9c5682f9ad2e52574b2758b271c0afd4822f88d 
sha512  30483286bba6661e130d47c2b249bbb14d5d730e76d2d32dc83ad29f0b8325040c07dc9ec822c3150b1dc67b7b803c926b58e84ce21100d01ca321d4149f507e 
ripemd160  d211a6957a0a775cfd50cb9e5234b71440eec665 