9820 (number)
9,820 (nine thousand eight hundred twenty) is an even fourdigits composite number following 9819 and preceding 9821. In scientific notation, it is written as 9.82 × 10^{3}. The sum of its digits is 19. It has a total of 4 prime factors and 12 positive divisors. There are 3,920 positive integers (up to 9820) that are relatively prime to 9820.
Basic properties
 Is Prime? No
 Number parity Even
 Number length 4
 Sum of Digits 19
 Digital Root 1
Name
Short name  9 thousand 820 

Full name  nine thousand eight hundred twenty 
Notation
Scientific notation  9.82 × 10^{3} 

Engineering notation  9.82 × 10^{3} 
Prime Factorization of 9820
Prime Factorization 2^{2} × 5 × 491
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  4910  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 9,820 is 2^{2} × 5 × 491. Since it has a total of 4 prime factors, 9,820 is a composite number.
Divisors of 9820
12 divisors
τ(n)  Total Divisors  12  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  20664  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  10844  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  1722  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  99.0959131347  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  5.7026713124274  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 9,820 can be divided by 12 positive divisors (out of which 8 are even, and 4 are odd). The sum of these divisors (counting 9,820) is 20,664, the average is 1,722.
Other Arithmetic Functions (n = 9820)
φ(n)  Euler Totient  3920  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  980  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 1211  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 3,920 positive integers (less than 9,820) that are coprime with 9,820. And there are approximately 1,211 prime numbers less than or equal to 9,820.
Divisibility of 9820
m  2  3  4  5  6  7  8  9 

n mod m  0  1  0  0  4  6  4  1 
The number 9,820 is divisible by 2, 4 and 5.
Classification of 9820
By Arithmetic functions
 Arithmetic
 Abundant
Expressible via specific sums
 Polite
Base conversion (9820)
Base  System  Value 

2  Binary  10011001011100 
3  Ternary  111110201 
4  Quaternary  2121130 
5  Quinary  303240 
6  Senary  113244 
8  Octal  23134 
10  Decimal  9820 
12  Duodecimal  5824 
16  Hexadecimal  265c 
20  Vigesimal  14b0 
36  Base36  7ks 
Basic calculations (n = 9820)
Multiplication
n×yn×2  19640 

n×3  29460 
n×4  39280 
n×5  49100 
Division
n÷yn÷2  4910.000 

n÷3  3273.333 
n÷4  2455.000 
n÷5  1964.000 
Exponentiation
n^{y}n^{2}  96432400 

n^{3}  946966168000 
n^{4}  9299207769760000 
n^{5}  91318220299043200000 
Nth Root
^{y}√n^{2}√n  99.0959131347 

^{3}√n  21.414297372146 
^{4}√n  9.954693020616 
^{5}√n  6.2866936474162 
9820 as geometric shapes
Circle
Radius = nDiameter  19640 

Circumference  61700.879716504 
Area  302951319.40803 
Sphere
Radius = nVolume  3966642608782.5 

Surface area  1211805277.6321 
Circumference  61700.879716504 
Square
Length = nPerimeter  39280 

Area  96432400 
Diagonal  13887.577182504 
Cube
Length = nSurface area  578594400 

Volume  946966168000 
Space diagonal  17008.738930326 
Equilateral Triangle
Length = nPerimeter  29460 

Area  41756454.073951 
Altitude  8504.3694651632 
Triangular Pyramid
Length = nSurface area  167025816.29581 

Volume  111601033157.84 
Height  8017.9964247103 
Cryptographic Hash Functions
md5  e614f646836aaed9f89ce58e837e2310 

sha1  f01310d43ff89e075149fb8162d9a92f4dc53d19 
sha256  d11dffa1979b25d0737f1737e60406b19a235e47ea960f4f1152d7c06d4f9d71 
sha512  6be6259d530bd3f520b89002a0fdff8c5d770a7fc196a8e12103a08b3849b1c5cb22fd05f290dc6d587371372d92ade2d8bb052231342a089627016855a973dc 
ripemd160  d925a78e6afb713eb4fbb26c2b3cddc44290ea15 