4445 (number)
4,445 (four thousand four hundred fortyfive) is an odd fourdigits composite number following 4444 and preceding 4446. In scientific notation, it is written as 4.445 × 10^{3}. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 3,024 positive integers (up to 4445) that are relatively prime to 4445.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 4
 Sum of Digits 17
 Digital Root 8
Name
Short name  4 thousand 445 

Full name  four thousand four hundred fortyfive 
Notation
Scientific notation  4.445 × 10^{3} 

Engineering notation  4.445 × 10^{3} 
Prime Factorization of 4445
Prime Factorization 5 × 7 × 127
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  4445  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 4,445 is 5 × 7 × 127. Since it has a total of 3 prime factors, 4,445 is a composite number.
Divisors of 4445
8 divisors
τ(n)  Total Divisors  8  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  6144  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  1699  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  768  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  66.670833203133  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  5.7877604166667  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 4,445 can be divided by 8 positive divisors (out of which 0 are even, and 8 are odd). The sum of these divisors (counting 4,445) is 6,144, the average is 768.
Other Arithmetic Functions (n = 4445)
φ(n)  Euler Totient  3024  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  252  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 608  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 3,024 positive integers (less than 4,445) that are coprime with 4,445. And there are approximately 608 prime numbers less than or equal to 4,445.
Divisibility of 4445
m  2  3  4  5  6  7  8  9 

n mod m  1  2  1  0  5  0  5  8 
The number 4,445 is divisible by 5 and 7.
Classification of 4445
By Arithmetic functions
 Arithmetic
 Deficient
Expressible via specific sums
 Polite
By Powers
 Square Free
Other numbers
 LucasCarmichael
 Sphenic
Base conversion (4445)
Base  System  Value 

2  Binary  1000101011101 
3  Ternary  20002122 
4  Quaternary  1011131 
5  Quinary  120240 
6  Senary  32325 
8  Octal  10535 
10  Decimal  4445 
12  Duodecimal  26a5 
16  Hexadecimal  115d 
20  Vigesimal  b25 
36  Base36  3fh 
Basic calculations (n = 4445)
Multiplication
n×yn×2  8890 

n×3  13335 
n×4  17780 
n×5  22225 
Division
n÷yn÷2  2222.500 

n÷3  1481.666 
n÷4  1111.250 
n÷5  889.000 
Exponentiation
n^{y}n^{2}  19758025 

n^{3}  87824421125 
n^{4}  390379551900625 
n^{5}  1735237108198278125 
Nth Root
^{y}√n^{2}√n  66.670833203133 

^{3}√n  16.442098859237 
^{4}√n  8.1652209524993 
^{5}√n  5.3650571563692 
4445 as geometric shapes
Circle
Radius = nDiameter  8890 

Circumference  27928.758690413 
Area  62071666.189443 
Sphere
Radius = nVolume  367878074949.43 

Surface area  248286664.75777 
Circumference  27928.758690413 
Square
Length = nPerimeter  17780 

Area  19758025 
Diagonal  6286.1792847484 
Cube
Length = nSurface area  118548150 

Volume  87824421125 
Space diagonal  7698.9658396437 
Equilateral Triangle
Length = nPerimeter  13335 

Area  8555475.789304 
Altitude  3849.4829198218 
Triangular Pyramid
Length = nSurface area  34221903.157216 

Volume  10350207288.545 
Height  3629.3273022237 
Cryptographic Hash Functions
md5  580796a888df897b38097bd6c1fdaa96 

sha1  ab3c526c6c3af540723fa193d64c28fe766aacaf 
sha256  4ccb5ef0208e78fc6fdcd4746af621028c6db623b7425883f35d2e9fef304294 
sha512  969e5721a3a8ee011b5b1ded47438d0ca239f8c9bed226fb14f4c5f42839388cd48b2f11a486ac0c659a7c9daa3d86421db5e265872ff85a9e188e1ff949218c 
ripemd160  30aaade80cc196bebf15c6cb57277a2e48a21bd2 