91644 (number)
91,644 (ninetyone thousand six hundred fortyfour) is an even fivedigits composite number following 91643 and preceding 91645. In scientific notation, it is written as 9.1644 × 10^{4}. The sum of its digits is 24. It has a total of 5 prime factors and 24 positive divisors. There are 26,160 positive integers (up to 91644) that are relatively prime to 91644.
Basic properties
 Is Prime? No
 Number parity Even
 Number length 5
 Sum of Digits 24
 Digital Root 6
Name
Short name  91 thousand 644 

Full name  ninetyone thousand six hundred fortyfour 
Notation
Scientific notation  9.1644 × 10^{4} 

Engineering notation  91.644 × 10^{3} 
Prime Factorization of 91644
Prime Factorization 2^{2} × 3 × 7 × 1091
Composite numberω(n)  Distinct Factors  4  Total number of distinct prime factors 

Ω(n)  Total Factors  5  Total number of prime factors 
rad(n)  Radical  45822  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 91,644 is 2^{2} × 3 × 7 × 1091. Since it has a total of 5 prime factors, 91,644 is a composite number.
Divisors of 91644
24 divisors
τ(n)  Total Divisors  24  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  244608  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  152964  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  10192  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  302.72760032742  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  8.9917582417582  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 91,644 can be divided by 24 positive divisors (out of which 16 are even, and 8 are odd). The sum of these divisors (counting 91,644) is 244,608, the average is 10,192.
Other Arithmetic Functions (n = 91644)
φ(n)  Euler Totient  26160  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  3270  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 8855  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 26,160 positive integers (less than 91,644) that are coprime with 91,644. And there are approximately 8,855 prime numbers less than or equal to 91,644.
Divisibility of 91644
m  2  3  4  5  6  7  8  9 

n mod m  0  0  0  4  0  0  4  6 
The number 91,644 is divisible by 2, 3, 4, 6 and 7.
Classification of 91644
By Arithmetic functions
 Arithmetic
 Abundant
Expressible via specific sums
 Polite
 Nonhypotenuse
Base conversion (91644)
Base  System  Value 

2  Binary  10110010111111100 
3  Ternary  11122201020 
4  Quaternary  112113330 
5  Quinary  10413034 
6  Senary  1544140 
8  Octal  262774 
10  Decimal  91644 
12  Duodecimal  45050 
16  Hexadecimal  165fc 
20  Vigesimal  b924 
36  Base36  1ypo 
Basic calculations (n = 91644)
Multiplication
n×yn×2  183288 

n×3  274932 
n×4  366576 
n×5  458220 
Division
n÷yn÷2  45822.000 

n÷3  30548.000 
n÷4  22911.000 
n÷5  18328.800 
Exponentiation
n^{y}n^{2}  8398622736 

n^{3}  769683382017984 
n^{4}  70536863861656125696 
n^{5}  6464280351737613983284224 
Nth Root
^{y}√n^{2}√n  302.72760032742 

^{3}√n  45.085270417948 
^{4}√n  17.399068950016 
^{5}√n  9.8269966347934 
91644 as geometric shapes
Circle
Radius = nDiameter  183288 

Circumference  575816.23429117 
Area  26385051487.69 
Sphere
Radius = nVolume  3.2240422113838E+15 

Surface area  105540205950.76 
Circumference  575816.23429117 
Square
Length = nPerimeter  366576 

Area  8398622736 
Diagonal  129604.18771012 
Cube
Length = nSurface area  50391736416 

Volume  769683382017984 
Space diagonal  158732.06420884 
Equilateral Triangle
Length = nPerimeter  274932 

Area  3636710323.0888 
Altitude  79366.032104421 
Triangular Pyramid
Length = nSurface area  14546841292.355 

Volume  90708056465252 
Height  74827.012662541 
Cryptographic Hash Functions
md5  23340cc1396f64432b771aa8cceabe4f 

sha1  b3c094e279dda8642e3a5ab7eb080a14061d7337 
sha256  858cc8c1fe3eddf23d77d81637dc540c906cf77e1c2fc619d1b6c5fae8996a84 
sha512  99912c8e6f2a9c71ae5e7e054fd97a7fa27fa82bb426ed1705074e31f1f4a58c11bdee0be61edf863b7d40ef84465de99d41e684f89d5e00734784f8bbc607e8 
ripemd160  ab19a4f7cca88f359ce75be6c06eb3f894c49de9 