39894 (number)
39,894 (thirtynine thousand eight hundred ninetyfour) is an even fivedigits composite number following 39893 and preceding 39895. In scientific notation, it is written as 3.9894 × 10^{4}. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 12,960 positive integers (up to 39894) that are relatively prime to 39894.
Basic properties
 Is Prime? No
 Number parity Even
 Number length 5
 Sum of Digits 33
 Digital Root 6
Name
Short name  39 thousand 894 

Full name  thirtynine thousand eight hundred ninetyfour 
Notation
Scientific notation  3.9894 × 10^{4} 

Engineering notation  39.894 × 10^{3} 
Prime Factorization of 39894
Prime Factorization 2 × 3 × 61 × 109
Composite numberω(n)  Distinct Factors  4  Total number of distinct prime factors 

Ω(n)  Total Factors  4  Total number of prime factors 
rad(n)  Radical  39894  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 39,894 is 2 × 3 × 61 × 109. Since it has a total of 4 prime factors, 39,894 is a composite number.
Divisors of 39894
16 divisors
τ(n)  Total Divisors  16  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  81840  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  41946  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  5115  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  199.73482420449  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  7.7994134897361  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 39,894 can be divided by 16 positive divisors (out of which 8 are even, and 8 are odd). The sum of these divisors (counting 39,894) is 81,840, the average is 5,115.
Other Arithmetic Functions (n = 39894)
φ(n)  Euler Totient  12960  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  540  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 4191  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 12,960 positive integers (less than 39,894) that are coprime with 39,894. And there are approximately 4,191 prime numbers less than or equal to 39,894.
Divisibility of 39894
m  2  3  4  5  6  7  8  9 

n mod m  0  0  2  4  0  1  6  6 
The number 39,894 is divisible by 2, 3 and 6.
Classification of 39894
By Arithmetic functions
 Arithmetic
 Abundant
Expressible via specific sums
 Polite
By Powers
 Square Free
Base conversion (39894)
Base  System  Value 

2  Binary  1001101111010110 
3  Ternary  2000201120 
4  Quaternary  21233112 
5  Quinary  2234034 
6  Senary  504410 
8  Octal  115726 
10  Decimal  39894 
12  Duodecimal  1b106 
16  Hexadecimal  9bd6 
20  Vigesimal  4jee 
36  Base36  us6 
Basic calculations (n = 39894)
Multiplication
n×yn×2  79788 

n×3  119682 
n×4  159576 
n×5  199470 
Division
n÷yn÷2  19947.000 

n÷3  13298.000 
n÷4  9973.500 
n÷5  7978.800 
Exponentiation
n^{y}n^{2}  1591531236 

n^{3}  63492547128984 
n^{4}  2532971675163687696 
n^{5}  101050372008980156944224 
Nth Root
^{y}√n^{2}√n  199.73482420449 

^{3}√n  34.169282633995 
^{4}√n  14.132757133854 
^{5}√n  8.3211148572849 
39894 as geometric shapes
Circle
Radius = nDiameter  79788 

Circumference  250661.39464462 
Area  4999942838.9763 
Sphere
Radius = nVolume  2.6595695949083E+14 

Surface area  19999771355.905 
Circumference  250661.39464462 
Square
Length = nPerimeter  159576 

Area  1591531236 
Diagonal  56418.635857312 
Cube
Length = nSurface area  9549187416 

Volume  63492547128984 
Space diagonal  69098.434917153 
Equilateral Triangle
Length = nPerimeter  119682 

Area  689153240.64622 
Altitude  34549.217458576 
Triangular Pyramid
Length = nSurface area  2756612962.5849 

Volume  7482668438285.2 
Height  32573.314599531 
Cryptographic Hash Functions
md5  da35a24fb3674802565f8bd5243a94d4 

sha1  4edff4c0f1e9ffe5cfadc9c60dffc0fca2846cbf 
sha256  07105a752443b6be3afbf66028844acfc86c7b0d38e908a619e0ce9c3547e8a9 
sha512  b7cfc0f8f940a3826393b956bb87bd1b4510d94125116c3e90a02257e460f636f0275b830bc37ab04741b79a1354df9414e01deed68a8b57121cc8a2ab4b3eb2 
ripemd160  6bd8022d6099f999c966b3508f461f11d84ca22a 