3894 (number)
3,894 (three thousand eight hundred ninetyfour) is an even fourdigits composite number following 3893 and preceding 3895. In scientific notation, it is written as 3.894 × 10^{3}. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 1,160 positive integers (up to 3894) that are relatively prime to 3894.
Basic properties
 Is Prime? No
 Number parity Even
 Number length 4
 Sum of Digits 24
 Digital Root 6
Name
Short name  3 thousand 894 

Full name  three thousand eight hundred ninetyfour 
Notation
Scientific notation  3.894 × 10^{3} 

Engineering notation  3.894 × 10^{3} 
Prime Factorization of 3894
Prime Factorization 2 × 3 × 11 × 59
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  3894  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 3,894 is 2 × 3 × 11 × 59. Since it has a total of 4 prime factors, 3,894 is a composite number.
Divisors of 3894
16 divisors
τ(n)  Total Divisors  16  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  8640  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  4746  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  540  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  62.401923047291  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  7.2111111111111  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 3,894 can be divided by 16 positive divisors (out of which 8 are even, and 8 are odd). The sum of these divisors (counting 3,894) is 8,640, the average is 540.
Other Arithmetic Functions (n = 3894)
φ(n)  Euler Totient  1160  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  290  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 542  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 1,160 positive integers (less than 3,894) that are coprime with 3,894. And there are approximately 542 prime numbers less than or equal to 3,894.
Divisibility of 3894
m  2  3  4  5  6  7  8  9 

n mod m  0  0  2  4  0  2  6  6 
The number 3,894 is divisible by 2, 3 and 6.
Classification of 3894
By Arithmetic functions
 Arithmetic
 Abundant
Expressible via specific sums
 Polite
 Practical
 Nonhypotenuse
By Powers
 Square Free
Base conversion (3894)
Base  System  Value 

2  Binary  111100110110 
3  Ternary  12100020 
4  Quaternary  330312 
5  Quinary  111034 
6  Senary  30010 
8  Octal  7466 
10  Decimal  3894 
12  Duodecimal  2306 
16  Hexadecimal  f36 
20  Vigesimal  9ee 
36  Base36  306 
Basic calculations (n = 3894)
Multiplication
n×yn×2  7788 

n×3  11682 
n×4  15576 
n×5  19470 
Division
n÷yn÷2  1947.000 

n÷3  1298.000 
n÷4  973.500 
n÷5  778.800 
Exponentiation
n^{y}n^{2}  15163236 

n^{3}  59045640984 
n^{4}  229923725991696 
n^{5}  895322989011664224 
Nth Root
^{y}√n^{2}√n  62.401923047291 

^{3}√n  15.732532915966 
^{4}√n  7.8994887839208 
^{5}√n  5.2249145162276 
3894 as geometric shapes
Circle
Radius = nDiameter  7788 

Circumference  24466.723586157 
Area  47636710.822248 
Sphere
Radius = nVolume  247329802589.11 

Surface area  190546843.28899 
Circumference  24466.723586157 
Square
Length = nPerimeter  15576 

Area  15163236 
Diagonal  5506.9476118808 
Cube
Length = nSurface area  90979416 

Volume  59045640984 
Space diagonal  6744.6058446732 
Equilateral Triangle
Length = nPerimeter  11682 

Area  6565873.7897894 
Altitude  3372.3029223366 
Triangular Pyramid
Length = nSurface area  26263495.159157 

Volume  6958595523.2155 
Height  3179.4376861326 
Cryptographic Hash Functions
md5  5c8e07660e3000f141dda8b83107ed6e 

sha1  a4ea66607c65d411e1e60e6673e1a49c9677c827 
sha256  0f33e04ac3b3762d50f9530393b85019c1d935777def125e9ac56fcea8622c1f 
sha512  5392e20f7d9aa0348240767d9eefb4b2d08485faef9a04f79cacf416266eb1c13f2e09ee9d8174eba2aab919eca2741eb7d7b857708fd591d6429606f8f0e2a0 
ripemd160  18ef990bbce17d0f60768ee1e31ff1f4e93eb7b5 