3901 (number)
3,901 (three thousand nine hundred one) is an odd fourdigits composite number following 3900 and preceding 3902. In scientific notation, it is written as 3.901 × 10^{3}. The sum of its digits is 13. It has a total of 2 prime factors and 4 positive divisors. There are 3,772 positive integers (up to 3901) that are relatively prime to 3901.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 4
 Sum of Digits 13
 Digital Root 4
Name
Short name  3 thousand 901 

Full name  three thousand nine hundred one 
Notation
Scientific notation  3.901 × 10^{3} 

Engineering notation  3.901 × 10^{3} 
Prime Factorization of 3901
Prime Factorization 47 × 83
Composite numberω(n)  Distinct Factors  2  Total number of distinct prime factors 

Ω(n)  Total Factors  2  Total number of prime factors 
rad(n)  Radical  3901  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 3,901 is 47 × 83. Since it has a total of 2 prime factors, 3,901 is a composite number.
Divisors of 3901
4 divisors
τ(n)  Total Divisors  4  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  4032  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  131  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  1008  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  62.457985878509  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  3.8700396825397  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 3,901 can be divided by 4 positive divisors (out of which 0 are even, and 4 are odd). The sum of these divisors (counting 3,901) is 4,032, the average is 1,008.
Other Arithmetic Functions (n = 3901)
φ(n)  Euler Totient  3772  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  1886  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 543  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 3,772 positive integers (less than 3,901) that are coprime with 3,901. And there are approximately 543 prime numbers less than or equal to 3,901.
Divisibility of 3901
m  2  3  4  5  6  7  8  9 

n mod m  1  1  1  1  1  2  5  4 
3,901 is not divisible by any number less than or equal to 9.
Classification of 3901
By Arithmetic functions
 Hyperperfect
 Arithmetic
 Semiprime
 Deficient
Expressible via specific sums
 Polite
 Nonhypotenuse
By Shape (2D, centered)
 Centered Pentagonal
 Star
By Powers
 Square Free
Other numbers
 LucasCarmichael
Base conversion (3901)
Base  System  Value 

2  Binary  111100111101 
3  Ternary  12100111 
4  Quaternary  330331 
5  Quinary  111101 
6  Senary  30021 
8  Octal  7475 
10  Decimal  3901 
12  Duodecimal  2311 
16  Hexadecimal  f3d 
20  Vigesimal  9f1 
36  Base36  30d 
Basic calculations (n = 3901)
Multiplication
n×yn×2  7802 

n×3  11703 
n×4  15604 
n×5  19505 
Division
n÷yn÷2  1950.500 

n÷3  1300.333 
n÷4  975.250 
n÷5  780.200 
Exponentiation
n^{y}n^{2}  15217801 

n^{3}  59364641701 
n^{4}  231581467275601 
n^{5}  903399303842119501 
Nth Root
^{y}√n^{2}√n  62.457985878509 

^{3}√n  15.741954402554 
^{4}√n  7.903036497354 
^{5}√n  5.2267916672773 
3901 as geometric shapes
Circle
Radius = nDiameter  7802 

Circumference  24510.705883308 
Area  47808131.825391 
Sphere
Radius = nVolume  248666029667.8 

Surface area  191232527.30157 
Circumference  24510.705883308 
Square
Length = nPerimeter  15604 

Area  15217801 
Diagonal  5516.8471068174 
Cube
Length = nSurface area  91306806 

Volume  59364641701 
Space diagonal  6756.7302003262 
Equilateral Triangle
Length = nPerimeter  11703 

Area  6589501.1278681 
Altitude  3378.3651001631 
Triangular Pyramid
Length = nSurface area  26358004.511472 

Volume  6996190118.2478 
Height  3185.1531621991 
Cryptographic Hash Functions
md5  4fc848051e4459b8a6afeb210c3664ec 

sha1  8ab5d9bd8cdcbc45785495fd7be28918177deec3 
sha256  e5ee439ab912548d4578ddf1f558e4a6b04ed7704198a1d727c6a4d2c463c18a 
sha512  17e461366b92c80dd1ae9c1b6932136e8ab4b81624e29357a1b93216ab0906245a52f762d2f06f82877d4c8b0388095ccee10e4fa0698eed95e176ca6f338979 
ripemd160  c7b43a61d173bab7b3d54149526aca66a7d0096f 