3979 (number)
3,979 (three thousand nine hundred seventynine) is an odd fourdigits composite number following 3978 and preceding 3980. In scientific notation, it is written as 3.979 × 10^{3}. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 3,784 positive integers (up to 3979) that are relatively prime to 3979.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 4
 Sum of Digits 28
 Digital Root 1
Name
Short name  3 thousand 979 

Full name  three thousand nine hundred seventynine 
Notation
Scientific notation  3.979 × 10^{3} 

Engineering notation  3.979 × 10^{3} 
Prime Factorization of 3979
Prime Factorization 23 × 173
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  3979  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 3,979 is 23 × 173. Since it has a total of 2 prime factors, 3,979 is a composite number.
Divisors of 3979
4 divisors
τ(n)  Total Divisors  4  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  4176  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  197  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  1044  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  63.079315151641  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  3.8113026819923  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 3,979 can be divided by 4 positive divisors (out of which 0 are even, and 4 are odd). The sum of these divisors (counting 3,979) is 4,176, the average is 1,044.
Other Arithmetic Functions (n = 3979)
φ(n)  Euler Totient  3784  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  1892  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 552  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 3,784 positive integers (less than 3,979) that are coprime with 3,979. And there are approximately 552 prime numbers less than or equal to 3,979.
Divisibility of 3979
m  2  3  4  5  6  7  8  9 

n mod m  1  1  3  4  1  3  3  1 
3,979 is not divisible by any number less than or equal to 9.
Classification of 3979
By Arithmetic functions
 Arithmetic
 Semiprime
 Deficient
Expressible via specific sums
 Polite
By Shape (2D, centered)
 Centered Triangle
By Powers
 Square Free
Other numbers
 LucasCarmichael
Base conversion (3979)
Base  System  Value 

2  Binary  111110001011 
3  Ternary  12110101 
4  Quaternary  332023 
5  Quinary  111404 
6  Senary  30231 
8  Octal  7613 
10  Decimal  3979 
12  Duodecimal  2377 
16  Hexadecimal  f8b 
20  Vigesimal  9ij 
36  Base36  32j 
Basic calculations (n = 3979)
Multiplication
n×yn×2  7958 

n×3  11937 
n×4  15916 
n×5  19895 
Division
n÷yn÷2  1989.500 

n÷3  1326.333 
n÷4  994.750 
n÷5  795.800 
Exponentiation
n^{y}n^{2}  15832441 

n^{3}  62997282739 
n^{4}  250666188018481 
n^{5}  997400762125535899 
Nth Root
^{y}√n^{2}√n  63.079315151641 

^{3}√n  15.846182244826 
^{4}√n  7.9422487465227 
^{5}√n  5.2475282808096 
3979 as geometric shapes
Circle
Radius = nDiameter  7958 

Circumference  25000.794337268 
Area  49739080.333994 
Sphere
Radius = nVolume  263882400865.28 

Surface area  198956321.33598 
Circumference  25000.794337268 
Square
Length = nPerimeter  15916 

Area  15832441 
Diagonal  5627.1557646825 
Cube
Length = nSurface area  94994646 

Volume  62997282739 
Space diagonal  6891.8301633166 
Equilateral Triangle
Length = nPerimeter  11937 

Area  6855648.0549592 
Altitude  3445.9150816583 
Triangular Pyramid
Length = nSurface area  27422592.219837 

Volume  7424300970.1789 
Height  3248.8398955114 
Cryptographic Hash Functions
md5  a58616464d14208b2677a084f5d7456f 

sha1  4f9e000c9747d9707567bc38cb3ab2d307d48ca0 
sha256  b003ffe3e5657009f984640507e7857562c7e876ff1144eb696ae1a1a4a908bc 
sha512  4b43c2b6b9d13b94287a9f877429bdc7418c490ca87853dff8c9666299204b5cd0c2d39cfeb385a2b3f191323d360b11b6b659fda0a6f1dc7e9d8a6ad976971d 
ripemd160  74edbc59e6857b794e2ef719998004cb1e9ae407 