79979 (number)
79,979 (seventynine thousand nine hundred seventynine) is an odd fivedigits prime number following 79978 and preceding 79980. In scientific notation, it is written as 7.9979 × 10^{4}. The sum of its digits is 41. It has a total of 1 prime factor and 2 positive divisors. There are 79,978 positive integers (up to 79979) that are relatively prime to 79979.
Basic properties
 Is Prime? Yes
 Number parity Odd
 Number length 5
 Sum of Digits 41
 Digital Root 5
Name
Short name  79 thousand 979 

Full name  seventynine thousand nine hundred seventynine 
Notation
Scientific notation  7.9979 × 10^{4} 

Engineering notation  79.979 × 10^{3} 
Prime Factorization of 79979
Prime Factorization 79979
Prime numberω(n)  Distinct Factors  1  Total number of distinct prime factors 

Ω(n)  Total Factors  1  Total number of prime factors 
rad(n)  Radical  79979  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  11.289519379197  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 79,979 is 79979. Since it has a total of 1 prime factor, 79,979 is a prime number.
Divisors of 79979
2 divisors
τ(n)  Total Divisors  2  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  79980  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  1  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  39990  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  282.80558693208  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  1.9999749937484  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 79,979 can be divided by 2 positive divisors (out of which 0 are even, and 2 are odd). The sum of these divisors (counting 79,979) is 79,980, the average is 39,990.
Other Arithmetic Functions (n = 79979)
φ(n)  Euler Totient  79978  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  79978  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 7830  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 79,978 positive integers (less than 79,979) that are coprime with 79,979. And there are approximately 7,830 prime numbers less than or equal to 79,979.
Divisibility of 79979
m  2  3  4  5  6  7  8  9 

n mod m  1  2  3  4  5  4  3  5 
79,979 is not divisible by any number less than or equal to 9.
Classification of 79979
By Arithmetic functions
 Arithmetic
 Prime
 Deficient
Expressible via specific sums
 Polite
 Nonhypotenuse
By Powers
 Prime Power
 Square Free
Base conversion (79979)
Base  System  Value 

2  Binary  10011100001101011 
3  Ternary  11001201012 
4  Quaternary  103201223 
5  Quinary  10024404 
6  Senary  1414135 
8  Octal  234153 
10  Decimal  79979 
12  Duodecimal  3a34b 
16  Hexadecimal  1386b 
20  Vigesimal  9jij 
36  Base36  1ppn 
Basic calculations (n = 79979)
Multiplication
n×yn×2  159958 

n×3  239937 
n×4  319916 
n×5  399895 
Division
n÷yn÷2  39989.500 

n÷3  26659.666 
n÷4  19994.750 
n÷5  15995.800 
Exponentiation
n^{y}n^{2}  6396640441 

n^{3}  511596905830739 
n^{4}  40917008931436674481 
n^{5}  3272501457327373788315899 
Nth Root
^{y}√n^{2}√n  282.80558693208 

^{3}√n  43.084923209984 
^{4}√n  16.816824519869 
^{5}√n  9.5630228601107 
79979 as geometric shapes
Circle
Radius = nDiameter  159958 

Circumference  502522.87768292 
Area  20095638617.101 
Sphere
Radius = nVolume  2.1429721079428E+15 

Surface area  80382554468.404 
Circumference  502522.87768292 
Square
Length = nPerimeter  319916 

Area  6396640441 
Diagonal  113107.38650504 
Cube
Length = nSurface area  38379842646 

Volume  511596905830739 
Space diagonal  138527.69153855 
Equilateral Triangle
Length = nPerimeter  239937 

Area  2769826560.3904 
Altitude  69263.845769276 
Triangular Pyramid
Length = nSurface area  11079306241.562 

Volume  60292273557829 
Height  65302.580046019 
Cryptographic Hash Functions
md5  12707beb6d81936612143568901223ee 

sha1  37ce3f1d2b3ad4fb249b50aebc26ade56afcb3a2 
sha256  69a901004111806b63985b9fb61f4797a788b288c7895368c63743e408b8aa05 
sha512  1ce50c53dfc04c06def5d2e6e47b0325429e5e9a63d5c7a27dfe6af9bda93ee6f0355e4e1802cd3b070dbecab9f0a87ec9cabebd75f70e2e900d40c2f5eb0a07 
ripemd160  a8617d26d83e54ca77d638781eac23a962f23eae 