77830 (number)
77,830 (seventyseven thousand eight hundred thirty) is an even fivedigits composite number following 77829 and preceding 77831. In scientific notation, it is written as 7.783 × 10^{4}. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 30,240 positive integers (up to 77830) that are relatively prime to 77830.
Basic properties
 Is Prime? No
 Number parity Even
 Number length 5
 Sum of Digits 25
 Digital Root 7
Name
Short name  77 thousand 830 

Full name  seventyseven thousand eight hundred thirty 
Notation
Scientific notation  7.783 × 10^{4} 

Engineering notation  77.83 × 10^{3} 
Prime Factorization of 77830
Prime Factorization 2 × 5 × 43 × 181
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  77830  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 77,830 is 2 × 5 × 43 × 181. Since it has a total of 4 prime factors, 77,830 is a composite number.
Divisors of 77830
16 divisors
τ(n)  Total Divisors  16  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  144144  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  66314  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  9009  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  278.98028604186  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  8.6391386391386  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 77,830 can be divided by 16 positive divisors (out of which 8 are even, and 8 are odd). The sum of these divisors (counting 77,830) is 144,144, the average is 9,009.
Other Arithmetic Functions (n = 77830)
φ(n)  Euler Totient  30240  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  1260  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 7640  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 30,240 positive integers (less than 77,830) that are coprime with 77,830. And there are approximately 7,640 prime numbers less than or equal to 77,830.
Divisibility of 77830
m  2  3  4  5  6  7  8  9 

n mod m  0  1  2  0  4  4  6  7 
The number 77,830 is divisible by 2 and 5.
Classification of 77830
By Arithmetic functions
 Arithmetic
 Deficient
Expressible via specific sums
 Polite
By Powers
 Square Free
Base conversion (77830)
Base  System  Value 

2  Binary  10011000000000110 
3  Ternary  10221202121 
4  Quaternary  103000012 
5  Quinary  4442310 
6  Senary  1400154 
8  Octal  230006 
10  Decimal  77830 
12  Duodecimal  3905a 
16  Hexadecimal  13006 
20  Vigesimal  9eba 
36  Base36  1o1y 
Basic calculations (n = 77830)
Multiplication
n×yn×2  155660 

n×3  233490 
n×4  311320 
n×5  389150 
Division
n÷yn÷2  38915.000 

n÷3  25943.333 
n÷4  19457.500 
n÷5  15566.000 
Exponentiation
n^{y}n^{2}  6057508900 

n^{3}  471455917687000 
n^{4}  36693414073579210000 
n^{5}  2855848417346669914300000 
Nth Root
^{y}√n^{2}√n  278.98028604186 

^{3}√n  42.695523555981 
^{4}√n  16.702702956164 
^{5}√n  9.5110706145907 
77830 as geometric shapes
Circle
Radius = nDiameter  155660 

Circumference  489020.31245779 
Area  19030225459.295 
Sphere
Radius = nVolume  1.9748299299959E+15 

Surface area  76120901837.179 
Circumference  489020.31245779 
Square
Length = nPerimeter  311320 

Area  6057508900 
Diagonal  110068.2415595 
Cube
Length = nSurface area  36345053400 

Volume  471455917687000 
Space diagonal  134805.51435309 
Equilateral Triangle
Length = nPerimeter  233490 

Area  2622978295.5252 
Altitude  67402.757176543 
Triangular Pyramid
Length = nSurface area  10491913182.101 

Volume  55561612737834 
Height  63547.928893605 
Cryptographic Hash Functions
md5  3f1f477b13ae93243c16cc90e518ee09 

sha1  6c95b6ad9b7ff7887dcab58876fb5f64496dad6f 
sha256  57d63a250ae5e85a733fadc7c792a4142dfff89897005541193bf50721620495 
sha512  a8bfb8e97afed886182290db83c3166a596107ca63bb4109979089d4a485a8fb6d81a6e66283d2e3b0491d86dae351840b1dc73b7dc2830358e8a188fc112f1d 
ripemd160  5af1e4ff14556292bea1f44fa8dc08f9518e06ed 