66901 (number)
66,901 (sixtysix thousand nine hundred one) is an odd fivedigits composite number following 66900 and preceding 66902. In scientific notation, it is written as 6.6901 × 10^{4}. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 66,304 positive integers (up to 66901) that are relatively prime to 66901.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 5
 Sum of Digits 22
 Digital Root 4
Name
Short name  66 thousand 901 

Full name  sixtysix thousand nine hundred one 
Notation
Scientific notation  6.6901 × 10^{4} 

Engineering notation  66.901 × 10^{3} 
Prime Factorization of 66901
Prime Factorization 149 × 449
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  66901  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 66,901 is 149 × 449. Since it has a total of 2 prime factors, 66,901 is a composite number.
Divisors of 66901
4 divisors
τ(n)  Total Divisors  4  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  67500  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  599  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  16875  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  258.65227623201  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  3.9645037037037  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 66,901 can be divided by 4 positive divisors (out of which 0 are even, and 4 are odd). The sum of these divisors (counting 66,901) is 67,500, the average is 16,875.
Other Arithmetic Functions (n = 66901)
φ(n)  Euler Totient  66304  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  16576  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 6666  Total number of primes less than or equal to n 
r_{2}(n)  Sum of 2 squares  16  The number of ways n can be represented as the sum of 2 squares 
There are 66,304 positive integers (less than 66,901) that are coprime with 66,901. And there are approximately 6,666 prime numbers less than or equal to 66,901.
Divisibility of 66901
m  2  3  4  5  6  7  8  9 

n mod m  1  1  1  1  1  2  5  4 
66,901 is not divisible by any number less than or equal to 9.
Classification of 66901
By Arithmetic functions
 Arithmetic
 Semiprime
 Deficient
Expressible via specific sums
 Polite
By Powers
 Square Free
Other numbers
 LucasCarmichael
Base conversion (66901)
Base  System  Value 

2  Binary  10000010101010101 
3  Ternary  10101202211 
4  Quaternary  100111111 
5  Quinary  4120101 
6  Senary  1233421 
8  Octal  202525 
10  Decimal  66901 
12  Duodecimal  32871 
16  Hexadecimal  10555 
20  Vigesimal  8751 
36  Base36  1fmd 
Basic calculations (n = 66901)
Multiplication
n×yn×2  133802 

n×3  200703 
n×4  267604 
n×5  334505 
Division
n÷yn÷2  33450.500 

n÷3  22300.333 
n÷4  16725.250 
n÷5  13380.200 
Exponentiation
n^{y}n^{2}  4475743801 

n^{3}  299431736030701 
n^{4}  20032282572189927601 
n^{5}  1340179736362078346434501 
Nth Root
^{y}√n^{2}√n  258.65227623201 

^{3}√n  40.595466503431 
^{4}√n  16.082670059166 
^{5}√n  9.2275524383293 
66901 as geometric shapes
Circle
Radius = nDiameter  133802 

Circumference  420351.38023562 
Area  14060963844.572 
Sphere
Radius = nVolume  1.2542567228876E+15 

Surface area  56243855378.287 
Circumference  420351.38023562 
Square
Length = nPerimeter  267604 

Area  4475743801 
Diagonal  94612.301536322 
Cube
Length = nSurface area  26854462806 

Volume  299431736030701 
Space diagonal  115875.93107717 
Equilateral Triangle
Length = nPerimeter  200703 

Area  1938053916.2484 
Altitude  57937.965538583 
Triangular Pyramid
Length = nSurface area  7752215664.9934 

Volume  35288368508295 
Height  54624.437760646 
Cryptographic Hash Functions
md5  f9c404691166bd10c4bc1e30d0821680 

sha1  0485bd0537bfdb551c341caf3569e20aedc25e75 
sha256  e0c774de131f421a233a27d41dd267ffa69aaa30dc093b81ef1ad198e329399d 
sha512  6500a52954d2f0e48bbbe2afb20b121538b2b585b2fd5a72d805b9187259819d570c5e2c5df50fed4b86d8dd85646202218d3c9111ab688f7df1675b43a92d17 
ripemd160  d9c3c87a925302c0f6a90a1a4301b9877eb3672c 