1276728 (number)
1,276,728 (one million two hundred seventysix thousand seven hundred twentyeight) is an even sevendigits composite number following 1276727 and preceding 1276729. In scientific notation, it is written as 1.276728 × 10^{6}. The sum of its digits is 33. It has a total of 5 prime factors and 16 positive divisors. There are 425,568 positive integers (up to 1276728) that are relatively prime to 1276728.
Basic properties
 Is Prime? No
 Number parity Even
 Number length 7
 Sum of Digits 33
 Digital Root 6
Name
Short name  1 million 276 thousand 728 

Full name  one million two hundred seventysix thousand seven hundred twentyeight 
Notation
Scientific notation  1.276728 × 10^{6} 

Engineering notation  1.276728 × 10^{6} 
Prime Factorization of 1276728
Prime Factorization 2^{3} × 3 × 53197
Composite numberω(n)  Distinct Factors  3  Total number of distinct prime factors 

Ω(n)  Total Factors  5  Total number of prime factors 
rad(n)  Radical  319182  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  0  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 1,276,728 is 2^{3} × 3 × 53197. Since it has a total of 5 prime factors, 1,276,728 is a composite number.
Divisors of 1276728
16 divisors
τ(n)  Total Divisors  16  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  3191880  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  1915152  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  199492.5  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  1129.9238912422  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  6.3998796947254  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 1,276,728 can be divided by 16 positive divisors (out of which 12 are even, and 4 are odd). The sum of these divisors (counting 1,276,728) is 3,191,880, the average is 19,949,2.5.
Other Arithmetic Functions (n = 1276728)
φ(n)  Euler Totient  425568  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  53196  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 98143  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 425,568 positive integers (less than 1,276,728) that are coprime with 1,276,728. And there are approximately 98,143 prime numbers less than or equal to 1,276,728.
Divisibility of 1276728
m  2  3  4  5  6  7  8  9 

n mod m  0  0  0  3  0  5  0  6 
The number 1,276,728 is divisible by 2, 3, 4, 6 and 8.
Classification of 1276728
By Arithmetic functions
 Abundant
Expressible via specific sums
 Polite
Base conversion (1276728)
Base  System  Value 

2  Binary  100110111101100111000 
3  Ternary  2101212100020 
4  Quaternary  10313230320 
5  Quinary  311323403 
6  Senary  43210440 
8  Octal  4675470 
10  Decimal  1276728 
12  Duodecimal  516a20 
16  Hexadecimal  137b38 
20  Vigesimal  7jbg8 
36  Base36  rd4o 
Basic calculations (n = 1276728)
Multiplication
n×yn×2  2553456 

n×3  3830184 
n×4  5106912 
n×5  6383640 
Division
n÷yn÷2  638364.000 

n÷3  425576.000 
n÷4  319182.000 
n÷5  255345.600 
Exponentiation
n^{y}n^{2}  1630034385984 

n^{3}  2081110541548580352 
n^{4}  2657012099490235895648256 
n^{5}  3392281743757969894579206586368 
Nth Root
^{y}√n^{2}√n  1129.9238912422 

^{3}√n  108.48410931954 
^{4}√n  33.614340559384 
^{5}√n  16.642542573722 
1276728 as geometric shapes
Circle
Radius = nDiameter  2553456 

Circumference  8021918.6108648 
Area  5120904052106.1 
Sphere
Radius = nVolume  8.7173354515164E+18 

Surface area  20483616208424 
Circumference  8021918.6108648 
Square
Length = nPerimeter  5106912 

Area  1630034385984 
Diagonal  1805566.0530615 
Cube
Length = nSurface area  9780206315904 

Volume  2081110541548580352 
Space diagonal  2211357.7634458 
Equilateral Triangle
Length = nPerimeter  3830184 

Area  705825593652.16 
Altitude  1105678.8817229 
Triangular Pyramid
Length = nSurface area  2823302374608.6 

Volume  2.4526122938797E+17 
Height  1042444.0467747 
Cryptographic Hash Functions
md5  a70dff01de618e45db890101d8c840ba 

sha1  f0528819aee8e524a9536a5850c773e9219b249c 
sha256  b451935a045b0861a451079e832d984c642702f39fb34a8df09bac5bc8b9f631 
sha512  0a28059726ee94a6fb09c020ab619fd78ae2d03a8dba4229b42c9ad45e8dba0f3497b91dad9c186cda5842df78988a66e28d50f9a7a3d44855f67e5e3ed00ba4 
ripemd160  95f927e4617082a78a82f9a8e920154f0d5c3dc6 