28681444 (number)

28681444 is an even 8-digits composite number following 28681443 and preceding 28681445. In scientific notation, it is written as 2.8681444 × 10^7. The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors. There are 12852000 positive integers (up to 28681444) that are relatively prime to 28681444.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-one thousand four hundred forty-four

Notation

Scientific notation 2.8681444 × 10^7
Engineering notation 2.8681444 × 10^6

Prime Factorization of 28681444

Prime Factorization 2 × 2 × 11 × 71 × 9181

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14340722
Product of the distinct prime numbers

The prime factorization of 28681444 is 2 × 2 × 11 × 71 × 9181. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 5, 56, 12, 565, 721, 5282, 8649, 86025, 31329, 606119, 927822, 8906894, 4018111, 29817379, 59507004, 124269199, 545593936, 7012667494, 2481707826

Basic calculations (n = 28681444)

Multiplication

n×y
n×2 57362888
n×3 86044332
n×4 114725776
n×5 143407220

Division

n÷y
n÷2 14340722
n÷3 9560481.3333333
n÷3 7170361
n÷5 5736288.8

Exponentiation

ny
n2 822625229925136
n3 2.3594079465085E+22
n4 6.7671226890938E+29
n5 1.9409085044837E+37

Nth Root

y√n
2√n 5355.5059518219
3√n 306.10258994848
4√n 73.181322424659
5√n 31.01131643681

Divisors of 28681444

1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 9181, 18362, 36724, 100991, 201982, 403964, 651851, 1303702, 2607404, 7170361, 14340722, 28681444

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28681443
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28681444 can be divided by 24 positive divisors. The sum of these divisors (counting 28681444) is 1, the average is 0.041666666666667.

Base conversion 28681444

Base System Value
2 Binary 1101101011010010011100100
3 Ternary 1222222011112201
4 Quaternary 1231122103210
5 Quinary 24320301234
6 Senary 2502424244
8 Octal 155322344
10 Decimal 28681444
12 Duodecimal 9732084
16 Hexadecimal 1b5a4e4
20 Vigesimal 8j53c4
36 Base36 h2qqs

Cryptographic Hash Functions

md5 e0a01a078d8417b75a0a4b794c192918
sha1 5e81d0d72273752d01f677077f8e192ba1b678e6
sha256 c7ee1228fbbb258382f8fb5c255ade56d7ae6abd32a9c1c6a3aed66cd9db990b
sha512 fc82091fcbb00f4405187792addfe696d2e5fbabf50dbf1e691c3b3fdcd19ab9a1acdd471ff30daf04130c76b2c82fbdd9060f8d8e6a0a06ffd44530c6363797
ripemd-160 e1fcb15b65d9f72a40cc0bf08dd618abd76bf3d9

28681444 as geometric shapes

Circle

Radius = n
Diameter 57362888
Circumference 180210827.52949
Area 2.5843533789904E+15

Sphere

Radius = n
Volume 9.8830648954299E+22
Surface area 1.0337413515962E+16
Circumference 180210827.52949

Square

Length = n
Perimeter 114725776
Area 822625229925136
Diagonal 40561687.093244

Cube

Length = n
Surface area 4935751379550816
Volume 2.3594079465085E+22
Space diagonal 49677718.242442

Equilateral Triangle

Length = n
Perimeter 86044332
Area 3.5620717345459E+14
Altitude 24838859.121221

Triangular Pyramid

Length = n
Surface area 3.5620717345459E+14
Volume 2.780588930936E+21
Height 13520562.364415