18728049 (number)

18728049 is an odd 8-digits composite number following 18728048 and preceding 18728050. In scientific notation, it is written as 1.8728049 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 11886336 positive integers (up to 18728049) that are relatively prime to 18728049.

Interesting facts

Basic properties

Name

Name eighteen million seven hundred twenty-eight thousand forty-nine

Notation

Scientific notation 1.8728049 × 10^7
Engineering notation 1.8728049 × 10^6

Prime Factorization of 18728049

Prime Factorization 3 × 23 × 269 × 1009

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18728049
Product of the distinct prime numbers

The prime factorization of 18728049 is 3 × 23 × 269 × 1009. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 3, 1, 17, 112, 29, 1610, 4798, 99138, 54872, 405984, 344335, 7433841, 6418184, 86587295, 62615690, 920514929, 680496156, 1705490911, 920007554

Basic calculations (n = 18728049)

Multiplication

n×y
n×2 37456098
n×3 56184147
n×4 74912196
n×5 93640245

Division

n÷y
n÷2 9364024.5
n÷3 6242683
n÷3 4682012.25
n÷5 3745609.8

Exponentiation

ny
n2 350739819346401
n3 6.5686725229705E+21
n4 1.2301842087515E+29
n5 2.3038950140524E+36

Nth Root

y√n
2√n 4327.5915934848
3√n 265.56092884197
4√n 65.784432759466
5√n 28.477280129449

Divisors of 18728049

1, 3, 23, 69, 269, 807, 1009, 3027, 6187, 18561, 23207, 69621, 271421, 814263, 6242683, 18728049

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18728048
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18728049 can be divided by 16 positive divisors. The sum of these divisors (counting 18728049) is 1, the average is 0.0625.

Base conversion 18728049

Base System Value
2 Binary 1000111011100010001110001
3 Ternary 1022020111001110
4 Quaternary 1013130101301
5 Quinary 14243244144
6 Senary 1505223533
8 Octal 107342161
10 Decimal 18728049
12 Duodecimal 6331ba9
16 Hexadecimal 11dc471
20 Vigesimal 5h1029
36 Base36 b5enl

Cryptographic Hash Functions

md5 e51871702a93bedee4f955254518fc01
sha1 e5f61e167d37f4a9b3bd847f3f5467418c2d21dd
sha256 9d8a402c3a30bb78b7d5c5b8c504884d27a8512da47e6afab86f083a86aa4fa4
sha512 e82f2bd06dec1e563f84e50655a304a8b61de7df05d2afe305e75923c7d63c9134c2a319159a422f9a23bfc0422a534c177751dc58051f42f2cc555a1bf31b16
ripemd-160 d5c54cb9daf3e6dd48cf8e28a7d31c65f6c22744

18728049 as geometric shapes

Circle

Radius = n
Diameter 37456098
Circumference 117671802.30894
Area 1.1018816397801E+15

Sphere

Radius = n
Volume 2.7514791122669E+22
Surface area 4.4075265591203E+15
Circumference 117671802.30894

Square

Length = n
Perimeter 74912196
Area 350739819346401
Diagonal 26485460.892588

Cube

Length = n
Surface area 2104438916078406
Volume 6.5686725229705E+21
Space diagonal 32437932.39464

Equilateral Triangle

Length = n
Perimeter 56184147
Area 1.5187479683637E+14
Altitude 16218966.19732

Triangular Pyramid

Length = n
Surface area 1.5187479683637E+14
Volume 7.7412548073104E+20
Height 8828486.964196