18071728 (number)

18071728 is an even 8-digits composite number following 18071727 and preceding 18071729. In scientific notation, it is written as 1.8071728 × 10^7. The sum of its digits is 34. It has a total of 7 prime factors and 40 positive divisors. There are 8736000 positive integers (up to 18071728) that are relatively prime to 18071728.

Interesting facts

Basic properties

Name

Name eighteen million seventy-one thousand seven hundred twenty-eight

Notation

Scientific notation 1.8071728 × 10^7
Engineering notation 1.8071728 × 10^6

Prime Factorization of 18071728

Prime Factorization 2 × 2 × 2 × 2 × 53 × 101 × 211

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2258966
Product of the distinct prime numbers

The prime factorization of 18071728 is 2 × 2 × 2 × 2 × 53 × 101 × 211. Since it has a total of 7 prime factors.

Most popular turbo-numbers

1, 7, 93, 24, 523, 834, 1414, 3285, 55892, 67230, 611808, 225466, 723530, 8495819, 97525020, 83873450, 23787965, 301793457, 6627265087, 4991625310

Basic calculations (n = 18071728)

Multiplication

n×y
n×2 36143456
n×3 54215184
n×4 72286912
n×5 90358640

Division

n÷y
n÷2 9035864
n÷3 6023909.3333333
n÷3 4517932
n÷5 3614345.6

Exponentiation

ny
n2 326587352905984
n3 5.901997809957E+21
n4 1.0665929907814E+29
n5 1.9275178416108E+36

Nth Root

y√n
2√n 4251.0855084319
3√n 262.42179015457
4√n 65.200348990108
5√n 28.274825691373

Divisors of 18071728

1, 2, 4, 8, 16, 53, 101, 106, 202, 211, 212, 404, 422, 424, 808, 844, 848, 1616, 1688, 3376, 5353, 10706, 11183, 21311, 21412, 22366, 42622, 42824, 44732, 85244, 85648, 89464, 170488, 178928, 340976, 1129483, 2258966, 4517932, 9035864, 18071728

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18071727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18071728 can be divided by 40 positive divisors. The sum of these divisors (counting 18071728) is 1, the average is 0.025.

Base conversion 18071728

Base System Value
2 Binary 1000100111100000010110000
3 Ternary 1021000010202021
4 Quaternary 1010330002300
5 Quinary 14111243403
6 Senary 1443201224
8 Octal 104740260
10 Decimal 18071728
12 Duodecimal 6076214
16 Hexadecimal 113c0b0
20 Vigesimal 5cij68
36 Base36 arc8g

Cryptographic Hash Functions

md5 c39e37dc4547ea292d305830464126f5
sha1 9d21f13ddb5e2f906c41ad41eb80db5caef2e50e
sha256 6dcc16666b9804ce6e816fe26e44f7b1c7a3e9823678d8887517732a6d3dca0a
sha512 362e3cc56d23c6e9a9216c066e0be797cb84a6b56deff1aff6d52432acc8efda1d44f26088b875407049411dfb9c181ace69c1f40767d016a6ac13e551b8525f
ripemd-160 c5188851b29fbe00162583b74e960951a3cfc9c2

18071728 as geometric shapes

Circle

Radius = n
Diameter 36143456
Circumference 113548015.84495
Area 1.0260044286448E+15

Sphere

Radius = n
Volume 2.4722230615018E+22
Surface area 4.1040177145791E+15
Circumference 113548015.84495

Square

Length = n
Perimeter 72286912
Area 326587352905984
Diagonal 25557282.833118

Cube

Length = n
Surface area 1959524117435904
Volume 5.901997809957E+21
Space diagonal 31301151.076565

Equilateral Triangle

Length = n
Perimeter 54215184
Area 1.4141647208565E+14
Altitude 15650575.538283

Triangular Pyramid

Length = n
Surface area 1.4141647208565E+14
Volume 6.9555711232812E+20
Height 8519094.2777059