18442668 (number)

18442668 is an even 8-digits composite number following 18442667 and preceding 18442669. In scientific notation, it is written as 1.8442668 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors. There are 6147552 positive integers (up to 18442668) that are relatively prime to 18442668.

Interesting facts

Basic properties

Name

Name eighteen million four hundred forty-two thousand six hundred sixty-eight

Notation

Scientific notation 1.8442668 × 10^7
Engineering notation 1.8442668 × 10^6

Prime Factorization of 18442668

Prime Factorization 2 × 2 × 3 × 1536889

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9221334
Product of the distinct prime numbers

The prime factorization of 18442668 is 2 × 2 × 3 × 1536889. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18442668)

Multiplication

n×y
n×2 36885336
n×3 55328004
n×4 73770672
n×5 92213340

Division

n÷y
n÷2 9221334
n÷3 6147556
n÷3 4610667
n÷5 3688533.6

Exponentiation

ny
n2 340132002958224
n3 6.2729416067335E+21
n4 1.1568977943637E+29
n5 2.1336281931383E+36

Nth Root

y√n
2√n 4294.4927523516
3√n 264.20513211974
4√n 65.532379419273
5√n 28.389957975272

Divisors of 18442668

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18442667
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18442668 can be divided by 12 positive divisors. The sum of these divisors (counting 18442668) is 1, the average is 0.083333333333333.

Base conversion 18442668

Base System Value
2 Binary 1000110010110100110101100
3 Ternary 1021200222120210
4 Quaternary 1012112212230
5 Quinary 14210131133
6 Senary 1455142420
8 Octal 106264654
10 Decimal 18442668
12 Duodecimal 6214a10
16 Hexadecimal 11969ac
20 Vigesimal 5f56d8
36 Base36 azagc

Cryptographic Hash Functions

md5 e7c483fd026b585390a62f6b6dd8b1d5
sha1 4eb6b679dc7df4260b0102a4b25a8c8a9df015f6
sha256 d5c5070f959d39799d9dd9479b743ebeeba1f6b7e797ae974c8c1562dc542f80
sha512 8777e986e945cd3ca16dec3ecf0ab4fef4ae39b94fe715977bf4d35d91493800848d4147272a4083025b5b5fff9e6f4946100b9703888101d44125c28367375e
ripemd-160 d1086b0214b95f77bbfa45dd169004f35cb7ee0f

18442668 as geometric shapes

Circle

Radius = n
Diameter 36885336
Circumference 115878700.60279
Area 1.0685562017443E+15

Sphere

Radius = n
Volume 2.6276036357482E+22
Surface area 4.2742248069774E+15
Circumference 115878700.60279

Square

Length = n
Perimeter 73770672
Area 340132002958224
Diagonal 26081871.211944

Cube

Length = n
Surface area 2040792017749344
Volume 6.2729416067335E+21
Space diagonal 31943638.003125

Equilateral Triangle

Length = n
Perimeter 55328004
Area 1.4728147760095E+14
Altitude 15971819.001562

Triangular Pyramid

Length = n
Surface area 1.4728147760095E+14
Volume 7.3927325801809E+20
Height 8693957.0706481