18542421 (number)

18542421 is an odd 8-digits composite number following 18542420 and preceding 18542422. In scientific notation, it is written as 1.8542421 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 12128064 positive integers (up to 18542421) that are relatively prime to 18542421.

Interesting facts

Basic properties

Name

Name eighteen million five hundred forty-two thousand four hundred twenty-one

Notation

Scientific notation 1.8542421 × 10^7
Engineering notation 1.8542421 × 10^6

Prime Factorization of 18542421

Prime Factorization 9 × 53 × 38873

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18542421
Product of the distinct prime numbers

The prime factorization of 18542421 is 9 × 53 × 38873. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18542421)

Multiplication

n×y
n×2 37084842
n×3 55627263
n×4 74169684
n×5 92712105

Division

n÷y
n÷2 9271210.5
n÷3 6180807
n÷3 4635605.25
n÷5 3708484.2

Exponentiation

ny
n2 343821376541241
n3 6.3752807126272E+21
n4 1.1821313896671E+29
n5 2.1919577904523E+36

Nth Root

y√n
2√n 4306.0911509163
3√n 264.68062152844
4√n 65.620813397247
5√n 28.420602958047

Divisors of 18542421

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18542420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18542421 can be divided by 8 positive divisors. The sum of these divisors (counting 18542421) is 1, the average is 0.125.

Base conversion 18542421

Base System Value
2 Binary 1000110101110111101010101
3 Ternary 1021220001102100
4 Quaternary 1012232331111
5 Quinary 14221324141
6 Senary 1501232313
8 Octal 106567525
10 Decimal 18542421
12 Duodecimal 6262699
16 Hexadecimal 11aef55
20 Vigesimal 5fhg11
36 Base36 b1ff9

Cryptographic Hash Functions

md5 4584c4f140727bb499f38d49bf950718
sha1 f4f581e0e622c37afc946f1e599aea1d9e46f447
sha256 843f195a4dae77b61c6e6f8ff7da7a70e808aef1205061c715b93a8c71196317
sha512 ae69d237ed38a8a37277220b1dac6ebbfed9ec64bca5b678ea15c7583272012b8bfb0c8474ec2e34be2d7a642a81479fd37ba1bb4cf3c8d603a047d10a117cb8
ripemd-160 1ed8dec9fc131866daa60ea2897a91fed0c86458

18542421 as geometric shapes

Circle

Radius = n
Diameter 37084842
Circumference 116505467.18674
Area 1.0801467106891E+15

Sphere

Radius = n
Volume 2.6704713401816E+22
Surface area 4.3205868427564E+15
Circumference 116505467.18674

Square

Length = n
Perimeter 74169684
Area 343821376541241
Diagonal 26222943.257432

Cube

Length = n
Surface area 2062928259247446
Volume 6.3752807126272E+21
Space diagonal 32116415.267332

Equilateral Triangle

Length = n
Perimeter 55627263
Area 1.4887902322442E+14
Altitude 16058207.633666

Triangular Pyramid

Length = n
Surface area 1.4887902322442E+14
Volume 7.5133403731108E+20
Height 8740981.0858106