18542 (number)

18542 is an even 5-digits composite number following 18541 and preceding 18543. In scientific notation, it is written as 1.8542 × 10^4. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 9072 positive integers (up to 18542) that are relatively prime to 18542.

Interesting facts

Basic properties

Name

Name eighteen thousand five hundred forty-two

Notation

Scientific notation 1.8542 × 10^4
Engineering notation 1.8542 × 10^3

Prime Factorization of 18542

Prime Factorization 2 × 73 × 127

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18542
Product of the distinct prime numbers

The prime factorization of 18542 is 2 × 73 × 127. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 6, 31, 80, 640, 222, 6142, 9085, 10443, 96434, 923616, 70278, 2606529, 7734255, 96510711, 19662444, 462179429, 568613427, 3057203080, 4368540217

Basic calculations (n = 18542)

Multiplication

n×y
n×2 37084
n×3 55626
n×4 74168
n×5 92710

Division

n÷y
n÷2 9271
n÷3 6180.6666666667
n÷3 4635.5
n÷5 3708.4

Exponentiation

ny
n2 343805764
n3 6374846476088
n4 118202403359623696
n5 2.1917089630941E+21

Nth Root

y√n
2√n 136.16901262769
3√n 26.467861834908
4√n 11.669147896384
5√n 7.1389002768127

Divisors of 18542

1, 2, 73, 127, 146, 254, 9271, 18542

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 -18541
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 18542 can be divided by 8 positive divisors. The sum of these divisors (counting 18542) is 1, the average is 0.125.

Base conversion 18542

Base System Value
2 Binary 100100001101110
3 Ternary 221102202
4 Quaternary 10201232
5 Quinary 1043132
6 Senary 221502
8 Octal 44156
10 Decimal 18542
12 Duodecimal a892
16 Hexadecimal 486e
20 Vigesimal 2672
36 Base36 eb2

Cryptographic Hash Functions

md5 bb6d2babd7797d94d8f4a8600bc9b44e
sha1 2ffc02cc98f3efb9d183db9e81f7cbfd341f873f
sha256 1e2f2c186699589a990eefbf4b4fa3771067355bdcd25156bdac493bdf9330f3
sha512 1d7b883665d83174ec9ce0c925366f3a82a9871a138acd3e430e33b0b7bf0cf43d3fb73e3078904cfb433a3d21b08d64ae7f77f6d7664535127a05914c0090b5
ripemd-160 efe18b0e33be09c4fbb6d2383924dcf601f90f2e

18542 as geometric shapes

Circle

Radius = n
Diameter 37084
Circumference 116502.82196572
Area 1080097662.4442

Sphere

Radius = n
Volume 26702894476054
Surface area 4320390649.7769
Circumference 116502.82196572

Square

Length = n
Perimeter 74168
Area 343805764
Diagonal 26222.347873522

Cube

Length = n
Surface area 2062834584
Volume 6374846476088
Space diagonal 32115.686073942

Equilateral Triangle

Length = n
Perimeter 55626
Area 148872262.79576
Altitude 16057.843036971

Triangular Pyramid

Length = n
Surface area 148872262.79576
Volume 751282862044.17
Height 8740.7826245073