18542642 (number)

18542642 is an even 8-digits composite number following 18542641 and preceding 18542643. In scientific notation, it is written as 1.8542642 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 9212112 positive integers (up to 18542642) that are relatively prime to 18542642.

Interesting facts

Basic properties

Name

Name eighteen million five hundred forty-two thousand six hundred forty-two

Notation

Scientific notation 1.8542642 × 10^7
Engineering notation 1.8542642 × 10^6

Prime Factorization of 18542642

Prime Factorization 2 × 157 × 59053

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18542642
Product of the distinct prime numbers

The prime factorization of 18542642 is 2 × 157 × 59053. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18542642)

Multiplication

n×y
n×2 37085284
n×3 55627926
n×4 74170568
n×5 92713210

Division

n÷y
n÷2 9271321
n÷3 6180880.6666667
n÷3 4635660.5
n÷5 3708528.4

Exponentiation

ny
n2 343829572340164
n3 6.3755086689168E+21
n4 1.1821877481562E+29
n5 2.1920884190847E+36

Nth Root

y√n
2√n 4306.1168121638
3√n 264.68167306651
4√n 65.621008923696
5√n 28.420670704576

Divisors of 18542642

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 -18542641
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 18542642 can be divided by 8 positive divisors. The sum of these divisors (counting 18542642) is 1, the average is 0.125.

Base conversion 18542642

Base System Value
2 Binary 1000110101111000000110010
3 Ternary 1021220001201112
4 Quaternary 1012233000302
5 Quinary 14221331032
6 Senary 1501233322
8 Octal 106570062
10 Decimal 18542642
12 Duodecimal 6262842
16 Hexadecimal 11af032
20 Vigesimal 5fhgc2
36 Base36 b1fle

Cryptographic Hash Functions

md5 d1034bb5110d976b14dd197e4e8b5d6d
sha1 c4bfb764d7bff1ff328cd81f1b45de3e32440e65
sha256 3c9831b430bfcd4333c2509357d59560d8f22ddf189ba364235cc995341a148c
sha512 84480f95c486f6c9d5046c42a42e5d3827ec0dff1c35a9e4187fbb0cffb566f090443fc8c1f23c07a98a7a804d423ccd608fafd9e48b430d72d4839c9d14a6fc
ripemd-160 5d8a71de564f42f449c7abde9af1c17fda09c830

18542642 as geometric shapes

Circle

Radius = n
Diameter 37085284
Circumference 116506855.77069
Area 1.0801724585508E+15

Sphere

Radius = n
Volume 2.6705668262889E+22
Surface area 4.3206898342031E+15
Circumference 116506855.77069

Square

Length = n
Perimeter 74170568
Area 343829572340164
Diagonal 26223255.798629

Cube

Length = n
Surface area 2062977434040984
Volume 6.3755086689168E+21
Space diagonal 32116798.050561

Equilateral Triangle

Length = n
Perimeter 55627926
Area 1.4888257210946E+14
Altitude 16058399.02528

Triangular Pyramid

Length = n
Surface area 1.4888257210946E+14
Volume 7.5136090221744E+20
Height 8741085.2662097