18542942 (number)

18542942 is an even 8-digits composite number following 18542941 and preceding 18542943. In scientific notation, it is written as 1.8542942 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 8409240 positive integers (up to 18542942) that are relatively prime to 18542942.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8542942 × 10^7
Engineering notation 1.8542942 × 10^6

Prime Factorization of 18542942

Prime Factorization 2 × 11 × 1279 × 659

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18542942
Product of the distinct prime numbers

The prime factorization of 18542942 is 2 × 11 × 1279 × 659. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 5, 10, 43, 404, 39, 6896, 3977, 11155, 93847, 700435, 494407, 5727214, 194638, 82830334, 58702167, 960812878, 440941664, 5084028100, 1115674033

Basic calculations (n = 18542942)

Multiplication

n×y
n×2 37085884
n×3 55628826
n×4 74171768
n×5 92714710

Division

n÷y
n÷2 9271471
n÷3 6180980.6666667
n÷3 4635735.5
n÷5 3708588.4

Exponentiation

ny
n2 343840698015364
n3 6.3758181205384E+21
n4 1.1822642561169E+29
n5 2.1922657529849E+36

Nth Root

y√n
2√n 4306.1516461918
3√n 264.68310048039
4√n 65.621274341419
5√n 28.420762667157

Divisors of 18542942

1, 2, 11, 22, 659, 1279, 1318, 2558, 7249, 14069, 14498, 28138, 842861, 1685722, 9271471, 18542942

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18542941
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18542942 can be divided by 16 positive divisors. The sum of these divisors (counting 18542942) is 1, the average is 0.0625.

Base conversion 18542942

Base System Value
2 Binary 1000110101111000101011110
3 Ternary 1021220002010122
4 Quaternary 1012233011132
5 Quinary 14221333232
6 Senary 1501234542
8 Octal 106570536
10 Decimal 18542942
12 Duodecimal 6262a52
16 Hexadecimal 11af15e
20 Vigesimal 5fhh72
36 Base36 b1ftq

Cryptographic Hash Functions

md5 921206eda7d079c7d602f3de681ce06d
sha1 41f34a810a85e0cf2fc772fab084774c5293880b
sha256 b4c41867d4fad35044f245d1c4599151136fe2f11e792ad042ba3be27a3e1fac
sha512 cc20ae114d77f17520020fd9bad1e9746a973fdc048d62719747473facce1fac7770c34fede972195f5225563b643f7361f6abe4a1a09683c292510e075ce9fa
ripemd-160 a34419ff516c02bda25abb9a5c04fdfa2bda71ba

18542942 as geometric shapes

Circle

Radius = n
Diameter 37085884
Circumference 116508740.72628
Area 1.0802074108903E+15

Sphere

Radius = n
Volume 2.6706964490811E+22
Surface area 4.320829643561E+15
Circumference 116508740.72628

Square

Length = n
Perimeter 74171768
Area 343840698015364
Diagonal 26223680.062698

Cube

Length = n
Surface area 2063044188092184
Volume 6.3758181205384E+21
Space diagonal 32117317.665803

Equilateral Triangle

Length = n
Perimeter 55628826
Area 1.4888738966814E+14
Altitude 16058658.832901

Triangular Pyramid

Length = n
Surface area 1.4888738966814E+14
Volume 7.513973714408E+20
Height 8741226.6875659