20145242 (number)

20145242 is an even 8-digits composite number following 20145241 and preceding 20145243. In scientific notation, it is written as 2.0145242 × 10^7. The sum of its digits is 20. It has a total of 5 prime factors and 32 positive divisors. There are 8817984 positive integers (up to 20145242) that are relatively prime to 20145242.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145242 × 10^7
Engineering notation 2.0145242 × 10^6

Prime Factorization of 20145242

Prime Factorization 2 × 37 × 13 × 43 × 487

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20145242
Product of the distinct prime numbers

The prime factorization of 20145242 is 2 × 37 × 13 × 43 × 487. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145242)

Multiplication

n×y
n×2 40290484
n×3 60435726
n×4 80580968
n×5 100726210

Division

n÷y
n÷2 10072621
n÷3 6715080.6666667
n÷3 5036310.5
n÷5 4029048.4

Exponentiation

ny
n2 405830775238564
n3 8.1755591782285E+21
n4 1.6469861813073E+29
n5 3.3178935193092E+36

Nth Root

y√n
2√n 4488.3451293322
3√n 272.09725652697
4√n 66.995112727215
5√n 28.895785033452

Divisors of 20145242

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145241
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145242 can be divided by 32 positive divisors. The sum of these divisors (counting 20145242) is 1, the average is 0.03125.

Base conversion 20145242

Base System Value
2 Binary 1001100110110010001011010
3 Ternary 1101220111002002
4 Quaternary 1030312101122
5 Quinary 20124121432
6 Senary 1555441002
8 Octal 114662132
10 Decimal 20145242
12 Duodecimal 68b6162
16 Hexadecimal 133645a
20 Vigesimal 65i322
36 Base36 bzs62

Cryptographic Hash Functions

md5 4d99afcd89ae8e17488d6472d4612335
sha1 a6ff5f35bf2f47524b447fc1c6698fb4bec7ff4d
sha256 46101f95446d0207b8a2b5a170d4b2453688fe58d86f4d82ddd324f6f4a42ee0
sha512 d3a8f70e4e8a7918b17f257a50f7aafc2603ab83d72f7a315472edfcaddd8b028cdfa1f6c046eefdb06bc6f330aca131a12049e253c4375212e6e62c4713c01a
ripemd-160 db75d6f8ad9b0b7a50b81286609d4ebd7d99240f

20145242 as geometric shapes

Circle

Radius = n
Diameter 40290484
Circumference 126576288.54398
Area 1.2749549820901E+15

Sphere

Radius = n
Volume 3.4245702204415E+22
Surface area 5.0998199283605E+15
Circumference 126576288.54398

Square

Length = n
Perimeter 80580968
Area 405830775238564
Diagonal 28489674.453688

Cube

Length = n
Surface area 2434984651431384
Volume 8.1755591782285E+21
Space diagonal 34892582.67477

Equilateral Triangle

Length = n
Perimeter 60435726
Area 1.7572988049706E+14
Altitude 17446291.337385

Triangular Pyramid

Length = n
Surface area 1.7572988049706E+14
Volume 9.6349888915288E+20
Height 9496558.1512294