20686142 (number)

20686142 is an even 8-digits composite number following 20686141 and preceding 20686143. In scientific notation, it is written as 2.0686142 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 10318752 positive integers (up to 20686142) that are relatively prime to 20686142.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-six thousand one hundred forty-two

Notation

Scientific notation 2.0686142 × 10^7
Engineering notation 2.0686142 × 10^6

Prime Factorization of 20686142

Prime Factorization 2 × 433 × 23887

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20686142
Product of the distinct prime numbers

The prime factorization of 20686142 is 2 × 433 × 23887. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20686142)

Multiplication

n×y
n×2 41372284
n×3 62058426
n×4 82744568
n×5 103430710

Division

n÷y
n÷2 10343071
n÷3 6895380.6666667
n÷3 5171535.5
n÷5 4137228.4

Exponentiation

ny
n2 427916470844164
n3 8.8519408800212E+21
n4 1.8311250601972E+29
n5 3.7878913014999E+36

Nth Root

y√n
2√n 4548.2020623539
3√n 274.51105182979
4√n 67.44035929882
5√n 29.049315293485

Divisors of 20686142

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 -20686141
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 20686142 can be divided by 8 positive divisors. The sum of these divisors (counting 20686142) is 1, the average is 0.125.

Base conversion 20686142

Base System Value
2 Binary 1001110111010010100111110
3 Ternary 1102220222001102
4 Quaternary 1032322110332
5 Quinary 20243424032
6 Senary 2015213102
8 Octal 116722476
10 Decimal 20686142
12 Duodecimal 6b17192
16 Hexadecimal 13ba53e
20 Vigesimal 695f72
36 Base36 cbdj2

Cryptographic Hash Functions

md5 60dee07a83c5fc1e7030f8349375f179
sha1 0d7e23dd5e88b89b0a992f3a3172576ac1b34645
sha256 bb2eb932b59b0f4ad4a240713bee73836955fc4be496e5a73d2d0268b5401c07
sha512 5aac3d5219be8be049e203ff98f1ab7eeaa046cc2d1ae27c9dd6fe8bcc9a227155673fed71d3dff47e36dc1f1525d1852cf7aaae9ca53ab8d2ebbb4baaa73479
ripemd-160 cda3a6e32cc3586359e67168f38f7d4e44bfc6d2

20686142 as geometric shapes

Circle

Radius = n
Diameter 41372284
Circumference 129974863.47663
Area 1.3443392411541E+15

Sphere

Radius = n
Volume 3.7078923251581E+22
Surface area 5.3773569646164E+15
Circumference 129974863.47663

Square

Length = n
Perimeter 82744568
Area 427916470844164
Diagonal 29254622.569576

Cube

Length = n
Surface area 2567498825064984
Volume 8.8519408800212E+21
Space diagonal 35829448.956584

Equilateral Triangle

Length = n
Perimeter 62058426
Area 1.8529326722441E+14
Altitude 17914724.478292

Triangular Pyramid

Length = n
Surface area 1.8529326722441E+14
Volume 1.0432112371542E+21
Height 9751540.8565252