20686790 (number)

20686790 is an even 8-digits composite number following 20686789 and preceding 20686791. In scientific notation, it is written as 2.0686790 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 7787904 positive integers (up to 20686790) that are relatively prime to 20686790.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-six thousand seven hundred ninety

Notation

Scientific notation 2.0686790 × 10^7
Engineering notation 2.0686790 × 10^6

Prime Factorization of 20686790

Prime Factorization 2 × 17 × 5 × 121687

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20686790
Product of the distinct prime numbers

The prime factorization of 20686790 is 2 × 17 × 5 × 121687. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 6, 92, 19, 669, 774, 5141, 940, 26156, 24691, 479877, 739581, 4299884, 4204391, 87780540, 57183298, 994193445, 952144408, 4333404438, 4997836832

Basic calculations (n = 20686790)

Multiplication

n×y
n×2 41373580
n×3 62060370
n×4 82747160
n×5 103433950

Division

n÷y
n÷2 10343395
n÷3 6895596.6666667
n÷3 5171697.5
n÷5 4137358

Exponentiation

ny
n2 427943280504100
n3 8.8527727756994E+21
n4 1.8313545132861E+29
n5 3.7884846231902E+36

Nth Root

y√n
2√n 4548.2732987366
3√n 274.51391818197
4√n 67.44088744031
5√n 29.049497287019

Divisors of 20686790

1, 2, 5, 10, 17, 34, 85, 170, 121687, 243374, 608435, 1216870, 2068679, 4137358, 10343395, 20686790

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 -20686789
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 20686790 can be divided by 16 positive divisors. The sum of these divisors (counting 20686790) is 1, the average is 0.0625.

Base conversion 20686790

Base System Value
2 Binary 1001110111010011111000110
3 Ternary 1102220222221102
4 Quaternary 1032322133012
5 Quinary 20243434130
6 Senary 2015220102
8 Octal 116723706
10 Decimal 20686790
12 Duodecimal 6b17632
16 Hexadecimal 13ba7c6
20 Vigesimal 695gja
36 Base36 cbe12

Cryptographic Hash Functions

md5 5fe8eec5723f809c8abd4a9cd5703602
sha1 f18aa3e009ecac3f018aec3fa7a988545d1d5aa2
sha256 1ad45f1e6fb59ef89008d677b241f0a4de5b134f0011d3394db081fe39c616dc
sha512 28e153cca854516e426fd455015f420ce3e4787f17d7376d691e4d66c377f66dea7f36076d74b44098e0e8e19ca199567d823309bdb3d7709738af265154ea71
ripemd-160 e3b1779df96d67081ac746fcd5928a96d5b08253

20686790 as geometric shapes

Circle

Radius = n
Diameter 41373580
Circumference 129978934.98071
Area 1.3444234661848E+15

Sphere

Radius = n
Volume 3.7082407888049E+22
Surface area 5.3776938647392E+15
Circumference 129978934.98071

Square

Length = n
Perimeter 82747160
Area 427943280504100
Diagonal 29255538.979964

Cube

Length = n
Surface area 2567659683024600
Volume 8.8527727756994E+21
Space diagonal 35830571.325508

Equilateral Triangle

Length = n
Perimeter 62060370
Area 1.853048761477E+14
Altitude 17915285.662754

Triangular Pyramid

Length = n
Surface area 1.853048761477E+14
Volume 1.0433092770001E+21
Height 9751846.3266547