20802645 (number)

20802645 is an odd 8-digits composite number following 20802644 and preceding 20802646. In scientific notation, it is written as 2.0802645 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 10268160 positive integers (up to 20802645) that are relatively prime to 20802645.

Interesting facts

Basic properties

Name

Name twenty million eight hundred two thousand six hundred forty-five

Notation

Scientific notation 2.0802645 × 10^7
Engineering notation 2.0802645 × 10^6

Prime Factorization of 20802645

Prime Factorization 9 × 85 × 71 × 383

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20802645
Product of the distinct prime numbers

The prime factorization of 20802645 is 9 × 85 × 71 × 383. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 3, 85, 82, 110, 551, 3114, 586, 88655, 20235, 857920, 665569, 5974315, 4121292, 95554445, 60713537, 446963821, 466943722, 7550112428, 3213787980

Basic calculations (n = 20802645)

Multiplication

n×y
n×2 41605290
n×3 62407935
n×4 83210580
n×5 104013225

Division

n÷y
n÷2 10401322.5
n÷3 6934215
n÷3 5200661.25
n÷5 4160529

Exponentiation

ny
n2 432750038996025
n3 9.0023454349705E+21
n4 1.8727259625106E+29
n5 3.8957653380392E+36

Nth Root

y√n
2√n 4560.9916684861
3√n 275.0254301552
4√n 67.535114336811
5√n 29.081962598199

Divisors of 20802645

1, 9, 71, 85, 383, 639, 765, 3447, 6035, 27193, 32555, 54315, 244737, 292995, 2311405, 20802645

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 -20802644
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 20802645 can be divided by 16 positive divisors. The sum of these divisors (counting 20802645) is 1, the average is 0.0625.

Base conversion 20802645

Base System Value
2 Binary 1001111010110110001010101
3 Ternary 1110010212212100
4 Quaternary 1033112301111
5 Quinary 20311141040
6 Senary 2021512313
8 Octal 117266125
10 Decimal 20802645
12 Duodecimal 6b72699
16 Hexadecimal 13d6c55
20 Vigesimal 6a06c5
36 Base36 cdvf9

Cryptographic Hash Functions

md5 d5603e08e5a2b7bb2a245f27e83c32dc
sha1 f0e9ad901eeff1c0f1180c9d7ce4a82df073aea9
sha256 6ca70849196b57771fa07b7730bf8f9e8a1aa7286d168c23ff540dbac6cc6600
sha512 448a92830fa0c0b2f24bc4dc2942deb48f5ee34ab37ab7fe15affaa80ea84a0cbc4c8dd7ea21deb11e2dbf291e3af98b9b5953440ca964a4b9e60a8b9794794d
ripemd-160 34835c50b1b1529f7e421a7b142f060ea3263a89

20802645 as geometric shapes

Circle

Radius = n
Diameter 41605290
Circumference 130706873.41447
Area 1.3595243433506E+15

Sphere

Radius = n
Volume 3.7708936378108E+22
Surface area 5.4380973734024E+15
Circumference 130706873.41447

Square

Length = n
Perimeter 83210580
Area 432750038996025
Diagonal 29419382.692233

Cube

Length = n
Surface area 2596500233976150
Volume 9.0023454349705E+21
Space diagonal 36031238.071819

Equilateral Triangle

Length = n
Perimeter 62407935
Area 1.8738626362963E+14
Altitude 18015619.035909

Triangular Pyramid

Length = n
Surface area 1.8738626362963E+14
Volume 1.0609365839419E+21
Height 9806460.897411