20502721 (number)

20502721 is an odd 8-digits composite number following 20502720 and preceding 20502722. In scientific notation, it is written as 2.0502721 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 20493652 positive integers (up to 20502721) that are relatively prime to 20502721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0502721 × 10^7
Engineering notation 2.0502721 × 10^6

Prime Factorization of 20502721

Prime Factorization 4283 × 4787

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20502721
Product of the distinct prime numbers

The prime factorization of 20502721 is 4283 × 4787. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20502721)

Multiplication

n×y
n×2 41005442
n×3 61508163
n×4 82010884
n×5 102513605

Division

n÷y
n÷2 10251360.5
n÷3 6834240.3333333
n÷3 5125680.25
n÷5 4100544.2

Exponentiation

ny
n2 420361568403841
n3 8.6185559561064E+21
n4 1.7670384819094E+29
n5 3.6229096990851E+36

Nth Root

y√n
2√n 4527.9930432809
3√n 273.69729210478
4√n 67.29036367327
5√n 28.997616397001

Divisors of 20502721

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20502720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20502721 can be divided by 4 positive divisors. The sum of these divisors (counting 20502721) is 1, the average is 0.25.

Base conversion 20502721

Base System Value
2 Binary 1001110001101100011000001
3 Ternary 1102120122110001
4 Quaternary 1032031203001
5 Quinary 20222041341
6 Senary 2011240001
8 Octal 116154301
10 Decimal 20502721
12 Duodecimal 6a49001
16 Hexadecimal 138d8c1
20 Vigesimal 682gg1
36 Base36 c7g01

Cryptographic Hash Functions

md5 6223b7ecfc2f82f19eb69c81de91fa6c
sha1 1924c95e2b1cc70302ea4adab4a0183829bef954
sha256 a569d404499be1cb41f9b115cc7b909994e2cc0fc7426633f9a62a29cab7845c
sha512 b449f20381efa50e7d8e2cd29e0a3e7eef412a8f57e3ec202d1d0223c7cdff3626d60e19ba9837dc58d0f50dbefb48492aa273cadb7db0955ea2c4f778163bd8
ripemd-160 8df53d3462dff263723f917c78073dfcbe564bae

20502721 as geometric shapes

Circle

Radius = n
Diameter 41005442
Circumference 128822395.3444
Area 1.320604815149E+15

Sphere

Radius = n
Volume 3.6101322768342E+22
Surface area 5.282419260596E+15
Circumference 128822395.3444

Square

Length = n
Perimeter 82010884
Area 420361568403841
Diagonal 28995226.103752

Cube

Length = n
Surface area 2522169410423046
Volume 8.6185559561064E+21
Space diagonal 35511754.465409

Equilateral Triangle

Length = n
Perimeter 61508163
Area 1.820218985062E+14
Altitude 17755877.232705

Triangular Pyramid

Length = n
Surface area 1.820218985062E+14
Volume 1.0157065600998E+21
Height 9665075.3679172