20804728 (number)

20804728 is an even 8-digits composite number following 20804727 and preceding 20804729. In scientific notation, it is written as 2.0804728 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors. There are 8916288 positive integers (up to 20804728) that are relatively prime to 20804728.

Interesting facts

Basic properties

Name

Name twenty million eight hundred four thousand seven hundred twenty-eight

Notation

Scientific notation 2.0804728 × 10^7
Engineering notation 2.0804728 × 10^6

Prime Factorization of 20804728

Prime Factorization 2 × 2 × 2 × 7 × 371513

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5201182
Product of the distinct prime numbers

The prime factorization of 20804728 is 2 × 2 × 2 × 7 × 371513. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 2, 5, 82, 424, 993, 1311, 5462, 70057, 35428, 321964, 370797, 23653, 5898530, 59586221, 79169335, 72177596, 813830270, 252483418, 7540996293

Basic calculations (n = 20804728)

Multiplication

n×y
n×2 41609456
n×3 62414184
n×4 83218912
n×5 104023640

Division

n÷y
n÷2 10402364
n÷3 6934909.3333333
n÷3 5201182
n÷5 4160945.6

Exponentiation

ny
n2 432836707153984
n3 9.0050499607543E+21
n4 1.873476150599E+29
n5 3.89771617277E+36

Nth Root

y√n
2√n 4561.2200122336
3√n 275.03460941824
4√n 67.53680487137
5√n 29.082544978968

Divisors of 20804728

1, 2, 4, 7, 8, 14, 28, 56, 371513, 743026, 1486052, 2600591, 2972104, 5201182, 10402364, 20804728

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 -20804727
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 20804728 can be divided by 16 positive divisors. The sum of these divisors (counting 20804728) is 1, the average is 0.0625.

Base conversion 20804728

Base System Value
2 Binary 1001111010111010001111000
3 Ternary 1110010222201111
4 Quaternary 1033113101320
5 Quinary 20311222403
6 Senary 2021530104
8 Octal 117272170
10 Decimal 20804728
12 Duodecimal 6b73934
16 Hexadecimal 13d7478
20 Vigesimal 6a0bg8
36 Base36 cdx14

Cryptographic Hash Functions

md5 332a0e4804247de843b49a0ef7aafb0a
sha1 ca8da082d807856e8c8ba5658e434effa9d150d4
sha256 20977801964cb0e924e55f6626eaf1bcdb736762e11dd9f09c5903dc76bc7a27
sha512 f306809862651dae09335f33540cf23cab37154a7c60c0966b859bde3b06792db740848b970f416eb4b5023faa0f053b7b4e7763380efd79e2e9152452bba7b3
ripemd-160 06f2a4fa82d030fad83b388b362f66c1fbc0b6f3

20804728 as geometric shapes

Circle

Radius = n
Diameter 41609456
Circumference 130719961.28947
Area 1.359796619399E+15

Sphere

Radius = n
Volume 3.772026506922E+22
Surface area 5.4391864775958E+15
Circumference 130719961.28947

Square

Length = n
Perimeter 83218912
Area 432836707153984
Diagonal 29422328.499083

Cube

Length = n
Surface area 2597020242923904
Volume 9.0050499607543E+21
Space diagonal 36034845.933651

Equilateral Triangle

Length = n
Perimeter 62414184
Area 1.8742379204288E+14
Altitude 18017422.966825

Triangular Pyramid

Length = n
Surface area 1.8742379204288E+14
Volume 1.0612553153622E+21
Height 9807442.8330278