20804805 (number)

20804805 is an odd 8-digits composite number following 20804804 and preceding 20804806. In scientific notation, it is written as 2.0804805 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 9510624 positive integers (up to 20804805) that are relatively prime to 20804805.

Interesting facts

Basic properties

Name

Name twenty million eight hundred four thousand eight hundred five

Notation

Scientific notation 2.0804805 × 10^7
Engineering notation 2.0804805 × 10^6

Prime Factorization of 20804805

Prime Factorization 15 × 3 × 7 × 66047

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20804805
Product of the distinct prime numbers

The prime factorization of 20804805 is 15 × 3 × 7 × 66047. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 9, 43, 79, 887, 368, 2043, 9868, 94217, 5075, 721337, 708616, 1637955, 3962756, 57801719, 78927317, 945766677, 312108417, 2020754854, 1072794125

Basic calculations (n = 20804805)

Multiplication

n×y
n×2 41609610
n×3 62414415
n×4 83219220
n×5 104024025

Division

n÷y
n÷2 10402402.5
n÷3 6934935
n÷3 5201201.25
n÷5 4160961

Exponentiation

ny
n2 432839911088025
n3 9.0051499464037E+21
n4 1.8735038863069E+29
n5 3.8977883021357E+36

Nth Root

y√n
2√n 4561.2284529499
3√n 275.03494872635
4√n 67.536867361093
5√n 29.082566506312

Divisors of 20804805

1, 3, 7, 15, 21, 45, 105, 315, 66047, 198141, 462329, 990705, 1386987, 2972115, 6934935, 20804805

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 -20804804
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 20804805 can be divided by 16 positive divisors. The sum of these divisors (counting 20804805) is 1, the average is 0.0625.

Base conversion 20804805

Base System Value
2 Binary 1001111010111010011000101
3 Ternary 1110010222211100
4 Quaternary 1033113103011
5 Quinary 20311223210
6 Senary 2021530313
8 Octal 117272305
10 Decimal 20804805
12 Duodecimal 6b73999
16 Hexadecimal 13d74c5
20 Vigesimal 6a0c05
36 Base36 cdx39

Cryptographic Hash Functions

md5 514903cc7baac29ebf7540fe2c51c73f
sha1 9577b07cc26dea444c17e953be3e77f357cd6966
sha256 3d1fee78199104e671c727739539c4d76e4d167211dc763b1d90bdc8c9756d48
sha512 e0b5537deb0127499a89eab9fab46d1cf6d1054e9fe33ccedf553e60a40424c212b4024835401b74ac7e17bc51785be2e03cbcef1b2f134d8627460c8a51f1df
ripemd-160 d60698f17c7da9417ab80406e8a90b1bbbc3178b

20804805 as geometric shapes

Circle

Radius = n
Diameter 41609610
Circumference 130720445.09474
Area 1.3598066848546E+15

Sphere

Radius = n
Volume 3.7720683888128E+22
Surface area 5.4392267394184E+15
Circumference 130720445.09474

Square

Length = n
Perimeter 83219220
Area 432839911088025
Diagonal 29422437.393528

Cube

Length = n
Surface area 2597039466528150
Volume 9.0051499464037E+21
Space diagonal 36034979.301563

Equilateral Triangle

Length = n
Perimeter 62414415
Area 1.8742517938701E+14
Altitude 18017489.650782

Triangular Pyramid

Length = n
Surface area 1.8742517938701E+14
Volume 1.061267098784E+21
Height 9807479.1311759