20804815 (number)

20804815 is an odd 8-digits composite number following 20804814 and preceding 20804816. In scientific notation, it is written as 2.0804815 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 16621440 positive integers (up to 20804815) that are relatively prime to 20804815.

Interesting facts

Basic properties

Name

Name twenty million eight hundred four thousand eight hundred fifteen

Notation

Scientific notation 2.0804815 × 10^7
Engineering notation 2.0804815 × 10^6

Prime Factorization of 20804815

Prime Factorization 5 × 881 × 4723

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20804815
Product of the distinct prime numbers

The prime factorization of 20804815 is 5 × 881 × 4723. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20804815)

Multiplication

n×y
n×2 41609630
n×3 62414445
n×4 83219260
n×5 104024075

Division

n÷y
n÷2 10402407.5
n÷3 6934938.3333333
n÷3 5201203.75
n÷5 4160963

Exponentiation

ny
n2 432840327184225
n3 9.0051629316073E+21
n4 1.8735074883695E+29
n5 3.8977976696641E+36

Nth Root

y√n
2√n 4561.2295491457
3√n 275.03499279228
4√n 67.536875476629
5√n 29.082569302066

Divisors of 20804815

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20804814
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20804815 can be divided by 8 positive divisors. The sum of these divisors (counting 20804815) is 1, the average is 0.125.

Base conversion 20804815

Base System Value
2 Binary 1001111010111010011001111
3 Ternary 1110010222211201
4 Quaternary 1033113103033
5 Quinary 20311223230
6 Senary 2021530331
8 Octal 117272317
10 Decimal 20804815
12 Duodecimal 6b739a7
16 Hexadecimal 13d74cf
20 Vigesimal 6a0c0f
36 Base36 cdx3j

Cryptographic Hash Functions

md5 702d357b7745557867467d03a868c1bc
sha1 aeaa5a364c10bb94463a3ff6ac69d8ae3319101c
sha256 fc2174e1f0a38b84fa7c926575df06d97651e36809d3aa2ba17cf1dd7a3325b9
sha512 9f398d4dd4f5615afff2c1539ad0e3d6917ed47a771a4eeb11a3fd43246b9ac48c6cb08021df139901931a43a5ee56c766f53b6df716691beb2ddf81d01a90a0
ripemd-160 4dc8b9a122610164eac4f1352e0d37ac2ce551bf

20804815 as geometric shapes

Circle

Radius = n
Diameter 41609630
Circumference 130720507.92659
Area 1.3598079920594E+15

Sphere

Radius = n
Volume 3.7720738280422E+22
Surface area 5.4392319682375E+15
Circumference 130720507.92659

Square

Length = n
Perimeter 83219260
Area 432840327184225
Diagonal 29422451.535663

Cube

Length = n
Surface area 2597041963105350
Volume 9.0051629316073E+21
Space diagonal 36034996.622071

Equilateral Triangle

Length = n
Perimeter 62414445
Area 1.8742535956195E+14
Altitude 18017498.311036

Triangular Pyramid

Length = n
Surface area 1.8742535956195E+14
Volume 1.0612686291049E+21
Height 9807483.8452211