20805535 (number)

20805535 is an odd 8-digits composite number following 20805534 and preceding 20805536. In scientific notation, it is written as 2.0805535 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 15552000 positive integers (up to 20805535) that are relatively prime to 20805535.

Interesting facts

Basic properties

Name

Name twenty million eight hundred five thousand five hundred thirty-five

Notation

Scientific notation 2.0805535 × 10^7
Engineering notation 2.0805535 × 10^6

Prime Factorization of 20805535

Prime Factorization 5 × 2567 × 1621

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20805535
Product of the distinct prime numbers

The prime factorization of 20805535 is 5 × 2567 × 1621. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20805535)

Multiplication

n×y
n×2 41611070
n×3 62416605
n×4 83222140
n×5 104027675

Division

n÷y
n÷2 10402767.5
n÷3 6935178.3333333
n÷3 5201383.75
n÷5 4161107

Exponentiation

ny
n2 432870286636225
n3 9.00609789907E+21
n4 1.8737668505253E+29
n5 3.8984721790443E+36

Nth Root

y√n
2√n 4561.3084745498
3√n 275.03816550191
4√n 67.537459787512
5√n 29.082770593546

Divisors of 20805535

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 -20805534
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 20805535 can be divided by 8 positive divisors. The sum of these divisors (counting 20805535) is 1, the average is 0.125.

Base conversion 20805535

Base System Value
2 Binary 1001111010111011110011111
3 Ternary 1110011000211101
4 Quaternary 1033113132133
5 Quinary 20311234120
6 Senary 2021533531
8 Octal 117273637
10 Decimal 20805535
12 Duodecimal 6b742a7
16 Hexadecimal 13d779f
20 Vigesimal 6a0dgf
36 Base36 cdxnj

Cryptographic Hash Functions

md5 b2fb4f336d2c2b21da56ae427bd7d517
sha1 89ac5e11fe799209e7a4975535cac109a56fd8ad
sha256 ac477b7b9b45408c8dadae2d6f03708f2724af5afe045f7f71c5b5f55e594cb4
sha512 145618a0462cec36a6eac2beae6e5b7b416bec00b143a284376ddb4b9303521e40bb929097e09c47bd671acb1ea9e3203a9bb568bf67862e7e8c801c02c1f0e4
ripemd-160 a3aad5e626f942ad173e634735c47f3c8a89a0ba

20805535 as geometric shapes

Circle

Radius = n
Diameter 41611070
Circumference 130725031.82001
Area 1.3599021124537E+15

Sphere

Radius = n
Volume 3.7724654662972E+22
Surface area 5.4396084498147E+15
Circumference 130725031.82001

Square

Length = n
Perimeter 83222140
Area 432870286636225
Diagonal 29423469.769428

Cube

Length = n
Surface area 2597221719817350
Volume 9.00609789907E+21
Space diagonal 36036243.698653

Equilateral Triangle

Length = n
Perimeter 62416605
Area 1.8743833238521E+14
Altitude 18018121.849326

Triangular Pyramid

Length = n
Surface area 1.8743833238521E+14
Volume 1.0613788160771E+21
Height 9807823.256476