20505969 (number)

20505969 is an odd 8-digits composite number following 20505968 and preceding 20505970. In scientific notation, it is written as 2.0505969 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 12136320 positive integers (up to 20505969) that are relatively prime to 20505969.

Interesting facts

Basic properties

Name

Name twenty million five hundred five thousand nine hundred sixty-nine

Notation

Scientific notation 2.0505969 × 10^7
Engineering notation 2.0505969 × 10^6

Prime Factorization of 20505969

Prime Factorization 9 × 43 × 11 × 4817

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20505969
Product of the distinct prime numbers

The prime factorization of 20505969 is 9 × 43 × 11 × 4817. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 8, 24, 518, 743, 6393, 4192, 35153, 77477, 635457, 62098, 6132962, 5782728, 9360057, 51441629, 738238058, 544186403, 8472268976, 2876844132

Basic calculations (n = 20505969)

Multiplication

n×y
n×2 41011938
n×3 61517907
n×4 82023876
n×5 102529845

Division

n÷y
n÷2 10252984.5
n÷3 6835323
n÷3 5126492.25
n÷5 4101193.8

Exponentiation

ny
n2 420494764628961
n3 8.6226526081438E+21
n4 1.7681584708037E+29
n5 3.6257802789387E+36

Nth Root

y√n
2√n 4528.3516868724
3√n 273.71174420061
4√n 67.293028516128
5√n 28.998535087652

Divisors of 20505969

1, 9, 11, 43, 99, 387, 473, 4257, 4817, 43353, 52987, 207131, 476883, 1864179, 2278441, 20505969

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 -20505968
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 20505969 can be divided by 16 positive divisors. The sum of these divisors (counting 20505969) is 1, the average is 0.0625.

Base conversion 20505969

Base System Value
2 Binary 1001110001110010101110001
3 Ternary 1102120210220100
4 Quaternary 1032032111301
5 Quinary 20222142334
6 Senary 2011303013
8 Octal 116162561
10 Decimal 20505969
12 Duodecimal 6a4aa69
16 Hexadecimal 138e571
20 Vigesimal 6834i9
36 Base36 c7ii9

Cryptographic Hash Functions

md5 e3ce5aff14fb38b4d4422402cfe5d82f
sha1 118f3e01222d23b5624a7f9d54d80c9c09e50311
sha256 e617d4953e2a4a8d32bbc6deda399fc27773d3725852d1a412508c3142435b88
sha512 df5df658b86adade5b9e9d9d0fa99eb67fc2ac311afdd5a9f388665051f84fae94b6c1e2f45be475d54195dcaccc1da3f6a6e88167e3cdb539c47f88a7d7e3bc
ripemd-160 38e70dec9ff926d97de3e5bb42b30dff34efca83

20505969 as geometric shapes

Circle

Radius = n
Diameter 41011938
Circumference 128842803.13028
Area 1.3210232634313E+15

Sphere

Radius = n
Volume 3.6118482784268E+22
Surface area 5.2840930537253E+15
Circumference 128842803.13028

Square

Length = n
Perimeter 82023876
Area 420494764628961
Diagonal 28999819.469402

Cube

Length = n
Surface area 2522968587773766
Volume 8.6226526081438E+21
Space diagonal 35517380.166432

Equilateral Triangle

Length = n
Perimeter 61517907
Area 1.8207957416352E+14
Altitude 17758690.083216

Triangular Pyramid

Length = n
Surface area 1.8207957416352E+14
Volume 1.0161893551724E+21
Height 9666606.4898008