20656809 (number)

20656809 is an odd 8-digits composite number following 20656808 and preceding 20656810. In scientific notation, it is written as 2.0656809 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 13714128 positive integers (up to 20656809) that are relatively prime to 20656809.

Interesting facts

Basic properties

Name

Name twenty million six hundred fifty-six thousand eight hundred nine

Notation

Scientific notation 2.0656809 × 10^7
Engineering notation 2.0656809 × 10^6

Prime Factorization of 20656809

Prime Factorization 9 × 3 × 263 × 2909

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20656809
Product of the distinct prime numbers

The prime factorization of 20656809 is 9 × 3 × 263 × 2909. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 1, 97, 39, 338, 361, 6793, 9056, 4701, 34469, 797685, 857374, 5046874, 333600, 1031669, 16492045, 946482923, 694992427, 4442887559, 8145045149

Basic calculations (n = 20656809)

Multiplication

n×y
n×2 41313618
n×3 61970427
n×4 82627236
n×5 103284045

Division

n÷y
n÷2 10328404.5
n÷3 6885603
n÷3 5164202.25
n÷5 4131361.8

Exponentiation

ny
n2 426703758062481
n3 8.8143380298789E+21
n4 1.8207609714464E+29
n5 3.7611111621824E+36

Nth Root

y√n
2√n 4544.9762375616
3√n 274.38123800382
4√n 67.416438926731
5√n 29.041072216636

Divisors of 20656809

1, 3, 9, 27, 263, 789, 2367, 2909, 7101, 8727, 26181, 78543, 765067, 2295201, 6885603, 20656809

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 -20656808
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 20656809 can be divided by 16 positive divisors. The sum of these divisors (counting 20656809) is 1, the average is 0.0625.

Base conversion 20656809

Base System Value
2 Binary 1001110110011001010101001
3 Ternary 1102212110211000
4 Quaternary 1032303022221
5 Quinary 20242004214
6 Senary 2014425213
8 Octal 116631251
10 Decimal 20656809
12 Duodecimal 6b02209
16 Hexadecimal 13b32a9
20 Vigesimal 692209
36 Base36 caqw9

Cryptographic Hash Functions

md5 2c5e888efd9a9a9423b26e94035de46d
sha1 a86a46cd6f4e40deddbb07dee8900ec6a060f6e7
sha256 fdfaa6afc6a8c0a362bfc000d6ffda71096310d723a81fb7c5f417f1c753bfa6
sha512 4ad46ae2abfa584ce52eef4d9675e756a8029417c87e57d16c3bbb250ffe8a976b38a92efd83567b35f9b6f2307ee154a75da02c308f15570c4eac71b573d99a
ripemd-160 6e3cba513068369feec03f86a9dac0cd68e33b2f

20656809 as geometric shapes

Circle

Radius = n
Diameter 41313618
Circumference 129790558.80202
Area 1.3405293915882E+15

Sphere

Radius = n
Volume 3.6921412801233E+22
Surface area 5.362117566353E+15
Circumference 129790558.80202

Square

Length = n
Perimeter 82627236
Area 426703758062481
Diagonal 29213139.443151

Cube

Length = n
Surface area 2560222548374886
Volume 8.8143380298789E+21
Space diagonal 35778642.710246

Equilateral Triangle

Length = n
Perimeter 61970427
Area 1.847681471862E+14
Altitude 17889321.355123

Triangular Pyramid

Length = n
Surface area 1.847681471862E+14
Volume 1.0387796987663E+21
Height 9737713.1477169