20809557 (number)

20809557 is an odd 8-digits composite number following 20809556 and preceding 20809558. In scientific notation, it is written as 2.0809557 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 13873032 positive integers (up to 20809557) that are relatively prime to 20809557.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand five hundred fifty-seven

Notation

Scientific notation 2.0809557 × 10^7
Engineering notation 2.0809557 × 10^6

Prime Factorization of 20809557

Prime Factorization 9 × 2312173

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20809557
Product of the distinct prime numbers

The prime factorization of 20809557 is 9 × 2312173. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20809557)

Multiplication

n×y
n×2 41619114
n×3 62428671
n×4 83238228
n×5 104047785

Division

n÷y
n÷2 10404778.5
n÷3 6936519
n÷3 5202389.25
n÷5 4161911.4

Exponentiation

ny
n2 433037662536249
n3 9.0113219216948E+21
n4 1.8752161717486E+29
n5 3.9022417813324E+36

Nth Root

y√n
2√n 4561.7493355072
3√n 275.05588726405
4√n 67.540723534081
5√n 29.083894927619

Divisors of 20809557

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20809556
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20809557 can be divided by 4 positive divisors. The sum of these divisors (counting 20809557) is 1, the average is 0.25.

Base conversion 20809557

Base System Value
2 Binary 1001111011000011101010101
3 Ternary 1110011020100100
4 Quaternary 1033120131111
5 Quinary 20311401212
6 Senary 2022004313
8 Octal 117303525
10 Decimal 20809557
12 Duodecimal 6b76699
16 Hexadecimal 13d8755
20 Vigesimal 6a13hh
36 Base36 ce0r9

Cryptographic Hash Functions

md5 c4a6d2fe42c6d904c0efcd0df2c16ee7
sha1 052ff5d8fab14c9e816fe52e2bcf2def24d7747d
sha256 823c830c8897edd57b64ec9754199efb30268709c255e83e446cbf1dc1a6212a
sha512 a17de4d518c91c079fb514cbbc4ea0416f5c61311780d9156cf96701d4300935e77d25939e74f414c4b815b23d885d4609add1671c5f6e058eec3521e601843b
ripemd-160 5d72c42274768d2d4bc5d1e6447f308b2f271310

20809557 as geometric shapes

Circle

Radius = n
Diameter 41619114
Circumference 130750302.79132
Area 1.3604279393516E+15

Sphere

Radius = n
Volume 3.7746536997772E+22
Surface area 5.4417117574063E+15
Circumference 130750302.79132

Square

Length = n
Perimeter 83238228
Area 433037662536249
Diagonal 29429157.736376

Cube

Length = n
Surface area 2598225975217494
Volume 9.0113219216948E+21
Space diagonal 36043210.007001

Equilateral Triangle

Length = n
Perimeter 62428671
Area 1.8751080827591E+14
Altitude 18021605.0035

Triangular Pyramid

Length = n
Surface area 1.8751080827591E+14
Volume 1.0619944730476E+21
Height 9809719.2454587