20385639 (number)

20385639 is an odd 8-digits composite number following 20385638 and preceding 20385640. In scientific notation, it is written as 2.0385639 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 13300992 positive integers (up to 20385639) that are relatively prime to 20385639.

Interesting facts

Basic properties

Name

Name twenty million three hundred eighty-five thousand six hundred thirty-nine

Notation

Scientific notation 2.0385639 × 10^7
Engineering notation 2.0385639 × 10^6

Prime Factorization of 20385639

Prime Factorization 3 × 3 × 47 × 48193

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6795213
Product of the distinct prime numbers

The prime factorization of 20385639 is 3 × 3 × 47 × 48193. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20385639)

Multiplication

n×y
n×2 40771278
n×3 61156917
n×4 81542556
n×5 101928195

Division

n÷y
n÷2 10192819.5
n÷3 6795213
n÷3 5096409.75
n÷5 4077127.8

Exponentiation

ny
n2 415574277438321
n3 8.4717471975435E+21
n4 1.7270198006838E+29
n5 3.5206402202592E+36

Nth Root

y√n
2√n 4515.0458469433
3√n 273.1753090478
4√n 67.194090863284
5√n 28.964421966207

Divisors of 20385639

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20385638
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20385639 can be divided by 12 positive divisors. The sum of these divisors (counting 20385639) is 1, the average is 0.083333333333333.

Base conversion 20385639

Base System Value
2 Binary 1001101110000111101100111
3 Ternary 1102100200211200
4 Quaternary 1031300331213
5 Quinary 20204320024
6 Senary 2004533543
8 Octal 115607547
10 Decimal 20385639
12 Duodecimal 69b12b3
16 Hexadecimal 1370f67
20 Vigesimal 67841j
36 Base36 c4xnr

Cryptographic Hash Functions

md5 7621219eb7130f2be3be23b0db28da0c
sha1 8ea9c60d6f529821947a0a4f9421311700771f94
sha256 04715ff578d52a1555fc87e1ec79db54aa73abe636083bb139795910c814523d
sha512 fe1d982aa0df68eb2477ff07808e355221f61afecf1cec75612682787c78cc54160c9ae47398e1c280f6bd96af75109fedf614b922df52b7124c0393b91ff416
ripemd-160 0dd3f527e14a5df18c8258f19730b6a5fde45642

20385639 as geometric shapes

Circle

Radius = n
Diameter 40771278
Circumference 128086747.44227
Area 1.3055650970211E+15

Sphere

Radius = n
Volume 3.5486371678497E+22
Surface area 5.2222603880845E+15
Circumference 128086747.44227

Square

Length = n
Perimeter 81542556
Area 415574277438321
Diagonal 28829647.151442

Cube

Length = n
Surface area 2493445664629926
Volume 8.4717471975435E+21
Space diagonal 35308962.492758

Equilateral Triangle

Length = n
Perimeter 61156917
Area 1.7994894071047E+14
Altitude 17654481.246379

Triangular Pyramid

Length = n
Surface area 1.7994894071047E+14
Volume 9.9840498198018E+20
Height 9609882.383814