20809738 (number)

20809738 is an even 8-digits composite number following 20809737 and preceding 20809739. In scientific notation, it is written as 2.0809738 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 10404868 positive integers (up to 20809738) that are relatively prime to 20809738.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand seven hundred thirty-eight

Notation

Scientific notation 2.0809738 × 10^7
Engineering notation 2.0809738 × 10^6

Prime Factorization of 20809738

Prime Factorization 2 × 10404869

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20809738
Product of the distinct prime numbers

The prime factorization of 20809738 is 2 × 10404869. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20809738)

Multiplication

n×y
n×2 41619476
n×3 62429214
n×4 83238952
n×5 104048690

Division

n÷y
n÷2 10404869
n÷3 6936579.3333333
n÷3 5202434.5
n÷5 4161947.6

Exponentiation

ny
n2 433045195628644
n3 9.0115570631908E+21
n4 1.8752814145705E+29
n5 3.9024114913482E+36

Nth Root

y√n
2√n 4561.7691743445
3√n 275.05668473372
4√n 67.540870399666
5√n 29.08394552136

Divisors of 20809738

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 -20809737
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 20809738 can be divided by 4 positive divisors. The sum of these divisors (counting 20809738) is 1, the average is 0.25.

Base conversion 20809738

Base System Value
2 Binary 1001111011000100000001010
3 Ternary 1110011020121001
4 Quaternary 1033120200022
5 Quinary 20311402423
6 Senary 2022005214
8 Octal 117304012
10 Decimal 20809738
12 Duodecimal 6b7680a
16 Hexadecimal 13d880a
20 Vigesimal 6a146i
36 Base36 ce0wa

Cryptographic Hash Functions

md5 f417aa8c1ff163e88706974c1da49e38
sha1 5e754f1a42bb8c8098e069f78abde4ef374c9210
sha256 c4082321c3cf205b96349fa0016a41f830c85e03093701ae4343562f7d4b0f88
sha512 8a740a160ac529544f10c8ade085c900573b52c8e641e7d82cc7a45dcf93beeee58537035b131ecc162b98108bd6f5b5aa521659c2fa0ed30051b58d911827b5
ripemd-160 755a4d3be721ff1f8890d56ff305bd552ee18356

20809738 as geometric shapes

Circle

Radius = n
Diameter 41619476
Circumference 130751440.04786
Area 1.3604516052593E+15

Sphere

Radius = n
Volume 3.7747521956167E+22
Surface area 5.4418064210372E+15
Circumference 130751440.04786

Square

Length = n
Perimeter 83238952
Area 433045195628644
Diagonal 29429413.709031

Cube

Length = n
Surface area 2598271173771864
Volume 9.0115570631908E+21
Space diagonal 36043523.508197

Equilateral Triangle

Length = n
Perimeter 62429214
Area 1.875140702006E+14
Altitude 18021761.754098

Triangular Pyramid

Length = n
Surface area 1.875140702006E+14
Volume 1.0620221847386E+21
Height 9809804.5696769