20049809 (number)

20049809 is an odd 8-digits composite number following 20049808 and preceding 20049810. In scientific notation, it is written as 2.0049809 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 18473616 positive integers (up to 20049809) that are relatively prime to 20049809.

Interesting facts

Basic properties

Name

Name twenty million forty-nine thousand eight hundred nine

Notation

Scientific notation 2.0049809 × 10^7
Engineering notation 2.0049809 × 10^6

Prime Factorization of 20049809

Prime Factorization 13 × 739 × 2087

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20049809
Product of the distinct prime numbers

The prime factorization of 20049809 is 13 × 739 × 2087. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20049809)

Multiplication

n×y
n×2 40099618
n×3 60149427
n×4 80199236
n×5 100249045

Division

n÷y
n÷2 10024904.5
n÷3 6683269.6666667
n÷3 5012452.25
n÷5 4009961.8

Exponentiation

ny
n2 401994840936481
n3 8.0599197797618E+21
n4 1.6159985213955E+29
n5 3.2400461698262E+36

Nth Root

y√n
2√n 4477.7013075908
3√n 271.6669122325
4√n 66.915628276142
5√n 28.868355710436

Divisors of 20049809

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20049808
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20049809 can be divided by 8 positive divisors. The sum of these divisors (counting 20049809) is 1, the average is 0.125.

Base conversion 20049809

Base System Value
2 Binary 1001100011110111110010001
3 Ternary 1101201122011112
4 Quaternary 1030132332101
5 Quinary 20113043214
6 Senary 1553423105
8 Octal 114367621
10 Decimal 20049809
12 Duodecimal 686aa95
16 Hexadecimal 131ef91
20 Vigesimal 6564a9
36 Base36 bxqj5

Cryptographic Hash Functions

md5 f78eb3608af21de4fa86b4283dd92551
sha1 c345b47542ece8fa2c957ea56029ea7e4ee1bb9d
sha256 b48429241108a1330cf2cd829935b05e3c95393294b2e88cf5d6b462dc33f3e9
sha512 555dba2b76d0208fb1fdfe9f1ac730572bd07f0efbb7ec8578a4183a74067ca150caeb7ade95b144396b6980a13ef407d3c573f487315aabce3ba364b133a677
ripemd-160 43590dacb5bba7d4fc0b342d905e4383232da7e7

20049809 as geometric shapes

Circle

Radius = n
Diameter 40099618
Circumference 125976665.32056
Area 1.262904039067E+15

Sphere

Radius = n
Volume 3.376131302483E+22
Surface area 5.0516161562682E+15
Circumference 125976665.32056

Square

Length = n
Perimeter 80199236
Area 401994840936481
Diagonal 28354711.81079

Cube

Length = n
Surface area 2411969045618886
Volume 8.0599197797618E+21
Space diagonal 34727287.870052

Equilateral Triangle

Length = n
Perimeter 60149427
Area 1.7406887222064E+14
Altitude 17363643.935026

Triangular Pyramid

Length = n
Surface area 1.7406887222064E+14
Volume 9.498706553482E+20
Height 9451570.6035967