20011809 (number)

20011809 is an odd 8-digits composite number following 20011808 and preceding 20011810. In scientific notation, it is written as 2.0011809 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 13341204 positive integers (up to 20011809) that are relatively prime to 20011809.

Interesting facts

Basic properties

Name

Name twenty million eleven thousand eight hundred nine

Notation

Scientific notation 2.0011809 × 10^7
Engineering notation 2.0011809 × 10^6

Prime Factorization of 20011809

Prime Factorization 3 × 6670603

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20011809
Product of the distinct prime numbers

The prime factorization of 20011809 is 3 × 6670603. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20011809)

Multiplication

n×y
n×2 40023618
n×3 60035427
n×4 80047236
n×5 100059045

Division

n÷y
n÷2 10005904.5
n÷3 6670603
n÷3 5002952.25
n÷5 4002361.8

Exponentiation

ny
n2 400472499452481
n3 8.0141791687957E+21
n4 1.6037822281772E+29
n5 3.2094583627876E+36

Nth Root

y√n
2√n 4473.4560465036
3√n 271.49517541088
4√n 66.883899755499
5√n 28.857404682315

Divisors of 20011809

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 -20011808
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 20011809 can be divided by 4 positive divisors. The sum of these divisors (counting 20011809) is 1, the average is 0.25.

Base conversion 20011809

Base System Value
2 Binary 1001100010101101100100001
3 Ternary 1101122201001010
4 Quaternary 1030111230201
5 Quinary 20110334214
6 Senary 1552531133
8 Octal 114255441
10 Decimal 20011809
12 Duodecimal 6850aa9
16 Hexadecimal 1315b21
20 Vigesimal 6519a9
36 Base36 bwx7l

Cryptographic Hash Functions

md5 ebe199f65a66442b4354787f5e40525a
sha1 fd1702b35dcbf200b2ee89e3aeacb38b55f4037d
sha256 1f2b146943e85b14e425ae1cb6b5e7c103e3b9fa9b627ca645800a40e0a5c8b9
sha512 6aa51fa024cd7047c09910c9aa1f1d1b9c09beac65e910b9badc9fbb2335e29a12cfe922a55af026b7ed0fcff30c86b6596a683a6266f49621ce3eb9a376e585
ripemd-160 d09da5a44c3ba5a66100d5fac53b7807b9ee1f44

20011809 as geometric shapes

Circle

Radius = n
Diameter 40023618
Circumference 125737904.27888
Area 1.2581214622447E+15

Sphere

Radius = n
Volume 3.3569715201654E+22
Surface area 5.0324858489786E+15
Circumference 125737904.27888

Square

Length = n
Perimeter 80047236
Area 400472499452481
Diagonal 28300971.69542

Cube

Length = n
Surface area 2402834996714886
Volume 8.0141791687957E+21
Space diagonal 34661469.939364

Equilateral Triangle

Length = n
Perimeter 60035427
Area 1.7340967902145E+14
Altitude 17330734.969682

Triangular Pyramid

Length = n
Surface area 1.7340967902145E+14
Volume 9.444800726499E+20
Height 9433657.2318067