20421811 (number)

20421811 is an odd 8-digits composite number following 20421810 and preceding 20421812. In scientific notation, it is written as 2.0421811 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 19220512 positive integers (up to 20421811) that are relatively prime to 20421811.

Interesting facts

Basic properties

Name

Name twenty million four hundred twenty-one thousand eight hundred eleven

Notation

Scientific notation 2.0421811 × 10^7
Engineering notation 2.0421811 × 10^6

Prime Factorization of 20421811

Prime Factorization 17 × 1201283

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20421811
Product of the distinct prime numbers

The prime factorization of 20421811 is 17 × 1201283. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20421811)

Multiplication

n×y
n×2 40843622
n×3 61265433
n×4 81687244
n×5 102109055

Division

n÷y
n÷2 10210905.5
n÷3 6807270.3333333
n÷3 5105452.75
n÷5 4084362.2

Exponentiation

ny
n2 417050364519721
n3 8.5169237217028E+21
n4 1.7393100654603E+29
n5 3.5519861427228E+36

Nth Root

y√n
2√n 4519.0497895022
3√n 273.33678642607
4√n 67.223878120071
5√n 28.974693493643

Divisors of 20421811

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 -20421810
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 20421811 can be divided by 4 positive divisors. The sum of these divisors (counting 20421811) is 1, the average is 0.25.

Base conversion 20421811

Base System Value
2 Binary 1001101111001110010110011
3 Ternary 1102102112110101
4 Quaternary 1031321302303
5 Quinary 20211444221
6 Senary 2005413231
8 Octal 115716263
10 Decimal 20421811
12 Duodecimal 6a0a217
16 Hexadecimal 1379cb3
20 Vigesimal 67ceab
36 Base36 c5pkj

Cryptographic Hash Functions

md5 ac17f4c8769736438a3fb04f9b4a89fd
sha1 d34c011d157188d2146132063560f9dbf4e53ed3
sha256 5dad9453fc04d58db9eed1f3165008a8892972c8228fc32f95f16479acde1890
sha512 f1983098ca3e3cf01eae153b31ee32adfa34daa52fcb259be7240a76a79b5383220e744e2c84633c1c03709ef26c7a505119c2ad6624fa663fda33198c55d4bd
ripemd-160 81a46acbfe1f66bbe400fa65a2e7f2a769118acb

20421811 as geometric shapes

Circle

Radius = n
Diameter 40843622
Circumference 128314022.8212
Area 1.3102023613521E+15

Sphere

Radius = n
Volume 3.5675606660382E+22
Surface area 5.2408094454084E+15
Circumference 128314022.8212

Square

Length = n
Perimeter 81687244
Area 417050364519721
Diagonal 28880802.08442

Cube

Length = n
Surface area 2502302187118326
Volume 8.5169237217028E+21
Space diagonal 35371614.234569

Equilateral Triangle

Length = n
Perimeter 61265433
Area 1.8058810516582E+14
Altitude 17685807.117284

Triangular Pyramid

Length = n
Surface area 1.8058810516582E+14
Volume 1.0037290864108E+21
Height 9626934.02814