20421909 (number)

20421909 is an odd 8-digits composite number following 20421908 and preceding 20421910. In scientific notation, it is written as 2.0421909 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 16 positive divisors. There are 13540608 positive integers (up to 20421909) that are relatively prime to 20421909.

Interesting facts

Basic properties

Name

Name twenty million four hundred twenty-one thousand nine hundred nine

Notation

Scientific notation 2.0421909 × 10^7
Engineering notation 2.0421909 × 10^6

Prime Factorization of 20421909

Prime Factorization 3 × 3 × 3 × 193 × 3919

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2269101
Product of the distinct prime numbers

The prime factorization of 20421909 is 3 × 3 × 3 × 193 × 3919. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 2, 65, 79, 10, 276, 6229, 9170, 4782, 61991, 132246, 314181, 9937466, 861886, 37371328, 98714308, 148386323, 609541984, 1270406140, 1606675659

Basic calculations (n = 20421909)

Multiplication

n×y
n×2 40843818
n×3 61265727
n×4 81687636
n×5 102109545

Division

n÷y
n÷2 10210954.5
n÷3 6807303
n÷3 5105477.25
n÷5 4084381.8

Exponentiation

ny
n2 417054367204281
n3 8.5170463350984E+21
n4 1.7393434520416E+29
n5 3.552071369734E+36

Nth Root

y√n
2√n 4519.0606324766
3√n 273.33722365406
4√n 67.223958768259
5√n 28.974721302288

Divisors of 20421909

1, 3, 9, 27, 193, 579, 1737, 3919, 5211, 11757, 35271, 105813, 756367, 2269101, 6807303, 20421909

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20421908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20421909 can be divided by 16 positive divisors. The sum of these divisors (counting 20421909) is 1, the average is 0.0625.

Base conversion 20421909

Base System Value
2 Binary 1001101111001110100010101
3 Ternary 1102102112121000
4 Quaternary 1031321310111
5 Quinary 20212000114
6 Senary 2005413513
8 Octal 115716425
10 Decimal 20421909
12 Duodecimal 6a0a299
16 Hexadecimal 1379d15
20 Vigesimal 67cef9
36 Base36 c5pn9

Cryptographic Hash Functions

md5 8b7590a2dc5a9a4ad3da3c30a2bd6c83
sha1 a4b18a0b8b4931e98c7d98d502e063b76d5ba02f
sha256 2b9265fa144b820491a1358d690195b6ad218785af0166559ca756291ab99ef1
sha512 017ae9524ecc7bec62106bf7ccc3777667882d26f566f24b2e33b5e667782713e84a423ae08b735cfa251cd2f8515a5ad522dc8aae7392ad8f4e16c44135296d
ripemd-160 60a1c30849dfd2a25e95486331fbdd4f55f82d5e

20421909 as geometric shapes

Circle

Radius = n
Diameter 40843818
Circumference 128314638.57336
Area 1.3102149361565E+15

Sphere

Radius = n
Volume 3.5676120262172E+22
Surface area 5.240859744626E+15
Circumference 128314638.57336

Square

Length = n
Perimeter 81687636
Area 417054367204281
Diagonal 28880940.677349

Cube

Length = n
Surface area 2502326203225686
Volume 8.5170463350984E+21
Space diagonal 35371783.975548

Equilateral Triangle

Length = n
Perimeter 61265727
Area 1.8058983837908E+14
Altitude 17685891.987774

Triangular Pyramid

Length = n
Surface area 1.8058983837908E+14
Volume 1.003743536538E+21
Height 9626980.2257831