20421906 (number)

20421906 is an even 8-digits composite number following 20421905 and preceding 20421907. In scientific notation, it is written as 2.0421906 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 6691808 positive integers (up to 20421906) that are relatively prime to 20421906.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0421906 × 10^7
Engineering notation 2.0421906 × 10^6

Prime Factorization of 20421906

Prime Factorization 2 × 3 × 59 × 57689

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20421906
Product of the distinct prime numbers

The prime factorization of 20421906 is 2 × 3 × 59 × 57689. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 5, 22, 65, 535, 381, 3208, 6803, 96825, 5340, 386798, 251625, 765707, 897791, 53299294, 45904668, 964252341, 146149871, 5846507710, 4474653237

Basic calculations (n = 20421906)

Multiplication

n×y
n×2 40843812
n×3 61265718
n×4 81687624
n×5 102109530

Division

n÷y
n÷2 10210953
n÷3 6807302
n÷3 5105476.5
n÷5 4084381.2

Exponentiation

ny
n2 417054244672836
n3 8.5170425816097E+21
n4 1.7393424299963E+29
n5 3.5520687607196E+36

Nth Root

y√n
2√n 4519.0603005492
3√n 273.33721026955
4√n 67.223956299441
5√n 28.974720451005

Divisors of 20421906

1, 2, 3, 6, 59, 118, 177, 354, 57689, 115378, 173067, 346134, 3403651, 6807302, 10210953, 20421906

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 -20421905
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 20421906 can be divided by 16 positive divisors. The sum of these divisors (counting 20421906) is 1, the average is 0.0625.

Base conversion 20421906

Base System Value
2 Binary 1001101111001110100010010
3 Ternary 1102102112120220
4 Quaternary 1031321310102
5 Quinary 20212000111
6 Senary 2005413510
8 Octal 115716422
10 Decimal 20421906
12 Duodecimal 6a0a296
16 Hexadecimal 1379d12
20 Vigesimal 67cef6
36 Base36 c5pn6

Cryptographic Hash Functions

md5 49139668222cfd659ae929ab55120311
sha1 86567dba53549b6ee5df4fdf8176b72b958b74bf
sha256 b8b9bc7c623f1d8ac60470bf908f06eae97ad79dce8aa38ca0fc88e90d77bec1
sha512 6bddfe1674909fbc168db93952a78e28bf956611ba225258e263fcbdf1f6922a24268abedf2dd699ef280d97221c529ae13ff081a260da87cdaa810775bfd8d2
ripemd-160 36f7431f9f499c0cb4c6bc99de863e83c77b7156

20421906 as geometric shapes

Circle

Radius = n
Diameter 40843812
Circumference 128314619.7238
Area 1.3102145512126E+15

Sphere

Radius = n
Volume 3.5676104539595E+22
Surface area 5.2408582048505E+15
Circumference 128314619.7238

Square

Length = n
Perimeter 81687624
Area 417054244672836
Diagonal 28880936.434708

Cube

Length = n
Surface area 2502325468037016
Volume 8.5170425816097E+21
Space diagonal 35371778.779396

Equilateral Triangle

Length = n
Perimeter 61265718
Area 1.805897853214E+14
Altitude 17685889.389698

Triangular Pyramid

Length = n
Surface area 1.805897853214E+14
Volume 1.0037430941851E+21
Height 9626978.8115695