20421837 (number)

20421837 is an odd 8-digits composite number following 20421836 and preceding 20421838. In scientific notation, it is written as 2.0421837 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 13594560 positive integers (up to 20421837) that are relatively prime to 20421837.

Interesting facts

Basic properties

Name

Name twenty million four hundred twenty-one thousand eight hundred thirty-seven

Notation

Scientific notation 2.0421837 × 10^7
Engineering notation 2.0421837 × 10^6

Prime Factorization of 20421837

Prime Factorization 9 × 953 × 2381

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20421837
Product of the distinct prime numbers

The prime factorization of 20421837 is 9 × 953 × 2381. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20421837)

Multiplication

n×y
n×2 40843674
n×3 61265511
n×4 81687348
n×5 102109185

Division

n÷y
n÷2 10210918.5
n÷3 6807279
n÷3 5105459.25
n÷5 4084367.4

Exponentiation

ny
n2 417051426454569
n3 8.5169562516727E+21
n4 1.7393189230779E+29
n5 3.5520087538113E+36

Nth Root

y√n
2√n 4519.0526662122
3√n 273.33690242547
4√n 67.223899516558
5√n 28.974700871457

Divisors of 20421837

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 -20421836
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 20421837 can be divided by 8 positive divisors. The sum of these divisors (counting 20421837) is 1, the average is 0.125.

Base conversion 20421837

Base System Value
2 Binary 1001101111001110011001101
3 Ternary 1102102112111100
4 Quaternary 1031321303031
5 Quinary 20211444322
6 Senary 2005413313
8 Octal 115716315
10 Decimal 20421837
12 Duodecimal 6a0a239
16 Hexadecimal 1379ccd
20 Vigesimal 67cebh
36 Base36 c5pl9

Cryptographic Hash Functions

md5 0328764f6d1370639e3363f8e8375bf3
sha1 6c322e41c42f8d6f76dfd0bfa6257b7c2608837f
sha256 cc27612239a0ccf769003e26ced01d0b0fb8db70e97e9f5a2d2e38c3508fd713
sha512 77e408b2e28ef714d526fa56ad761be522a1e922a2742414369a9668c080b097ce27423a7928954426efc1a3424d1c7c1b6c559e19a28609596d9731866076b5
ripemd-160 7fdd0b1d404b981eb069e13e053db7128db305d5

20421837 as geometric shapes

Circle

Radius = n
Diameter 40843674
Circumference 128314186.18402
Area 1.3102056975188E+15

Sphere

Radius = n
Volume 3.5675742921601E+22
Surface area 5.2408227900753E+15
Circumference 128314186.18402

Square

Length = n
Perimeter 81687348
Area 417051426454569
Diagonal 28880838.853973

Cube

Length = n
Surface area 2502308558727414
Volume 8.5169562516727E+21
Space diagonal 35371659.26789

Equilateral Triangle

Length = n
Perimeter 61265511
Area 1.805885649971E+14
Altitude 17685829.633945

Triangular Pyramid

Length = n
Surface area 1.805885649971E+14
Volume 1.0037329201045E+21
Height 9626946.2846576