20421851 (number)

20421851 is an odd 8-digits composite number following 20421850 and preceding 20421852. In scientific notation, it is written as 2.0421851 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 20192304 positive integers (up to 20421851) that are relatively prime to 20421851.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0421851 × 10^7
Engineering notation 2.0421851 × 10^6

Prime Factorization of 20421851

Prime Factorization 89 × 229459

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20421851
Product of the distinct prime numbers

The prime factorization of 20421851 is 89 × 229459. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20421851)

Multiplication

n×y
n×2 40843702
n×3 61265553
n×4 81687404
n×5 102109255

Division

n÷y
n÷2 10210925.5
n÷3 6807283.6666667
n÷3 5105462.75
n÷5 4084370.2

Exponentiation

ny
n2 417051998266201
n3 8.5169737678446E+21
n4 1.7393236925783E+29
n5 3.5520209290604E+36

Nth Root

y√n
2√n 4519.0542152092
3√n 273.33696488664
4√n 67.223911037734
5√n 28.974704844123

Divisors of 20421851

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 -20421850
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 20421851 can be divided by 4 positive divisors. The sum of these divisors (counting 20421851) is 1, the average is 0.25.

Base conversion 20421851

Base System Value
2 Binary 1001101111001110011011011
3 Ternary 1102102112111212
4 Quaternary 1031321303123
5 Quinary 20211444401
6 Senary 2005413335
8 Octal 115716333
10 Decimal 20421851
12 Duodecimal 6a0a24b
16 Hexadecimal 1379cdb
20 Vigesimal 67cecb
36 Base36 c5pln

Cryptographic Hash Functions

md5 e9ea57dfb5791c970210f6699eb2db75
sha1 67a238e6bee12aa869c4da37d4b8901f8f444fee
sha256 7ef5c1507d66257cdf2c3a1a517df8cb9cab8f9f593ad4e556d720cd9f5fb07a
sha512 aba90be01480ff1521a3cd4104768a2b2c62193506490d8267a244c8c797d8449bb699284cd5ddb35250d12de99227a157c7865810b66f7555fde952c60181f4
ripemd-160 1e83b61e11fe0ff2e97e5ef7e16125e51f45467e

20421851 as geometric shapes

Circle

Radius = n
Diameter 40843702
Circumference 128314274.14861
Area 1.310207493918E+15

Sphere

Radius = n
Volume 3.567581629317E+22
Surface area 5.2408299756722E+15
Circumference 128314274.14861

Square

Length = n
Perimeter 81687404
Area 417051998266201
Diagonal 28880858.652963

Cube

Length = n
Surface area 2502311989597206
Volume 8.5169737678446E+21
Space diagonal 35371683.516601

Equilateral Triangle

Length = n
Perimeter 61265553
Area 1.805888125988E+14
Altitude 17685841.758301

Triangular Pyramid

Length = n
Surface area 1.805888125988E+14
Volume 1.0037349844051E+21
Height 9626952.8843209