20421919 (number)

20421919 is an odd 8-digits composite number following 20421918 and preceding 20421920. In scientific notation, it is written as 2.0421919 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 17483256 positive integers (up to 20421919) that are relatively prime to 20421919.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0421919 × 10^7
Engineering notation 2.0421919 × 10^6

Prime Factorization of 20421919

Prime Factorization 7 × 1303 × 2239

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20421919
Product of the distinct prime numbers

The prime factorization of 20421919 is 7 × 1303 × 2239. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20421919)

Multiplication

n×y
n×2 40843838
n×3 61265757
n×4 81687676
n×5 102109595

Division

n÷y
n÷2 10210959.5
n÷3 6807306.3333333
n÷3 5105479.75
n÷5 4084383.8

Exponentiation

ny
n2 417054775642561
n3 8.5170588467356E+21
n4 1.7393468588627E+29
n5 3.5520800664598E+36

Nth Root

y√n
2√n 4519.0617389011
3√n 273.33726826908
4√n 67.22396699765
5√n 28.974724139899

Divisors of 20421919

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 -20421918
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 20421919 can be divided by 8 positive divisors. The sum of these divisors (counting 20421919) is 1, the average is 0.125.

Base conversion 20421919

Base System Value
2 Binary 1001101111001110100011111
3 Ternary 1102102112121101
4 Quaternary 1031321310133
5 Quinary 20212000134
6 Senary 2005413531
8 Octal 115716437
10 Decimal 20421919
12 Duodecimal 6a0a2a7
16 Hexadecimal 1379d1f
20 Vigesimal 67cefj
36 Base36 c5pnj

Cryptographic Hash Functions

md5 af29b91e77117eb1ee1b6472d5bee700
sha1 ba63497559133d24171f8a199c67eb0d6e39433c
sha256 ed5d5862283a68ec102e0024a3e4c91837bbd77395275a8bd4fb99676311fadb
sha512 f4c2de713a672c86129f46c357f0a5acadba641c369e68d8247afbe1b3ea705862579731de6da353c076b12beab2b1640586a8ec74d28fe8ca93bcf69f588553
ripemd-160 cffd0fda512a7766098512df852e556bbf4afa99

20421919 as geometric shapes

Circle

Radius = n
Diameter 40843838
Circumference 128314701.40521
Area 1.3102162193032E+15

Sphere

Radius = n
Volume 3.5676172670795E+22
Surface area 5.2408648772128E+15
Circumference 128314701.40521

Square

Length = n
Perimeter 81687676
Area 417054775642561
Diagonal 28880954.819485

Cube

Length = n
Surface area 2502328653855366
Volume 8.5170588467356E+21
Space diagonal 35371801.296056

Equilateral Triangle

Length = n
Perimeter 61265757
Area 1.8059001523804E+14
Altitude 17685900.648028

Triangular Pyramid

Length = n
Surface area 1.8059001523804E+14
Volume 1.0037450110486E+21
Height 9626984.9398283