21241909 (number)

21241909 is an odd 8-digits composite number following 21241908 and preceding 21241910. In scientific notation, it is written as 2.1241909 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 19607904 positive integers (up to 21241909) that are relatively prime to 21241909.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-one thousand nine hundred nine

Notation

Scientific notation 2.1241909 × 10^7
Engineering notation 2.1241909 × 10^6

Prime Factorization of 21241909

Prime Factorization 13 × 1633993

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21241909
Product of the distinct prime numbers

The prime factorization of 21241909 is 13 × 1633993. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21241909)

Multiplication

n×y
n×2 42483818
n×3 63725727
n×4 84967636
n×5 106209545

Division

n÷y
n÷2 10620954.5
n÷3 7080636.3333333
n÷3 5310477.25
n÷5 4248381.8

Exponentiation

ny
n2 451218697964281
n3 9.5847465212557E+21
n4 2.0359831339258E+29
n5 4.3248168456387E+36

Nth Root

y√n
2√n 4608.894552927
3√n 276.94775435554
4√n 67.88883967875
5√n 29.203755837588

Divisors of 21241909

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 -21241908
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 21241909 can be divided by 4 positive divisors. The sum of these divisors (counting 21241909) is 1, the average is 0.25.

Base conversion 21241909

Base System Value
2 Binary 1010001000010000000110101
3 Ternary 1110222012102101
4 Quaternary 1101002000311
5 Quinary 20414220114
6 Senary 2035142101
8 Octal 121020065
10 Decimal 21241909
12 Duodecimal 7144931
16 Hexadecimal 1442035
20 Vigesimal 6cf4f9
36 Base36 cnad1

Cryptographic Hash Functions

md5 319f8e9135d42a8a94769fd1d9a876d1
sha1 4ca39529df512d704b83c9962c3b3082c3c5008a
sha256 768408d7c72ca917485465d3d1e1f6964b173d71bd28f5cf2237f27dc0279240
sha512 b9f4c17abe3cc386b4f7aee72cd4e43817fc9f48550761450fe989d046670cedeed148e4d02ab556b385ecbc59fca4cff986817929fe1c0790d0dc7629f05c59
ripemd-160 4d225e322fbb01abb032554b919e7e8fe3460759

21241909 as geometric shapes

Circle

Radius = n
Diameter 42483818
Circumference 133466850.52525
Area 1.4175453466869E+15

Sphere

Radius = n
Volume 4.0148492343596E+22
Surface area 5.6701813867477E+15
Circumference 133466850.52525

Square

Length = n
Perimeter 84967636
Area 451218697964281
Diagonal 30040595.798495

Cube

Length = n
Surface area 2707312187785686
Volume 9.5847465212557E+21
Space diagonal 36792065.637755

Equilateral Triangle

Length = n
Perimeter 63725727
Area 1.953834275498E+14
Altitude 18396032.818877

Triangular Pyramid

Length = n
Surface area 1.953834275498E+14
Volume 1.129573210189E+21
Height 10013531.932832