21043909 (number)

21043909 is an odd 8-digits composite number following 21043908 and preceding 21043910. In scientific notation, it is written as 2.1043909 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 19806016 positive integers (up to 21043909) that are relatively prime to 21043909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1043909 × 10^7
Engineering notation 2.1043909 × 10^6

Prime Factorization of 21043909

Prime Factorization 17 × 1237877

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21043909
Product of the distinct prime numbers

The prime factorization of 21043909 is 17 × 1237877. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21043909)

Multiplication

n×y
n×2 42087818
n×3 63131727
n×4 84175636
n×5 105219545

Division

n÷y
n÷2 10521954.5
n÷3 7014636.3333333
n÷3 5260977.25
n÷5 4208781.8

Exponentiation

ny
n2 442846106000281
n3 9.3192131556743E+21
n4 1.9611267359961E+29
n5 4.1269772569769E+36

Nth Root

y√n
2√n 4587.3640579313
3√n 276.08457203137
4√n 67.730082370622
5√n 29.149108918922

Divisors of 21043909

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 -21043908
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 21043909 can be divided by 4 positive divisors. The sum of these divisors (counting 21043909) is 1, the average is 0.25.

Base conversion 21043909

Base System Value
2 Binary 1010000010001101011000101
3 Ternary 1110121010211001
4 Quaternary 1100101223011
5 Quinary 20341401114
6 Senary 2031013301
8 Octal 120215305
10 Decimal 21043909
12 Duodecimal 706a231
16 Hexadecimal 1411ac5
20 Vigesimal 6ba9f9
36 Base36 cj1l1

Cryptographic Hash Functions

md5 dc41b1eddb0f59d72e1186fac724b640
sha1 d8f59972a5a515fcb2cb5e5c86e432bccaf56c9b
sha256 9eec8d64085b7f03248ef7fb1047f9f41668b749d9124e057a5b6814eab57273
sha512 a616e7050e145c62280e8239def8c825fd83eedcf87b42902a064d24e41feb97a10f69de13aa6d1341f8cda0a35b5ec3324a8b811a5b9ed904ca4b117b991944
ripemd-160 fdc53ab85a52985498c29753c5db5792e6be6f53

21043909 as geometric shapes

Circle

Radius = n
Diameter 42087818
Circumference 132222779.83442
Area 1.3912420732813E+15

Sphere

Radius = n
Volume 3.9036228782805E+22
Surface area 5.5649682931253E+15
Circumference 132222779.83442

Square

Length = n
Perimeter 84175636
Area 442846106000281
Diagonal 29760581.513145

Cube

Length = n
Surface area 2657076636001686
Volume 9.3192131556743E+21
Space diagonal 36449119.577856

Equilateral Triangle

Length = n
Perimeter 63131727
Area 1.9175798888163E+14
Altitude 18224559.788928

Triangular Pyramid

Length = n
Surface area 1.9175798888163E+14
Volume 1.09827980295E+21
Height 9920193.8377151