21039765 (number)

21039765 is an odd 8-digits composite number following 21039764 and preceding 21039766. In scientific notation, it is written as 2.1039765 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 10947200 positive integers (up to 21039765) that are relatively prime to 21039765.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-nine thousand seven hundred sixty-five

Notation

Scientific notation 2.1039765 × 10^7
Engineering notation 2.1039765 × 10^6

Prime Factorization of 21039765

Prime Factorization 5 × 3 × 41 × 34211

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21039765
Product of the distinct prime numbers

The prime factorization of 21039765 is 5 × 3 × 41 × 34211. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21039765)

Multiplication

n×y
n×2 42079530
n×3 63119295
n×4 84159060
n×5 105198825

Division

n÷y
n÷2 10519882.5
n÷3 7013255
n÷3 5259941.25
n÷5 4207953

Exponentiation

ny
n2 442671711255225
n3 9.3137087769578E+21
n4 1.9595824394563E+29
n5 4.1229154024287E+36

Nth Root

y√n
2√n 4586.912360183
3√n 276.06644850413
4√n 67.726747745503
5√n 29.147960810714

Divisors of 21039765

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21039764
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21039765 can be divided by 16 positive divisors. The sum of these divisors (counting 21039765) is 1, the average is 0.0625.

Base conversion 21039765

Base System Value
2 Binary 1010000010000101010010101
3 Ternary 1110120221010120
4 Quaternary 1100100222111
5 Quinary 20341233030
6 Senary 2030542153
8 Octal 120205225
10 Decimal 21039765
12 Duodecimal 7067959
16 Hexadecimal 1410a95
20 Vigesimal 6b9j85
36 Base36 ciydx

Cryptographic Hash Functions

md5 fad1ac1de8a9066654a1a0b038642726
sha1 4dc054c8023c9f6bcdb300dc0220152adc256cf0
sha256 c704b9a01b648f60d096030fe9f139def44b3aa715004e872ece3aaf1b6fc1ab
sha512 6019455863e8e344e6c9107aa90b572533b18075bd74adadb53c0440cb7f1cca383227b4eef5b3b37991f2018c4a57954fbb951f6544f096bf728bb82c6ba254
ripemd-160 55bdfb3263344aa49b794befbf6f11402fc61d0c

21039765 as geometric shapes

Circle

Radius = n
Diameter 42079530
Circumference 132196742.31451
Area 1.3906941960314E+15

Sphere

Radius = n
Volume 3.9013172095154E+22
Surface area 5.5627767841257E+15
Circumference 132196742.31451

Square

Length = n
Perimeter 84159060
Area 442671711255225
Diagonal 29754721.012143

Cube

Length = n
Surface area 2656030267531350
Volume 9.3137087769578E+21
Space diagonal 36441941.959309

Equilateral Triangle

Length = n
Perimeter 63119295
Area 1.9168247374188E+14
Altitude 18220970.979655

Triangular Pyramid

Length = n
Surface area 1.9168247374188E+14
Volume 1.0976311056973E+21
Height 9918240.3373809