21293909 (number)

21293909 is an odd 8-digits composite number following 21293908 and preceding 21293910. In scientific notation, it is written as 2.1293909 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 16752960 positive integers (up to 21293909) that are relatively prime to 21293909.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-three thousand nine hundred nine

Notation

Scientific notation 2.1293909 × 10^7
Engineering notation 2.1293909 × 10^6

Prime Factorization of 21293909

Prime Factorization 7 × 13 × 211 × 1109

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21293909
Product of the distinct prime numbers

The prime factorization of 21293909 is 7 × 13 × 211 × 1109. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21293909)

Multiplication

n×y
n×2 42587818
n×3 63881727
n×4 85175636
n×5 106469545

Division

n÷y
n÷2 10646954.5
n÷3 7097969.6666667
n÷3 5323477.25
n÷5 4258781.8

Exponentiation

ny
n2 453430560500281
n3 9.655309093112E+21
n4 2.055992731956E+29
n5 4.3780122138932E+36

Nth Root

y√n
2√n 4614.5323706742
3√n 277.17355872775
4√n 67.930349407862
5√n 29.21803996319

Divisors of 21293909

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 -21293908
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 21293909 can be divided by 16 positive divisors. The sum of these divisors (counting 21293909) is 1, the average is 0.0625.

Base conversion 21293909

Base System Value
2 Binary 1010001001110101101010101
3 Ternary 1111001211202022
4 Quaternary 1101032231111
5 Quinary 20422401114
6 Senary 2040222525
8 Octal 121165525
10 Decimal 21293909
12 Duodecimal 716aa45
16 Hexadecimal 144eb55
20 Vigesimal 6d1ef9
36 Base36 coehh

Cryptographic Hash Functions

md5 524ed05c0d0052ee4322f712fb7bbf9f
sha1 cf375b0468232fec8d7cbd73139d951bb8775c09
sha256 c95c81926941d3baeff5a00f2ebd27dc8edeb961e2b75c7944bbc98c67b2ffa4
sha512 79c3592d2bdc2ca3645cc7c91895c4365755fcedf2d32771f9ff9a47d8c4b201e11a981e438c4a76c4cad8f22980f7894177d04022542c158ff478af6495292b
ripemd-160 1aeb82c7f4bc6531dc9470e3158e10aaf8425057

21293909 as geometric shapes

Circle

Radius = n
Diameter 42587818
Circumference 133793576.16122
Area 1.4244941177808E+15

Sphere

Radius = n
Volume 4.0444064153412E+22
Surface area 5.6979764711231E+15
Circumference 133793576.16122

Square

Length = n
Perimeter 85175636
Area 453430560500281
Diagonal 30114134.903739

Cube

Length = n
Surface area 2720583363001686
Volume 9.655309093112E+21
Space diagonal 36882132.279748

Equilateral Triangle

Length = n
Perimeter 63881727
Area 1.9634119212273E+14
Altitude 18441066.139874

Triangular Pyramid

Length = n
Surface area 1.9634119212273E+14
Volume 1.1378890890319E+21
Height 10038044.967913