21453863 (number)

21453863 is an odd 8-digits composite number following 21453862 and preceding 21453864. In scientific notation, it is written as 2.1453863 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 21444480 positive integers (up to 21453863) that are relatively prime to 21453863.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred fifty-three thousand eight hundred sixty-three

Notation

Scientific notation 2.1453863 × 10^7
Engineering notation 2.1453863 × 10^6

Prime Factorization of 21453863

Prime Factorization 3943 × 5441

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21453863
Product of the distinct prime numbers

The prime factorization of 21453863 is 3943 × 5441. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21453863)

Multiplication

n×y
n×2 42907726
n×3 64361589
n×4 85815452
n×5 107269315

Division

n÷y
n÷2 10726931.5
n÷3 7151287.6666667
n÷3 5363465.75
n÷5 4290772.6

Exponentiation

ny
n2 460268237622769
n3 9.8745317132103E+21
n4 2.1184685056437E+29
n5 4.5449333089895E+36

Nth Root

y√n
2√n 4631.8314952079
3√n 277.86584542096
4√n 68.057560162027
5√n 29.261804241291

Divisors of 21453863

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 -21453862
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 21453863 can be divided by 4 positive divisors. The sum of these divisors (counting 21453863) is 1, the average is 0.25.

Base conversion 21453863

Base System Value
2 Binary 1010001110101110000100111
3 Ternary 1111100222011112
4 Quaternary 1101311300213
5 Quinary 20443010423
6 Senary 2043455235
8 Octal 121656047
10 Decimal 21453863
12 Duodecimal 722751b
16 Hexadecimal 1475c27
20 Vigesimal 6e1ed3
36 Base36 crtwn

Cryptographic Hash Functions

md5 e82e1bad26ee8ce81d715a4e6e946d89
sha1 9e94e0129073edfc3099935182320153615e4b23
sha256 00a508233465cf263935c886bb9372c9fa49d996ffa85eb5023c228608606345
sha512 1856a79be29a785de9ca90405adfc70a7d24c14a85600948c1dcd626dd2e45bcc6de4aaa1e767df74b73c3994b6c2170adb2f46f18c6b21073c5bca15001f779
ripemd-160 ec1de04a5cef5816f99c6178c526d2b4051f15bf

21453863 as geometric shapes

Circle

Radius = n
Diameter 42907726
Circumference 134798596.78384
Area 1.4459753139964E+15

Sphere

Radius = n
Volume 4.1362341717148E+22
Surface area 5.7839012559856E+15
Circumference 134798596.78384

Square

Length = n
Perimeter 85815452
Area 460268237622769
Diagonal 30340344.019894

Cube

Length = n
Surface area 2761609425736614
Volume 9.8745317132103E+21
Space diagonal 37159180.734622

Equilateral Triangle

Length = n
Perimeter 64361589
Area 1.9930199316821E+14
Altitude 18579590.367311

Triangular Pyramid

Length = n
Surface area 1.9930199316821E+14
Volume 1.1637247225754E+21
Height 10113448.006631