21543744 (number)

21543744 is an even 8-digits composite number following 21543743 and preceding 21543745. In scientific notation, it is written as 2.1543744 × 10^7. The sum of its digits is 30. It has a total of 8 prime factors and 28 positive divisors. There are 7181184 positive integers (up to 21543744) that are relatively prime to 21543744.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred forty-three thousand seven hundred forty-four

Notation

Scientific notation 2.1543744 × 10^7
Engineering notation 2.1543744 × 10^6

Prime Factorization of 21543744

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 112207

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 673242
Product of the distinct prime numbers

The prime factorization of 21543744 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 112207. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21543744)

Multiplication

n×y
n×2 43087488
n×3 64631232
n×4 86174976
n×5 107718720

Division

n÷y
n÷2 10771872
n÷3 7181248
n÷3 5385936
n÷5 4308748.8

Exponentiation

ny
n2 464132905537536
n3 9.9991604988769E+21
n4 2.1541935400272E+29
n5 4.6409394152799E+36

Nth Root

y√n
2√n 4641.5238876903
3√n 278.25334461082
4√n 68.128730266242
5√n 29.286281733137

Divisors of 21543744

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21543743
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21543744 can be divided by 28 positive divisors. The sum of these divisors (counting 21543744) is 1, the average is 0.035714285714286.

Base conversion 21543744

Base System Value
2 Binary 1010010001011101101000000
3 Ternary 1111112112110110
4 Quaternary 1102023231000
5 Quinary 21003344434
6 Senary 2045431320
8 Octal 122135500
10 Decimal 21543744
12 Duodecimal 726b540
16 Hexadecimal 148bb40
20 Vigesimal 6ecj74
36 Base36 ctr9c

Cryptographic Hash Functions

md5 b7a4b3938f90c0a097cf469a0a9bf2ef
sha1 1a3c03cee2986fbf2f7aee7970e4a4e4a47f358d
sha256 30711bc1da7cade59750c563e4ea3d51722385397883ee1ebc19438cc6db05fe
sha512 7a9c32e143aa22e447d1de3f52ee7a8e2d5fa9d2bd23ea3689015a611f878ff8087649fb64193367d4011b17ec199d5842523ebfbbe4cfc594819b009bdc2bd7
ripemd-160 e454bd89987c5b7ac37c53a4ca57247adf19bb48

21543744 as geometric shapes

Circle

Radius = n
Diameter 43087488
Circumference 135363335.76244
Area 1.458116526326E+15

Sphere

Radius = n
Volume 4.1884385553782E+22
Surface area 5.832466105304E+15
Circumference 135363335.76244

Square

Length = n
Perimeter 86174976
Area 464132905537536
Diagonal 30467454.949094

Cube

Length = n
Surface area 2784797433225216
Volume 9.9991604988769E+21
Space diagonal 37314859.193257

Equilateral Triangle

Length = n
Perimeter 64631232
Area 2.0097544346389E+14
Altitude 18657429.596629

Triangular Pyramid

Length = n
Surface area 2.0097544346389E+14
Volume 1.1784123658214E+21
Height 10155818.316365