21087543 (number)

21087543 is an odd 8-digits composite number following 21087542 and preceding 21087544. In scientific notation, it is written as 2.1087543 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 14058360 positive integers (up to 21087543) that are relatively prime to 21087543.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1087543 × 10^7
Engineering notation 2.1087543 × 10^6

Prime Factorization of 21087543

Prime Factorization 3 × 7029181

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21087543
Product of the distinct prime numbers

The prime factorization of 21087543 is 3 × 7029181. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21087543)

Multiplication

n×y
n×2 42175086
n×3 63262629
n×4 84350172
n×5 105437715

Division

n÷y
n÷2 10543771.5
n÷3 7029181
n÷3 5271885.75
n÷5 4217508.6

Exponentiation

ny
n2 444684469776849
n3 9.3773028778515E+21
n4 1.9774427766072E+29
n5 4.1699409581743E+36

Nth Root

y√n
2√n 4592.1174854309
3√n 276.27525836628
4√n 67.765164247059
5√n 29.161186890128

Divisors of 21087543

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 -21087542
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 21087543 can be divided by 4 positive divisors. The sum of these divisors (counting 21087543) is 1, the average is 0.25.

Base conversion 21087543

Base System Value
2 Binary 1010000011100010100110111
3 Ternary 1110200100200010
4 Quaternary 1100130110313
5 Quinary 20344300133
6 Senary 2031551303
8 Octal 120342467
10 Decimal 21087543
12 Duodecimal 708b533
16 Hexadecimal 141c537
20 Vigesimal 6bfih3
36 Base36 cjz93

Cryptographic Hash Functions

md5 e71b46d8330405f235ed486f505ec886
sha1 411309b73312e0a3119cf951718ce467a93e6027
sha256 a8275ca31a3b3360fb9167e1ab5ed43eabdd725aa8ee41f1052ceeb7a27d828d
sha512 8007bc46152cdfa9930aec9c4a64904503e1fb6361a40bd260d18f530faba2b5cf872d7fe74062e8f0ef1c275f480333b90dd110b9953f775fdceb2febff51e7
ripemd-160 fb1b6fe5089adce689be733c2f9f8e166ff19b8a

21087543 as geometric shapes

Circle

Radius = n
Diameter 42175086
Circumference 132496940.34212
Area 1.3970174634164E+15

Sphere

Radius = n
Volume 3.927955444206E+22
Surface area 5.5880698536657E+15
Circumference 132496940.34212

Square

Length = n
Perimeter 84350172
Area 444684469776849
Diagonal 29822289.307726

Cube

Length = n
Surface area 2668106818661094
Volume 9.3773028778515E+21
Space diagonal 36524695.882793

Equilateral Triangle

Length = n
Perimeter 63262629
Area 1.9255402374758E+14
Altitude 18262347.941397

Triangular Pyramid

Length = n
Surface area 1.9255402374758E+14
Volume 1.1051257423615E+21
Height 9940763.1025753