21087534 (number)

21087534 is an even 8-digits composite number following 21087533 and preceding 21087535. In scientific notation, it is written as 2.1087534 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 6364800 positive integers (up to 21087534) that are relatively prime to 21087534.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-seven thousand five hundred thirty-four

Notation

Scientific notation 2.1087534 × 10^7
Engineering notation 2.1087534 × 10^6

Prime Factorization of 21087534

Prime Factorization 2 × 3 × 13 × 53 × 5101

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21087534
Product of the distinct prime numbers

The prime factorization of 21087534 is 2 × 3 × 13 × 53 × 5101. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 10, 46, 26, 183, 49, 7821, 4050, 17956, 15783, 264586, 558894, 5611950, 2081508, 94745688, 28870733, 513839082, 23983267, 4303082362, 5724578120

Basic calculations (n = 21087534)

Multiplication

n×y
n×2 42175068
n×3 63262602
n×4 84350136
n×5 105437670

Division

n÷y
n÷2 10543767
n÷3 7029178
n÷3 5271883.5
n÷5 4217506.8

Exponentiation

ny
n2 444684090201156
n3 9.3772908713759E+21
n4 1.9774394007803E+29
n5 4.1699320596894E+36

Nth Root

y√n
2√n 4592.1165054907
3√n 276.27521906223
4√n 67.765157016646
5√n 29.161184400973

Divisors of 21087534

1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 5101, 10202, 15303, 30606, 66313, 132626, 198939, 270353, 397878, 540706, 811059, 1622118, 3514589, 7029178, 10543767, 21087534

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21087533
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21087534 can be divided by 32 positive divisors. The sum of these divisors (counting 21087534) is 1, the average is 0.03125.

Base conversion 21087534

Base System Value
2 Binary 1010000011100010100101110
3 Ternary 1110200100122210
4 Quaternary 1100130110232
5 Quinary 20344300114
6 Senary 2031551250
8 Octal 120342456
10 Decimal 21087534
12 Duodecimal 708b526
16 Hexadecimal 141c52e
20 Vigesimal 6bfige
36 Base36 cjz8u

Cryptographic Hash Functions

md5 41c4e02c40f4a41f1a63d5ba6022a673
sha1 572f9a8694ccf077eb3fff9aa317121ece3a5104
sha256 40639ed0c56daeda887cb8c062da94424f43d90c7008bcb2fba5c643d891f7ee
sha512 966d36576fa9241c8d40b56a01ca5929aa32def471f4cb5d359b032264a357c16ee8f2d3c0d322b638cd533044ea5f29fbd72369a2b0784bd040481823fe8907
ripemd-160 8407c5a5a3a8826fdea3c6c6050c488c0803fc83

21087534 as geometric shapes

Circle

Radius = n
Diameter 42175068
Circumference 132496883.79345
Area 1.3970162709442E+15

Sphere

Radius = n
Volume 3.9279504149452E+22
Surface area 5.5880650837768E+15
Circumference 132496883.79345

Square

Length = n
Perimeter 84350136
Area 444684090201156
Diagonal 29822276.579804

Cube

Length = n
Surface area 2668104541206936
Volume 9.3772908713759E+21
Space diagonal 36524680.294336

Equilateral Triangle

Length = n
Perimeter 63262602
Area 1.9255385938649E+14
Altitude 18262340.147168

Triangular Pyramid

Length = n
Surface area 1.9255385938649E+14
Volume 1.1051243273848E+21
Height 9940758.8599346