21086513 (number)

21086513 is an odd 8-digits composite number following 21086512 and preceding 21086514. In scientific notation, it is written as 2.1086513 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 17952480 positive integers (up to 21086513) that are relatively prime to 21086513.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-six thousand five hundred thirteen

Notation

Scientific notation 2.1086513 × 10^7
Engineering notation 2.1086513 × 10^6

Prime Factorization of 21086513

Prime Factorization 7 × 7 × 157 × 2741

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 3012359
Product of the distinct prime numbers

The prime factorization of 21086513 is 7 × 7 × 157 × 2741. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 5, 12, 41, 332, 226, 3678, 6906, 26316, 55283, 857990, 569596, 8969607, 5157870, 56997255, 55511950, 695028857, 259355725, 6646938932, 3106929014

Basic calculations (n = 21086513)

Multiplication

n×y
n×2 42173026
n×3 63259539
n×4 84346052
n×5 105432565

Division

n÷y
n÷2 10543256.5
n÷3 7028837.6666667
n÷3 5271628.25
n÷5 4217302.6

Exponentiation

ny
n2 444641030499169
n3 9.3759288699541E+21
n4 1.9770564600336E+29
n5 4.1689226746233E+36

Nth Root

y√n
2√n 4592.0053353628
3√n 276.27076016325
4√n 67.764336751441
5√n 29.160902014745

Divisors of 21086513

1, 7, 49, 157, 1099, 2741, 7693, 19187, 134309, 430337, 3012359, 21086513

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21086512
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21086513 can be divided by 12 positive divisors. The sum of these divisors (counting 21086513) is 1, the average is 0.083333333333333.

Base conversion 21086513

Base System Value
2 Binary 1010000011100000100110001
3 Ternary 1110200022020222
4 Quaternary 1100130010301
5 Quinary 20344232023
6 Senary 2031542425
8 Octal 120340461
10 Decimal 21086513
12 Duodecimal 708aa15
16 Hexadecimal 141c131
20 Vigesimal 6bfg5d
36 Base36 cjygh

Cryptographic Hash Functions

md5 9854b1edf0b9a39c5345055e8e8004e1
sha1 63ac96f44fa24fa65eb41d8b5dd1d68b01fbba23
sha256 61adfa12ddefa32937efcad7f42e30bff44a30f4c3e64882fb81943759e04044
sha512 6399d497f19598b8a3d835236370574074a3e04c2b5ca2559acc7b0852e54808c7adb9b22dd5fdf28fe6a6f515035852a7da76c8bd6a2037edd308221979a164
ripemd-160 44966d068fd8f8ba2952b4cde7f331268b774c7f

21086513 as geometric shapes

Circle

Radius = n
Diameter 42173026
Circumference 132490468.66125
Area 1.3968809949008E+15

Sphere

Radius = n
Volume 3.9273799011238E+22
Surface area 5.5875239796031E+15
Circumference 132490468.66125

Square

Length = n
Perimeter 84346052
Area 444641030499169
Diagonal 29820832.667757

Cube

Length = n
Surface area 2667846182995014
Volume 9.3759288699541E+21
Space diagonal 36522911.870462

Equilateral Triangle

Length = n
Perimeter 63259539
Area 1.9253521398859E+14
Altitude 18261455.935231

Triangular Pyramid

Length = n
Surface area 1.9253521398859E+14
Volume 1.1049638139779E+21
Height 9940277.5559189