21306768 (number)
21306768 is an even 8-digits composite number following 21306767 and preceding 21306769. In scientific notation, it is written as 2.1306768 × 10^7. The sum of its digits is 33. It has a total of 7 prime factors and 40 positive divisors. There are 6086976 positive integers (up to 21306768) that are relatively prime to 21306768.
Interesting facts
- 21306768 has 40 divisors, whose sum is 56172000
- The reverse of 21306768 is 86760312
- Previous prime number is 49
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 33
- Digital Root 6
Name
| Name | twenty-one million three hundred six thousand seven hundred sixty-eight |
|---|
Notation
| Scientific notation | 2.1306768 × 10^7 |
|---|---|
| Engineering notation | 2.1306768 × 10^6 |
Prime Factorization of 21306768
Prime Factorization 2 × 2 × 2 × 2 × 3 × 49 × 9059
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2663346 | Product of the distinct prime numbers |
The prime factorization of 21306768 is 2 × 2 × 2 × 2 × 3 × 49 × 9059. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21306768)
Multiplication
n×y| n×2 | 42613536 |
|---|---|
| n×3 | 63920304 |
| n×4 | 85227072 |
| n×5 | 106533840 |
Division
n÷y| n÷2 | 10653384 |
|---|---|
| n÷3 | 7102256 |
| n÷3 | 5326692 |
| n÷5 | 4261353.6 |
Exponentiation
ny| n2 | 453978362605824 |
|---|---|
| n3 | 9.6728116490622E+21 |
| n4 | 2.0609635371427E+29 |
| n5 | 4.3912471942358E+36 |
Nth Root
y√n| 2√n | 4615.9254760015 |
|---|---|
| 3√n | 277.22934083874 |
| 4√n | 67.940602558423 |
| 5√n | 29.221567958486 |
Divisors of 21306768
40 divisors
| τ | Total Divisors | 40 | Total number of the positive divisors of n |
|---|---|---|---|
| σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
| s | Aliquot Sum | -21306767 | Sum of the proper positive divisors of n |
| A | Arithmetic Mean | 0.025 | 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 | 40 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21306768 can be divided by 40 positive divisors. The sum of these divisors (counting 21306768) is 1, the average is 0.025.
Base conversion 21306768
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1010001010001110110010000 |
| 3 | Ternary | 1111002111101120 |
| 4 | Quaternary | 1101101312100 |
| 5 | Quinary | 20423304033 |
| 6 | Senary | 2040402240 |
| 8 | Octal | 121216620 |
| 10 | Decimal | 21306768 |
| 12 | Duodecimal | 7176380 |
| 16 | Hexadecimal | 1451d90 |
| 20 | Vigesimal | 6d36i8 |
| 36 | Base36 | cooeo |
Cryptographic Hash Functions
| md5 | 0758998a6003de4b47cb893415a353dc |
|---|---|
| sha1 | 9296c973fa8446f3dcf60c72e61cb9ce3c3a7716 |
| sha256 | 9c4c6f627ba48a35ec3e12cd2a778d574ab17d40c8148e746cc8e27ae4bb3bb2 |
| sha512 | b9bcf79edc011c0c7bc8f701059d5c832b610d8d94b88988a1a69f72548a7a1446c18c7fb822122a9c6e97a01569fdce2e32deaede5b3985eca65a87422df5b7 |
| ripemd-160 | e71fa3b9d7163d6de9b1d51b4a0961edb6dc570f |
21306768 as geometric shapes
Circle
Radius = n| Diameter | 42613536 |
|---|---|
| Circumference | 133874371.64108 |
| Area | 1.4262150888512E+15 |
Sphere
Radius = n| Volume | 4.0517378688335E+22 |
|---|---|
| Surface area | 5.7048603554047E+15 |
| Circumference | 133874371.64108 |
Square
Length = n| Perimeter | 85227072 |
|---|---|
| Area | 453978362605824 |
| Diagonal | 30132320.275937 |
Cube
Length = n| Surface area | 2723870175634944 |
|---|---|
| Volume | 9.6728116490622E+21 |
| Space diagonal | 36904404.721083 |
Equilateral Triangle
Length = n| Perimeter | 63920304 |
|---|---|
| Area | 1.9657839739255E+14 |
| Altitude | 18452202.360541 |
Triangular Pyramid
Length = n| Surface area | 1.9657839739255E+14 |
|---|---|
| Volume | 1.139951785032E+21 |
| Height | 10044106.758646 |