21369968 (number)
21369968 is an even 8-digits composite number following 21369967 and preceding 21369969. In scientific notation, it is written as 2.1369968 × 10^7. The sum of its digits is 44. It has a total of 7 prime factors and 40 positive divisors. There are 10289664 positive integers (up to 21369968) that are relatively prime to 21369968.
Interesting facts
- 21369968 has 40 divisors, whose sum is 42966000
- The reverse of 21369968 is 86996312
- Previous prime number is 89
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 44
- Digital Root 8
Name
| Name | twenty-one million three hundred sixty-nine thousand nine hundred sixty-eight |
|---|
Notation
| Scientific notation | 2.1369968 × 10^7 |
|---|---|
| Engineering notation | 2.1369968 × 10^6 |
Prime Factorization of 21369968
Prime Factorization 2 × 2 × 2 × 2 × 43 × 89 × 349
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2671246 | Product of the distinct prime numbers |
The prime factorization of 21369968 is 2 × 2 × 2 × 2 × 43 × 89 × 349. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21369968)
Multiplication
n×y| n×2 | 42739936 |
|---|---|
| n×3 | 64109904 |
| n×4 | 85479872 |
| n×5 | 106849840 |
Division
n÷y| n÷2 | 10684984 |
|---|---|
| n÷3 | 7123322.6666667 |
| n÷3 | 5342492 |
| n÷5 | 4273993.6 |
Exponentiation
ny| n2 | 456675532321024 |
|---|---|
| n3 | 9.7591415120832E+21 |
| n4 | 2.0855254182069E+29 |
| n5 | 4.4567611450268E+36 |
Nth Root
y√n| 2√n | 4622.7662714007 |
|---|---|
| 3√n | 277.5031755717 |
| 4√n | 67.990927861007 |
| 5√n | 29.238882792874 |
Divisors of 21369968
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 | -21369967 | 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 21369968 can be divided by 40 positive divisors. The sum of these divisors (counting 21369968) is 1, the average is 0.025.
Base conversion 21369968
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1010001100001010001110000 |
| 3 | Ternary | 1111012201002022 |
| 4 | Quaternary | 1101201101300 |
| 5 | Quinary | 20432314333 |
| 6 | Senary | 2042011012 |
| 8 | Octal | 121412160 |
| 10 | Decimal | 21369968 |
| 12 | Duodecimal | 71a6a68 |
| 16 | Hexadecimal | 1461470 |
| 20 | Vigesimal | 6db4i8 |
| 36 | Base36 | cq168 |
Cryptographic Hash Functions
| md5 | 9b016cac94ed8a53a79eaad43908d5c5 |
|---|---|
| sha1 | 015167cb4ddf6ad8c0616d68cfef5ebe92a59a5c |
| sha256 | 60683797571655ba456224b36790eacff8558dd8e43ceefcbfa76116c6e8d91c |
| sha512 | 01efbc582a3dbc2b67731b2bb367ca116ba949974964cbf553ed768703f7f7436d58553175963c5b054abd54d672a5b17aa6d9194e27c5a786817e01af043f2a |
| ripemd-160 | 1e1924cf79975a85c22cdd215bbb6d937bb5699f |
21369968 as geometric shapes
Circle
Radius = n| Diameter | 42739936 |
|---|---|
| Circumference | 134271468.9525 |
| Area | 1.4346884974139E+15 |
Sphere
Radius = n| Volume | 4.0878996372939E+22 |
|---|---|
| Surface area | 5.7387539896557E+15 |
| Circumference | 134271468.9525 |
Square
Length = n| Perimeter | 85479872 |
|---|---|
| Area | 456675532321024 |
| Diagonal | 30221698.573079 |
Cube
Length = n| Surface area | 2740053193926144 |
|---|---|
| Volume | 9.7591415120832E+21 |
| Space diagonal | 37013870.332121 |
Equilateral Triangle
Length = n| Perimeter | 64109904 |
|---|---|
| Area | 1.9774630613839E+14 |
| Altitude | 18506935.166061 |
Triangular Pyramid
Length = n| Surface area | 1.9774630613839E+14 |
|---|---|
| Volume | 1.1501258569589E+21 |
| Height | 10073899.52436 |