16668816 (number)
16668816 is an even 8-digits composite number following 16668815 and preceding 16668817. In scientific notation, it is written as 1.6668816 × 10^7. The sum of its digits is 42. It has a total of 7 prime factors and 40 positive divisors. There are 5529216 positive integers (up to 16668816) that are relatively prime to 16668816.
Interesting facts
- 16668816 has 40 divisors, whose sum is 43271040
- The reverse of 16668816 is 61886661
- Previous prime number is 239
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 42
- Digital Root 6
Name
| Name | sixteen million six hundred sixty-eight thousand eight hundred sixteen |
|---|
Notation
| Scientific notation | 1.6668816 × 10^7 |
|---|---|
| Engineering notation | 1.6668816 × 10^6 |
Prime Factorization of 16668816
Prime Factorization 2 × 2 × 2 × 2 × 3 × 239 × 1453
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2083602 | Product of the distinct prime numbers |
The prime factorization of 16668816 is 2 × 2 × 2 × 2 × 3 × 239 × 1453. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 16668816)
Multiplication
n×y| n×2 | 33337632 |
|---|---|
| n×3 | 50006448 |
| n×4 | 66675264 |
| n×5 | 83344080 |
Division
n÷y| n÷2 | 8334408 |
|---|---|
| n÷3 | 5556272 |
| n÷3 | 4167204 |
| n÷5 | 3333763.2 |
Exponentiation
ny| n2 | 277849426841856 |
|---|---|
| n3 | 4.6314209717324E+21 |
| n4 | 7.7200303996348E+28 |
| n5 | 1.2868376624592E+36 |
Nth Root
y√n| 2√n | 4082.7461346501 |
|---|---|
| 3√n | 255.44745735525 |
| 4√n | 63.896370277584 |
| 5√n | 27.821526213307 |
Divisors of 16668816
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 | -16668815 | 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 16668816 can be divided by 40 positive divisors. The sum of these divisors (counting 16668816) is 1, the average is 0.025.
Base conversion 16668816
| Base | System | Value |
|---|---|---|
| 2 | Binary | 111111100101100010010000 |
| 3 | Ternary | 1011100212022120 |
| 4 | Quaternary | 333211202100 |
| 5 | Quinary | 13231400231 |
| 6 | Senary | 1353134240 |
| 8 | Octal | 77454220 |
| 10 | Decimal | 16668816 |
| 12 | Duodecimal | 56ba380 |
| 16 | Hexadecimal | fe5890 |
| 20 | Vigesimal | 543c0g |
| 36 | Base36 | 9x9qo |
Cryptographic Hash Functions
| md5 | 525544ee92cf8e8914429a0429400458 |
|---|---|
| sha1 | 69be587cbefa0f4e233bddb9ed48d83305d2850d |
| sha256 | 608a0b6e7bf84e9bd42fcc335dfe7d80c5544f7da79eb1d26b0d70ab09917a54 |
| sha512 | beed8a96ca692ce6b9a2b5acbb179463eea14f5733254be4633ab80bebb26b4c35aced6a0709c3ec8ac9c000b75af69140e23afdce041e72b49f07b9bf7e4a42 |
| ripemd-160 | 3f6d99a690a95005730a0e4f6e61d815ed0fd076 |
16668816 as geometric shapes
Circle
Radius = n| Diameter | 33337632 |
|---|---|
| Circumference | 104733259.77928 |
| Area | 8.7288971817051E+14 |
Sphere
Radius = n| Volume | 1.9400050800635E+22 |
|---|---|
| Surface area | 3.491558872682E+15 |
| Circumference | 104733259.77928 |
Square
Length = n| Perimeter | 66675264 |
|---|---|
| Area | 277849426841856 |
| Diagonal | 23573265.655902 |
Cube
Length = n| Surface area | 1667096561051136 |
|---|---|
| Volume | 4.6314209717324E+21 |
| Space diagonal | 28871236.214017 |
Equilateral Triangle
Length = n| Perimeter | 50006448 |
|---|---|
| Area | 1.20312331036E+14 |
| Altitude | 14435618.107009 |
Triangular Pyramid
Length = n| Surface area | 1.20312331036E+14 |
|---|---|
| Volume | 5.4581819594026E+20 |
| Height | 7857755.2186339 |