21478068 (number)
21478068 is an even 8-digits composite number following 21478067 and preceding 21478069. In scientific notation, it is written as 2.1478068 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 48 positive divisors. There are 7056000 positive integers (up to 21478068) that are relatively prime to 21478068.
Interesting facts
- 21478068 has 48 divisors, whose sum is 56488320
- The reverse of 21478068 is 86087412
- Previous prime number is 71
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 36
- Digital Root 9
Name
| Name | twenty-one million four hundred seventy-eight thousand sixty-eight |
|---|
Notation
| Scientific notation | 2.1478068 × 10^7 |
|---|---|
| Engineering notation | 2.1478068 × 10^6 |
Prime Factorization of 21478068
Prime Factorization 2 × 2 × 9 × 3 × 71 × 2801
Composite number| ω | Distinct Factors | 5 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 6 | Total number of prime factors |
| rad | Radical | 10739034 | Product of the distinct prime numbers |
The prime factorization of 21478068 is 2 × 2 × 9 × 3 × 71 × 2801. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21478068)
Multiplication
n×y| n×2 | 42956136 |
|---|---|
| n×3 | 64434204 |
| n×4 | 85912272 |
| n×5 | 107390340 |
Division
n÷y| n÷2 | 10739034 |
|---|---|
| n÷3 | 7159356 |
| n÷3 | 5369517 |
| n÷5 | 4295613.6 |
Exponentiation
ny| n2 | 461307405012624 |
|---|---|
| n3 | 9.9079918137647E+21 |
| n4 | 2.1280452191948E+29 |
| n5 | 4.5706299924941E+36 |
Nth Root
y√n| 2√n | 4634.4436559311 |
|---|---|
| 3√n | 277.97030547347 |
| 4√n | 68.076748276714 |
| 5√n | 29.268404102066 |
Divisors of 21478068
48 divisors
| τ | Total Divisors | 48 | Total number of the positive divisors of n |
|---|---|---|---|
| σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
| s | Aliquot Sum | -21478067 | Sum of the proper positive divisors of n |
| A | Arithmetic Mean | 0.020833333333333 | 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 | 48 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21478068 can be divided by 48 positive divisors. The sum of these divisors (counting 21478068) is 1, the average is 0.020833333333333.
Base conversion 21478068
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1010001111011101010110100 |
| 3 | Ternary | 1111102012101000 |
| 4 | Quaternary | 1101323222310 |
| 5 | Quinary | 20444244233 |
| 6 | Senary | 2044203300 |
| 8 | Octal | 121735264 |
| 10 | Decimal | 21478068 |
| 12 | Duodecimal | 7239530 |
| 16 | Hexadecimal | 147bab4 |
| 20 | Vigesimal | 6e4f38 |
| 36 | Base36 | cscl0 |
Cryptographic Hash Functions
| md5 | 7a8394a939b2d170895489c6f197bb38 |
|---|---|
| sha1 | 4d87eb78dc9c1910b0651e6a60e1afd54b39918e |
| sha256 | 7e66db80cf610857d18d0b12bfd184df71d29182a48a5137d9b7b06593ec0477 |
| sha512 | 2df2bab5567105ff2c99d5bb52e7481ae58480eb6e0d6abf28ab8ba78bb3444a953ec9bcbae358ddfdf4aa881f5628abad3d610875653888a37b787cf724d439 |
| ripemd-160 | f08340f39bd380cd475460e4497ef3db472f5fab |
21478068 as geometric shapes
Circle
Radius = n| Diameter | 42956136 |
|---|---|
| Circumference | 134950681.2842 |
| Area | 1.4492399546342E+15 |
Sphere
Radius = n| Volume | 4.1502499058601E+22 |
|---|---|
| Surface area | 5.7969598185369E+15 |
| Circumference | 134950681.2842 |
Square
Length = n| Perimeter | 85912272 |
|---|---|
| Area | 461307405012624 |
| Diagonal | 30374575.059172 |
Cube
Length = n| Surface area | 2767844430075744 |
|---|---|
| Volume | 9.9079918137647E+21 |
| Space diagonal | 37201105.024419 |
Equilateral Triangle
Length = n| Perimeter | 64434204 |
|---|---|
| Area | 1.997519658474E+14 |
| Altitude | 18600552.51221 |
Triangular Pyramid
Length = n| Surface area | 1.997519658474E+14 |
|---|---|
| Volume | 1.1676680332423E+21 |
| Height | 10124858.353057 |