21497424 (number)
21497424 is an even 8-digits composite number following 21497423 and preceding 21497425. In scientific notation, it is written as 2.1497424 × 10^7. The sum of its digits is 33. It has a total of 7 prime factors and 40 positive divisors. There are 6465024 positive integers (up to 21497424) that are relatively prime to 21497424.
Interesting facts
- 21497424 has 40 divisors, whose sum is 55701792
- The reverse of 21497424 is 42479412
- Previous prime number is 611
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 33
- Digital Root 6
Name
| Name | twenty-one million four hundred ninety-seven thousand four hundred twenty-four |
|---|
Notation
| Scientific notation | 2.1497424 × 10^7 |
|---|---|
| Engineering notation | 2.1497424 × 10^6 |
Prime Factorization of 21497424
Prime Factorization 2 × 2 × 2 × 2 × 3 × 611 × 733
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2687178 | Product of the distinct prime numbers |
The prime factorization of 21497424 is 2 × 2 × 2 × 2 × 3 × 611 × 733. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21497424)
Multiplication
n×y| n×2 | 42994848 |
|---|---|
| n×3 | 64492272 |
| n×4 | 85989696 |
| n×5 | 107487120 |
Division
n÷y| n÷2 | 10748712 |
|---|---|
| n÷3 | 7165808 |
| n÷3 | 5374356 |
| n÷5 | 4299484.8 |
Exponentiation
ny| n2 | 462139238635776 |
|---|---|
| n3 | 9.9348031599905E+21 |
| n4 | 2.1357267588685E+29 |
| n5 | 4.5912623683543E+36 |
Nth Root
y√n| 2√n | 4636.5314622032 |
|---|---|
| 3√n | 278.05378253131 |
| 4√n | 68.09208075983 |
| 5√n | 29.273677529096 |
Divisors of 21497424
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 | -21497423 | 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 21497424 can be divided by 40 positive divisors. The sum of these divisors (counting 21497424) is 1, the average is 0.025.
Base conversion 21497424
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1010010000000011001010000 |
| 3 | Ternary | 1111110011220220 |
| 4 | Quaternary | 1102000121100 |
| 5 | Quinary | 21000404144 |
| 6 | Senary | 2044433040 |
| 8 | Octal | 122003120 |
| 10 | Decimal | 21497424 |
| 12 | Duodecimal | 7248780 |
| 16 | Hexadecimal | 1480650 |
| 20 | Vigesimal | 6e73b4 |
| 36 | Base36 | csrio |
Cryptographic Hash Functions
| md5 | 8b94d1d0f06f5a1f254767a821c8e26d |
|---|---|
| sha1 | 7f0498c64c5136abf52dee7abfe37391910eab6b |
| sha256 | 9e6fe45f6c09e8a09bb5e7f4f69c8bc52dabc21c408c1e3476930a8d5b10454e |
| sha512 | 08e34bca6da17fff76da0fdd5d30463dbfd2458db122b15b8a81e261bf915cd5b3dc3da1b8c7c32e6282b706a7e82549c1b141474b61e278f24d0cda51337cd2 |
| ripemd-160 | 0b3e0f8319e08eeed0bd7aeeede374c7b19ef991 |
21497424 as geometric shapes
Circle
Radius = n| Diameter | 42994848 |
|---|---|
| Circumference | 135072298.61901 |
| Area | 1.4518532370337E+15 |
Sphere
Radius = n| Volume | 4.1614806163049E+22 |
|---|---|
| Surface area | 5.8074129481349E+15 |
| Circumference | 135072298.61901 |
Square
Length = n| Perimeter | 85989696 |
|---|---|
| Area | 462139238635776 |
| Diagonal | 30401948.576885 |
Cube
Length = n| Surface area | 2772835431814656 |
|---|---|
| Volume | 9.9348031599905E+21 |
| Space diagonal | 37234630.599851 |
Equilateral Triangle
Length = n| Perimeter | 64492272 |
|---|---|
| Area | 2.0011216037209E+14 |
| Altitude | 18617315.299925 |
Triangular Pyramid
Length = n| Surface area | 2.0011216037209E+14 |
|---|---|
| Volume | 1.1708277806971E+21 |
| Height | 10133982.858962 |