21356688 (number)
21356688 is an even 8-digits composite number following 21356687 and preceding 21356689. In scientific notation, it is written as 2.1356688 × 10^7. The sum of its digits is 39. It has a total of 7 prime factors and 40 positive divisors. There are 7097472 positive integers (up to 21356688) that are relatively prime to 21356688.
Interesting facts
- 21356688 has 40 divisors, whose sum is 55337728
- The reverse of 21356688 is 88665312
- Previous prime number is 607
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 39
- Digital Root 3
Name
| Name | twenty-one million three hundred fifty-six thousand six hundred eighty-eight |
|---|
Notation
| Scientific notation | 2.1356688 × 10^7 |
|---|---|
| Engineering notation | 2.1356688 × 10^6 |
Prime Factorization of 21356688
Prime Factorization 2 × 2 × 2 × 2 × 3 × 607 × 733
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2669586 | Product of the distinct prime numbers |
The prime factorization of 21356688 is 2 × 2 × 2 × 2 × 3 × 607 × 733. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21356688)
Multiplication
n×y| n×2 | 42713376 |
|---|---|
| n×3 | 64070064 |
| n×4 | 85426752 |
| n×5 | 106783440 |
Division
n÷y| n÷2 | 10678344 |
|---|---|
| n÷3 | 7118896 |
| n÷3 | 5339172 |
| n÷5 | 4271337.6 |
Exponentiation
ny| n2 | 456108122329344 |
|---|---|
| n3 | 9.7409588628536E+21 |
| n4 | 2.080346192548E+29 |
| n5 | 4.4429304566236E+36 |
Nth Root
y√n| 2√n | 4621.3296787829 |
|---|---|
| 3√n | 277.44568046436 |
| 4√n | 67.980362449629 |
| 5√n | 29.235247888802 |
Divisors of 21356688
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 | -21356687 | 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 21356688 can be divided by 40 positive divisors. The sum of these divisors (counting 21356688) is 1, the average is 0.025.
Base conversion 21356688
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1010001011110000010010000 |
| 3 | Ternary | 1111012000212110 |
| 4 | Quaternary | 1101132002100 |
| 5 | Quinary | 20431403223 |
| 6 | Senary | 2041425320 |
| 8 | Octal | 121360220 |
| 10 | Decimal | 21356688 |
| 12 | Duodecimal | 719b240 |
| 16 | Hexadecimal | 145e090 |
| 20 | Vigesimal | 6d9be8 |
| 36 | Base36 | cpqxc |
Cryptographic Hash Functions
| md5 | a7f4fc227201616f56ce05fbdb1dcbed |
|---|---|
| sha1 | 0b6aa7a573df4b17f4e151f8cf8f23099a927dba |
| sha256 | f6416618d88db47bdd4bb6d57ecb8e118e36f8b635d3d3699880ab00bd4019ad |
| sha512 | c11055d7bf22c7392076631ee76345b01ce44fe2c4b3272fac03b813c83bb52b3fc8976b9a55519b1664e3415bfee99793a254eb0089721255cc694209d11e5e |
| ripemd-160 | 12c6ca989b47c3f04e4e900a635e78ff3f8cf998 |
21356688 as geometric shapes
Circle
Radius = n| Diameter | 42713376 |
|---|---|
| Circumference | 134188028.25162 |
| Area | 1.4329059263525E+15 |
Sphere
Radius = n| Volume | 4.0802833069948E+22 |
|---|---|
| Surface area | 5.73162370541E+15 |
| Circumference | 134188028.25162 |
Square
Length = n| Perimeter | 85426752 |
|---|---|
| Area | 456108122329344 |
| Diagonal | 30202917.816971 |
Cube
Length = n| Surface area | 2736648733976064 |
|---|---|
| Volume | 9.7409588628536E+21 |
| Space diagonal | 36990868.697397 |
Equilateral Triangle
Length = n| Perimeter | 64070064 |
|---|---|
| Area | 1.9750061040482E+14 |
| Altitude | 18495434.348698 |
Triangular Pyramid
Length = n| Surface area | 1.9750061040482E+14 |
|---|---|
| Volume | 1.1479830111972E+21 |
| Height | 10067639.272324 |