1388688 (number)
1388688 is an even 7-digits composite number following 1388687 and preceding 1388689. In scientific notation, it is written as 1.388688 × 10^6. The sum of its digits is 42. It has a total of 7 prime factors and 40 positive divisors. There are 396672 positive integers (up to 1388688) that are relatively prime to 1388688.
Interesting facts
- 1388688 has 40 divisors, whose sum is 4100928
- The reverse of 1388688 is 8868831
- Previous prime number is 3
Basic properties
- Is Prime? no
- Number parity even
- Number length 7
- Sum of Digits 42
- Digital Root 6
Name
| Name | one million three hundred eighty-eight thousand six hundred eighty-eight |
|---|
Notation
| Scientific notation | 1.388688 × 10^6 |
|---|---|
| Engineering notation | 1.388688 × 10^6 |
Prime Factorization of 1388688
Prime Factorization 2 × 2 × 2 × 2 × 7 × 3 × 4133
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 173586 | Product of the distinct prime numbers |
The prime factorization of 1388688 is 2 × 2 × 2 × 2 × 7 × 3 × 4133. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 1388688)
Multiplication
n×y| n×2 | 2777376 |
|---|---|
| n×3 | 4166064 |
| n×4 | 5554752 |
| n×5 | 6943440 |
Division
n÷y| n÷2 | 694344 |
|---|---|
| n÷3 | 462896 |
| n÷3 | 347172 |
| n÷5 | 277737.6 |
Exponentiation
ny| n2 | 1928454361344 |
|---|---|
| n3 | 2678021430146076672 |
| n4 | 3.7189362237867E+24 |
| n5 | 5.1644421067379E+30 |
Nth Root
y√n| 2√n | 1178.4260689581 |
|---|---|
| 3√n | 111.56677882199 |
| 4√n | 34.328210978117 |
| 5√n | 16.924698333124 |
Divisors of 1388688
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 | -1388687 | 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 1388688 can be divided by 40 positive divisors. The sum of these divisors (counting 1388688) is 1, the average is 0.025.
Base conversion 1388688
| Base | System | Value |
|---|---|---|
| 2 | Binary | 101010011000010010000 |
| 3 | Ternary | 2121112220220 |
| 4 | Quaternary | 11103002100 |
| 5 | Quinary | 323414223 |
| 6 | Senary | 45433040 |
| 8 | Octal | 5230220 |
| 10 | Decimal | 1388688 |
| 12 | Duodecimal | 56b780 |
| 16 | Hexadecimal | 153090 |
| 20 | Vigesimal | 8dbe8 |
| 36 | Base36 | trio |
Cryptographic Hash Functions
| md5 | dfc5d5b877c3f9c72be9f5b7a3946150 |
|---|---|
| sha1 | d43d2f1c5233acff49d570fc7aa30be1f1085c50 |
| sha256 | f5db447dc56b652a9e61cd4488af717dee09b0b2966b09dc401e73186e373136 |
| sha512 | 9de580db1fa755f95e1776201e9df964a6a6e443c67817675fac5ead3d421dadcb4165f07d4c1c01185b8cd323b57cbdbfa687d2898be5e365c9bbb37d214bed |
| ripemd-160 | 974680f604b68f5b100f924009d63539d59ff703 |
1388688 as geometric shapes
Circle
Radius = n| Diameter | 2777376 |
|---|---|
| Circumference | 8725384.0378566 |
| Area | 6058418054381.5 |
Sphere
Radius = n| Volume | 1.1217669934804E+19 |
|---|---|
| Surface area | 24233672217526 |
| Circumference | 8725384.0378566 |
Square
Length = n| Perimeter | 5554752 |
|---|---|
| Area | 1928454361344 |
| Diagonal | 1963901.4035048 |
Cube
Length = n| Surface area | 11570726168064 |
|---|---|
| Volume | 2678021430146076672 |
| Space diagonal | 2405278.1718612 |
Equilateral Triangle
Length = n| Perimeter | 4166064 |
|---|---|
| Area | 835045233481.4 |
| Altitude | 1202639.0859306 |
Triangular Pyramid
Length = n| Surface area | 835045233481.4 |
|---|---|
| Volume | 3.1560785223653E+17 |
| Height | 654633.80116826 |