1291248 (number)
1291248 is an even 7-digits composite number following 1291247 and preceding 1291249. In scientific notation, it is written as 1.291248 × 10^6. The sum of its digits is 27. It has a total of 7 prime factors and 40 positive divisors. There are 362880 positive integers (up to 1291248) that are relatively prime to 1291248.
Interesting facts
- 1291248 has 40 divisors, whose sum is 2844560
- The reverse of 1291248 is 8421921
- Previous prime number is 9
Basic properties
- Is Prime? no
- Number parity even
- Number length 7
- Sum of Digits 27
- Digital Root 9
Name
| Name | one million two hundred ninety-one thousand two hundred forty-eight |
|---|
Notation
| Scientific notation | 1.291248 × 10^6 |
|---|---|
| Engineering notation | 1.291248 × 10^6 |
Prime Factorization of 1291248
Prime Factorization 2 × 2 × 2 × 2 × 147 × 9 × 61
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 161406 | Product of the distinct prime numbers |
The prime factorization of 1291248 is 2 × 2 × 2 × 2 × 147 × 9 × 61. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 1291248)
Multiplication
n×y| n×2 | 2582496 |
|---|---|
| n×3 | 3873744 |
| n×4 | 5164992 |
| n×5 | 6456240 |
Division
n÷y| n÷2 | 645624 |
|---|---|
| n÷3 | 430416 |
| n÷3 | 322812 |
| n÷5 | 258249.6 |
Exponentiation
ny| n2 | 1667321397504 |
|---|---|
| n3 | 2152925419884244992 |
| n4 | 2.7799606425747E+24 |
| n5 | 3.5896186198033E+30 |
Nth Root
y√n| 2√n | 1136.3309377114 |
|---|---|
| 3√n | 108.89381685936 |
| 4√n | 33.709508120282 |
| 5√n | 16.680226068491 |
Divisors of 1291248
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 | -1291247 | 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 1291248 can be divided by 40 positive divisors. The sum of these divisors (counting 1291248) is 1, the average is 0.025.
Base conversion 1291248
| Base | System | Value |
|---|---|---|
| 2 | Binary | 100111011001111110000 |
| 3 | Ternary | 2102121021000 |
| 4 | Quaternary | 10323033300 |
| 5 | Quinary | 312304443 |
| 6 | Senary | 43402000 |
| 8 | Octal | 4731760 |
| 10 | Decimal | 1291248 |
| 12 | Duodecimal | 523300 |
| 16 | Hexadecimal | 13b3f0 |
| 20 | Vigesimal | 81828 |
| 36 | Base36 | roc0 |
Cryptographic Hash Functions
| md5 | b1e518778b17217bcf1e3e1652cd41f2 |
|---|---|
| sha1 | 518e531ad038e1f86fb22a4c47b17b030cd9df97 |
| sha256 | 60df8645ebdf316470a17e307899ec71757270b0e6dcae0536809beb6c08c6e8 |
| sha512 | d2d8d754cc9305f6806a8f3d80fefde5ee597a202373fbf806995631206de4efc22e56cf6b243e8d3b6816edd90d9e067b588b3123f0760909005a3d927b4f80 |
| ripemd-160 | 858bdb50e6c7cce5f82891660dc1f51003dafa25 |
1291248 as geometric shapes
Circle
Radius = n| Diameter | 2582496 |
|---|---|
| Circumference | 8113150.461525 |
| Area | 5238044653571.6 |
Sphere
Radius = n| Volume | 9.0181529104468E+18 |
|---|---|
| Surface area | 20952178614287 |
| Circumference | 8113150.461525 |
Square
Length = n| Perimeter | 5164992 |
|---|---|
| Area | 1667321397504 |
| Diagonal | 1826100.4339871 |
Cube
Length = n| Surface area | 10003928385024 |
|---|---|
| Volume | 2152925419884244992 |
| Space diagonal | 2236507.1411717 |
Equilateral Triangle
Length = n| Perimeter | 3873744 |
|---|---|
| Area | 721971343255.92 |
| Altitude | 1118253.5705858 |
Triangular Pyramid
Length = n| Surface area | 721971343255.92 |
|---|---|
| Volume | 2.5372469396484E+17 |
| Height | 608700.14466238 |