1290640 (number)
1290640 is an even 7-digits composite number following 1290639 and preceding 1290641. In scientific notation, it is written as 1.290640 × 10^6. The sum of its digits is 22. It has a total of 7 prime factors and 40 positive divisors. There are 442368 positive integers (up to 1290640) that are relatively prime to 1290640.
Interesting facts
- 1290640 has 40 divisors, whose sum is 2725272
- The reverse of 1290640 is 0460921
- Previous prime number is 65
Basic properties
- Is Prime? no
- Number parity even
- Number length 7
- Sum of Digits 22
- Digital Root 4
Name
| Name | one million two hundred ninety thousand six hundred forty |
|---|
Notation
| Scientific notation | 1.290640 × 10^6 |
|---|---|
| Engineering notation | 1.290640 × 10^6 |
Prime Factorization of 1290640
Prime Factorization 2 × 2 × 2 × 2 × 73 × 65 × 17
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 161330 | Product of the distinct prime numbers |
The prime factorization of 1290640 is 2 × 2 × 2 × 2 × 73 × 65 × 17. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 1290640)
Multiplication
n×y| n×2 | 2581280 |
|---|---|
| n×3 | 3871920 |
| n×4 | 5162560 |
| n×5 | 6453200 |
Division
n÷y| n÷2 | 645320 |
|---|---|
| n÷3 | 430213.33333333 |
| n÷3 | 322660 |
| n÷5 | 258128 |
Exponentiation
ny| n2 | 1665751609600 |
|---|---|
| n3 | 2149885657414144000 |
| n4 | 2.774728424885E+24 |
| n5 | 3.5811754942936E+30 |
Nth Root
y√n| 2√n | 1136.0633785137 |
|---|---|
| 3√n | 108.87672284517 |
| 4√n | 33.705539285312 |
| 5√n | 16.678654954638 |
Divisors of 1290640
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 | -1290639 | 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 1290640 can be divided by 40 positive divisors. The sum of these divisors (counting 1290640) is 1, the average is 0.025.
Base conversion 1290640
| Base | System | Value |
|---|---|---|
| 2 | Binary | 100111011000110010000 |
| 3 | Ternary | 2102120102111 |
| 4 | Quaternary | 10323012100 |
| 5 | Quinary | 312300030 |
| 6 | Senary | 43355104 |
| 8 | Octal | 4730620 |
| 10 | Decimal | 1290640 |
| 12 | Duodecimal | 522a94 |
| 16 | Hexadecimal | 13b190 |
| 20 | Vigesimal | 816c0 |
| 36 | Base36 | rnv4 |
Cryptographic Hash Functions
| md5 | 4384bbbdf13baaf70b2121e21c76b7cf |
|---|---|
| sha1 | 205f50005bd1af74b6a45cb01f844a6a346383e1 |
| sha256 | 9d708cb4922d2e8d8e682ec3e4958619137e76d69dc1362ec4f41f66db57b047 |
| sha512 | c33d37f57c42b16ffe8b14b99929293c2744781633ca28ddc94918782ede8055b80c84a9cdbc5109d8abece30c2f46fb762d4882c9059e7385f85ecf0a7537fa |
| ripemd-160 | c90639220465c4ff6d1e544f4cdcb4cd1193ad0e |
1290640 as geometric shapes
Circle
Radius = n| Diameter | 2581280 |
|---|---|
| Circumference | 8109330.2848583 |
| Area | 5233113019424.7 |
Sphere
Radius = n| Volume | 9.0054199831871E+18 |
|---|---|
| Surface area | 20932452077699 |
| Circumference | 8109330.2848583 |
Square
Length = n| Perimeter | 5162560 |
|---|---|
| Area | 1665751609600 |
| Diagonal | 1825240.5921412 |
Cube
Length = n| Surface area | 9994509657600 |
|---|---|
| Volume | 2149885657414144000 |
| Space diagonal | 2235454.0542807 |
Equilateral Triangle
Length = n| Perimeter | 3871920 |
|---|---|
| Area | 721291605154.21 |
| Altitude | 1117727.0271403 |
Triangular Pyramid
Length = n| Surface area | 721291605154.21 |
|---|---|
| Volume | 2.5336645452221E+17 |
| Height | 608413.53071374 |