12821520 (number)
12821520 is an even 8-digits composite number following 12821519 and preceding 12821521. In scientific notation, it is written as 1.2821520 × 10^7. The sum of its digits is 21. It has a total of 8 prime factors and 80 positive divisors. There are 3333120 positive integers (up to 12821520) that are relatively prime to 12821520.
Interesting facts
- 12821520 has 80 divisors, whose sum is 40747392
- The reverse of 12821520 is 02512821
- Previous prime number is 41
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 21
- Digital Root 3
Name
| Name | twelve million eight hundred twenty-one thousand five hundred twenty |
|---|
Notation
| Scientific notation | 1.2821520 × 10^7 |
|---|---|
| Engineering notation | 1.2821520 × 10^6 |
Prime Factorization of 12821520
Prime Factorization 2 × 2 × 2 × 2 × 3 × 5 × 41 × 1303
Composite number| ω | Distinct Factors | 5 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 8 | Total number of prime factors |
| rad | Radical | 1602690 | Product of the distinct prime numbers |
The prime factorization of 12821520 is 2 × 2 × 2 × 2 × 3 × 5 × 41 × 1303. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 12821520)
Multiplication
n×y| n×2 | 25643040 |
|---|---|
| n×3 | 38464560 |
| n×4 | 51286080 |
| n×5 | 64107600 |
Division
n÷y| n÷2 | 6410760 |
|---|---|
| n÷3 | 4273840 |
| n÷3 | 3205380 |
| n÷5 | 2564304 |
Exponentiation
ny| n2 | 164391375110400 |
|---|---|
| n3 | 2.1077473038055E+21 |
| n4 | 2.7024524210688E+28 |
| n5 | 3.4649547765782E+35 |
Nth Root
y√n| 2√n | 3580.7150123963 |
|---|---|
| 3√n | 234.05243912054 |
| 4√n | 59.839075965428 |
| 5√n | 26.399025944614 |
Divisors of 12821520
80 divisors
| τ | Total Divisors | 80 | Total number of the positive divisors of n |
|---|---|---|---|
| σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
| s | Aliquot Sum | -12821519 | Sum of the proper positive divisors of n |
| A | Arithmetic Mean | 0.0125 | 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 | 80 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 12821520 can be divided by 80 positive divisors. The sum of these divisors (counting 12821520) is 1, the average is 0.0125.
Base conversion 12821520
| Base | System | Value |
|---|---|---|
| 2 | Binary | 110000111010010000010000 |
| 3 | Ternary | 220010101211010 |
| 4 | Quaternary | 300322100100 |
| 5 | Quinary | 11240242040 |
| 6 | Senary | 1134450520 |
| 8 | Octal | 60722020 |
| 10 | Decimal | 12821520 |
| 12 | Duodecimal | 4363a40 |
| 16 | Hexadecimal | c3a410 |
| 20 | Vigesimal | 402dg0 |
| 36 | Base36 | 7mt5c |
Cryptographic Hash Functions
| md5 | 58d9a34cdedce2860839b736eb9fc2e7 |
|---|---|
| sha1 | d247cd85dac56452ccca744d92d56080e00acb32 |
| sha256 | e7da4f2cf1511eecc5d5560f469fc1c48e3f5695c1c6a6f0a2e0c94f2dde1317 |
| sha512 | 3bbc111955a5d10170c8fa29ba34c383a80daa4f39f2e26fb1d5ab42947804d28934ad173953174df5c1f8b29a0c5e1ae3ce7802a52a1ed4c764ffcca2f4597f |
| ripemd-160 | 5fc9c4a159e2e9a81c954bfcc0b4a179a6b660b2 |
12821520 as geometric shapes
Circle
Radius = n| Diameter | 25643040 |
|---|---|
| Circumference | 80559986.079709 |
| Area | 5.1645073636036E+14 |
Sphere
Radius = n| Volume | 8.8289112603454E+21 |
|---|---|
| Surface area | 2.0658029454414E+15 |
| Circumference | 80559986.079709 |
Square
Length = n| Perimeter | 51286080 |
|---|---|
| Area | 164391375110400 |
| Diagonal | 18132367.474238 |
Cube
Length = n| Surface area | 986348250662400 |
|---|---|
| Volume | 2.1077473038055E+21 |
| Space diagonal | 22207524.070261 |
Equilateral Triangle
Length = n| Perimeter | 38464560 |
|---|---|
| Area | 71183553504332 |
| Altitude | 11103762.03513 |
Triangular Pyramid
Length = n| Surface area | 71183553504332 |
|---|---|
| Volume | 2.4840040192475E+20 |
| Height | 6044122.4914126 |