121520 (number)
121520 is an even 6-digits composite number following 121519 and preceding 121521. In scientific notation, it is written as 1.21520 × 10^5. The sum of its digits is 11. It has a total of 8 prime factors and 60 positive divisors. There are 40320 positive integers (up to 121520) that are relatively prime to 121520.
Interesting facts
- 121520 has 60 divisors, whose sum is 339264
- The reverse of 121520 is 025121
- Previous prime number is 7
Basic properties
- Is Prime? no
- Number parity even
- Number length 6
- Sum of Digits 11
- Digital Root 2
Name
| Name | one hundred twenty-one thousand five hundred twenty |
|---|
Notation
| Scientific notation | 1.21520 × 10^5 |
|---|---|
| Engineering notation | 1.21520 × 10^3 |
Prime Factorization of 121520
Prime Factorization 2 × 2 × 2 × 2 × 5 × 7 × 7 × 31
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 8 | Total number of prime factors |
| rad | Radical | 2170 | Product of the distinct prime numbers |
The prime factorization of 121520 is 2 × 2 × 2 × 2 × 5 × 7 × 7 × 31. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 121520)
Multiplication
n×y| n×2 | 243040 |
|---|---|
| n×3 | 364560 |
| n×4 | 486080 |
| n×5 | 607600 |
Division
n÷y| n÷2 | 60760 |
|---|---|
| n÷3 | 40506.666666667 |
| n÷3 | 30380 |
| n÷5 | 24304 |
Exponentiation
ny| n2 | 14767110400 |
|---|---|
| n3 | 1794499255808000 |
| n4 | 2.1806754956579E+20 |
| n5 | 2.6499568623235E+25 |
Nth Root
y√n| 2√n | 348.59718874368 |
|---|---|
| 3√n | 49.531626219913 |
| 4√n | 18.67075758355 |
| 5√n | 10.397514918541 |
Divisors of 121520
60 divisors
| τ | Total Divisors | 60 | Total number of the positive divisors of n |
|---|---|---|---|
| σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
| s | Aliquot Sum | -121519 | Sum of the proper positive divisors of n |
| A | Arithmetic Mean | 0.016666666666667 | 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 | 60 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 121520 can be divided by 60 positive divisors. The sum of these divisors (counting 121520) is 1, the average is 0.016666666666667.
Base conversion 121520
| Base | System | Value |
|---|---|---|
| 2 | Binary | 11101101010110000 |
| 3 | Ternary | 20011200202 |
| 4 | Quaternary | 131222300 |
| 5 | Quinary | 12342040 |
| 6 | Senary | 2334332 |
| 8 | Octal | 355260 |
| 10 | Decimal | 121520 |
| 12 | Duodecimal | 5a3a8 |
| 16 | Hexadecimal | 1dab0 |
| 20 | Vigesimal | f3g0 |
| 36 | Base36 | 2lrk |
Cryptographic Hash Functions
| md5 | 7034283077f60d28c6001b0a2ed462bb |
|---|---|
| sha1 | 7c6be0fa19c5318a664315910f2fd6e72c17a861 |
| sha256 | a3430d03b35c95436b7c9f0a28e846c02a515c234024a0a17ddf0760d04ea248 |
| sha512 | 0023b7dc82db488d1bd3b43da8e7b890b0ca02270079ed5f3b655ff8a91bafde110176da7843cf23d5058a58ea499b15ec881f761f990c290b2142bd913c5e2c |
| ripemd-160 | d5a72908eaa46be894ed9f52a3402d9736514b1f |
121520 as geometric shapes
Circle
Radius = n| Diameter | 243040 |
|---|---|
| Circumference | 763532.67852846 |
| Area | 46392245547.389 |
Sphere
Radius = n| Volume | 7.516780905225E+15 |
|---|---|
| Surface area | 185568982189.56 |
| Circumference | 763532.67852846 |
Square
Length = n| Perimeter | 486080 |
|---|---|
| Area | 14767110400 |
| Diagonal | 171855.23209958 |
Cube
Length = n| Surface area | 88602662400 |
|---|---|
| Volume | 1794499255808000 |
| Space diagonal | 210478.81413577 |
Equilateral Triangle
Length = n| Perimeter | 364560 |
|---|---|
| Area | 6394346373.4447 |
| Altitude | 105239.40706788 |
Triangular Pyramid
Length = n| Surface area | 6394346373.4447 |
|---|---|
| Volume | 2.1148376543601E+14 |
| Height | 57285.077366526 |