13157728
13,157,728 is an even composite number composed of four prime numbers multiplied together.
13157728 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 13157728:
25 × 17 × 192 × 67
(2 × 2 × 2 × 2 × 2 × 17 × 19 × 19 × 67)See below for interesting mathematical facts about the number 13157728 from the Numbermatics database.
Names of 13157728
- Cardinal: 13157728 can be written as Thirteen million, one hundred fifty-seven thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 1.3157728 × 107
Factors of 13157728
Divisors of 13157728
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 4 8 16 17 19 32 34 38 67 68 76 134 136 152 268 272 304 323 361 536 544 608 646 722 1072 1139 1273 1292 1444 2144 2278 2546 2584 2888 4556 5092 5168 5776 6137 9112 10184 10336 11552 12274 18224 20368 21641 24187 24548 36448 40736 43282 48374 49096 86564 96748 98192 173128 193496 196384 346256 386992 411179 692512 773984 822358 1644716 3289432 6578864 13157728
- Sum of all divisors σ(n): 29379672
- Sum of proper divisors (its aliquot sum) s(n): 16221944
- 13157728 is an abundant number, because the sum of its proper divisors (16221944) is greater than itself. Its abundance is 3064216
Bases of 13157728
- Binary: 1100100011000101011000002
- Hexadecimal: 0xC8C560
- Base-36: 7U0KG
Squares and roots of 13157728
- 13157728 squared (131577282) is 173125806121984
- 13157728 cubed (131577283) is 2277942266733800292352
-
The
square root of 13157728 is 3627.3582673897 -
The
cube root of 13157728 is 236.0806006415
Scales and comparisons
How big is 13157728?- 13,157,728 seconds is equal to 21 weeks, 5 days, 6 hours, 55 minutes, 28 seconds.
-
To count from 1 to 13,157,728 would take you about thirty-two weeks!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 13157728 cubic inches would be around 19.7 feet tall.
Recreational maths with 13157728
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The information we have on file for 13157728 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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