12720564
12,720,564 is an even composite number composed of four prime numbers multiplied together.
12720564 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 12720564:
22 × 35 × 23 × 569
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 23 × 569)See below for interesting mathematical facts about the number 12720564 from the Numbermatics database.
Names of 12720564
- Cardinal: 12720564 can be written as Twelve million, seven hundred twenty thousand, five hundred sixty-four.
Scientific notation
- Scientific notation: 1.2720564 × 107
Factors of 12720564
Divisors of 12720564
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 6 9 12 18 23 27 36 46 54 69 81 92 108 138 162 207 243 276 324 414 486 569 621 828 972 1138 1242 1707 1863 2276 2484 3414 3726 5121 5589 6828 7452 10242 11178 13087 15363 20484 22356 26174 30726 39261 46089 52348 61452 78522 92178 117783 138267 157044 184356 235566 276534 353349 471132 553068 706698 1060047 1413396 2120094 3180141 4240188 6360282 12720564
- Sum of all divisors σ(n): 34856640
- Sum of proper divisors (its aliquot sum) s(n): 22136076
- 12720564 is an abundant number, because the sum of its proper divisors (22136076) is greater than itself. Its abundance is 9415512
Bases of 12720564
- Binary: 1100001000011001101101002
- Hexadecimal: 0xC219B4
- Base-36: 7KN90
Squares and roots of 12720564
- 12720564 squared (127205642) is 161812748478096
- 12720564 cubed (127205643) is 2058349423031522766144
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The
square root of 12720564 is 3566.5899680227 -
The
cube root of 12720564 is 233.4365140037
Scales and comparisons
How big is 12720564?- 12,720,564 seconds is equal to 21 weeks, 5 hours, 29 minutes, 24 seconds.
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To count from 1 to 12,720,564 would take you about thirty-one 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 12720564 cubic inches would be around 19.5 feet tall.
Recreational maths with 12720564
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