728632128
728,632,128 is an even composite number composed of five prime numbers multiplied together.
728632128 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 728632128:
26 × 3 × 7 × 532 × 193
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 53 × 53 × 193)See below for interesting mathematical facts about the number 728632128 from the Numbermatics database.
Names of 728632128
- Cardinal: 728632128 can be written as Seven hundred twenty-eight million, six hundred thirty-two thousand, one hundred twenty-eight.
Scientific notation
- Scientific notation: 7.28632128 × 108
Factors of 728632128
Divisors of 728632128
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 53 56 64 84 96 106 112 159 168 192 193 212 224 318 336 371 386 424 448 579 636 672 742 772 848 1113 1158 1272 1344 1351 1484 1544 1696 2226 2316 2544 2702 2809 2968 3088 3392 4053 4452 4632 5088 5404 5618 5936 6176 8106 8427 8904 9264 10176 10229 10808 11236 11872 12352 16212 16854 17808 18528 19663 20458 21616 22472 23744 30687 32424 33708 35616 37056 39326 40916 43232 44944 58989 61374 64848 67416 71232 71603 78652 81832 86464 89888 117978 122748 129696 134832 143206 157304 163664 179776 214809 235956 245496 259392 269664 286412 314608 327328 429618 471912 490992 539328 542137 572824 629216 654656 859236 943824 981984 1084274 1145648 1258432 1626411 1718472 1887648 1963968 2168548 2291296 3252822 3436944 3775296 3794959 4337096 4582592 6505644 6873888 7589918 8674192 11384877 13011288 13747776 15179836 17348384 22769754 26022576 30359672 34696768 45539508 52045152 60719344 91079016 104090304 121438688 182158032 242877376 364316064 728632128
- Sum of all divisors σ(n): 2257235008
- Sum of proper divisors (its aliquot sum) s(n): 1528602880
- 728632128 is an abundant number, because the sum of its proper divisors (1528602880) is greater than itself. Its abundance is 799970752
Bases of 728632128
- Binary: 1010110110111000001011010000002
- Hexadecimal: 0x2B6E0B40
- Base-36: C1T45C
Squares and roots of 728632128
- 728632128 squared (7286321282) is 530904777953808384
- 728632128 cubed (7286321283) is 386834278125850888538161152
-
The
square root of 728632128 is 26993.1866959053 -
The
cube root of 728632128 is 899.8485868737
Scales and comparisons
How big is 728632128?- 728,632,128 seconds is equal to 23 years, 8 weeks, 5 days, 5 hours, 48 minutes, 48 seconds.
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To count from 1 to 728,632,128 would take you about thirty-four years!
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 728632128 cubic inches would be around 75 feet tall.
Recreational maths with 728632128
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Keywords: Divisors of 728632128, math, Factors of 728632128, curriculum, school, college, exams, university, Prime factorization of 728632128, STEM, science, technology, engineering, physics, economics, calculator, seven hundred twenty-eight million, six hundred thirty-two thousand, one hundred twenty-eight.