128407128
128,407,128 is an even composite number composed of five prime numbers multiplied together.
128407128 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 128407128:
23 × 3 × 29 × 53 × 592
(2 × 2 × 2 × 3 × 29 × 53 × 59 × 59)See below for interesting mathematical facts about the number 128407128 from the Numbermatics database.
Names of 128407128
- Cardinal: 128407128 can be written as One hundred twenty-eight million, four hundred seven thousand, one hundred twenty-eight.
Scientific notation
- Scientific notation: 1.28407128 × 108
Factors of 128407128
Divisors of 128407128
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 6 8 12 24 29 53 58 59 87 106 116 118 159 174 177 212 232 236 318 348 354 424 472 636 696 708 1272 1416 1537 1711 3074 3127 3422 3481 4611 5133 6148 6254 6844 6962 9222 9381 10266 10443 12296 12508 13688 13924 18444 18762 20532 20886 25016 27848 36888 37524 41064 41772 75048 83544 90683 100949 181366 184493 201898 272049 302847 362732 368986 403796 544098 553479 605694 725464 737972 807592 1088196 1106958 1211388 1475944 2176392 2213916 2422776 4427832 5350297 10700594 16050891 21401188 32101782 42802376 64203564 128407128
- Sum of all divisors σ(n): 344185200
- Sum of proper divisors (its aliquot sum) s(n): 215778072
- 128407128 is an abundant number, because the sum of its proper divisors (215778072) is greater than itself. Its abundance is 87370944
Bases of 128407128
- Binary: 1111010011101010110010110002
- Hexadecimal: 0x7A75658
- Base-36: 24G7KO
Squares and roots of 128407128
- 128407128 squared (1284071282) is 16488390521208384
- 128407128 cubed (1284071283) is 2117226872170791678961152
-
The
square root of 128407128 is 11331.6869000163 -
The
cube root of 128407128 is 504.5021764713
Scales and comparisons
How big is 128407128?- 128,407,128 seconds is equal to 4 years, 4 weeks, 2 days, 4 hours, 38 minutes, 48 seconds.
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To count from 1 to 128,407,128 would take you about six 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 128407128 cubic inches would be around 42 feet tall.
Recreational maths with 128407128
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