128993040
128,993,040 is an even composite number composed of six prime numbers multiplied together.
128993040 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 128993040:
24 × 33 × 5 × 11 × 61 × 89
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 11 × 61 × 89)See below for interesting mathematical facts about the number 128993040 from the Numbermatics database.
Names of 128993040
- Cardinal: 128993040 can be written as One hundred twenty-eight million, nine hundred ninety-three thousand and forty.
Scientific notation
- Scientific notation: 1.2899304 × 108
Factors of 128993040
Divisors of 128993040
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 33 36 40 44 45 48 54 55 60 61 66 72 80 88 89 90 99 108 110 120 122 132 135 144 165 176 178 180 183 198 216 220 240 244 264 267 270 297 305 330 356 360 366 396 432 440 445 488 495 528 534 540 549 594 610 660 671 712 720 732 792 801 880 890 915 976 979 990 1068 1080 1098 1188 1220 1320 1335 1342 1424 1464 1485 1584 1602 1647 1780 1830 1958 1980 2013 2136 2160 2196 2376 2403 2440 2640 2670 2684 2745 2928 2937 2970 3204 3294 3355 3560 3660 3916 3960 4005 4026 4272 4392 4752 4806 4880 4895 5340 5368 5429 5490 5874 5940 6039 6408 6588 6710 7120 7320 7832 7920 8010 8052 8235 8784 8811 9612 9790 10065 10680 10736 10858 10980 11748 11880 12015 12078 12816 13176 13420 14640 14685 15664 16020 16104 16287 16470 17622 18117 19224 19580 20130 21360 21716 21960 23496 23760 24030 24156 26352 26433 26840 27145 29370 30195 32040 32208 32574 32940 35244 36234 38448 39160 40260 43432 43920 44055 46992 48060 48312 48861 52866 53680 54290 58740 59719 60390 64080 65148 65880 70488 72468 78320 80520 81435 86864 88110 90585 96120 96624 97722 105732 108580 117480 119438 120780 130296 131760 132165 140976 144936 146583 161040 162870 176220 179157 181170 192240 195444 211464 217160 234960 238876 241560 244305 260592 264330 289872 293166 298595 325740 352440 358314 362340 390888 422928 434320 477752 483120 488610 528660 537471 586332 597190 651480 704880 716628 724680 732915 781776 895785 955504 977220 1057320 1074942 1172664 1194380 1302960 1433256 1449360 1465830 1612413 1791570 1954440 2114640 2149884 2345328 2388760 2687355 2866512 2931660 3224826 3583140 3908880 4299768 4777520 5374710 5863320 6449652 7166280 8062065 8599536 10749420 11726640 12899304 14332560 16124130 21498840 25798608 32248260 42997680 64496520 128993040
- Sum of all divisors σ(n): 498182400
- Sum of proper divisors (its aliquot sum) s(n): 369189360
- 128993040 is an abundant number, because the sum of its proper divisors (369189360) is greater than itself. Its abundance is 240196320
Bases of 128993040
- Binary: 1111011000001000111000100002
- Hexadecimal: 0x7B04710
- Base-36: 24SRO0
Squares and roots of 128993040
- 128993040 squared (1289930402) is 16639204368441600
- 128993040 cubed (1289930403) is 2146341554666562046464000
-
The
square root of 128993040 is 11357.5102905523 -
The
cube root of 128993040 is 505.2683473973
Scales and comparisons
How big is 128993040?- 128,993,040 seconds is equal to 4 years, 5 weeks, 1 day, 23 hours, 24 minutes.
-
To count from 1 to 128,993,040 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 128993040 cubic inches would be around 42.1 feet tall.
Recreational maths with 128993040
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