128628806800

Names of 128628806800

• Cardinal: 128628806800 can be written as One hundred twenty-eight billion, six hundred twenty-eight million, eight hundred six thousand, eight hundred.

Scientific notation

• Scientific notation: 1.286288068 × 10¹¹

Factors of 128628806800

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 236

Divisors of 128628806800

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 4 5 8 10 13 16 17 19 20 25 26 34 38 40 43 50 52 65 68 76 80 85 86 95 100 104 130 136 137 152 169 170 172 190 200 208 215 221 247 260 272 274 304 323 325 338 340 344 380 400 425 430 442 475 494 520 548 559 646 650 676 680 685 688 731 760 817 845 850 860 884 950 988 1040 1075 1096 1105 1118 1235 1292 1300 1352 1360 1370 1462 1520 1615 1634 1690 1700 1720 1768 1781 1900 1976 2150 2192 2210 2236 2329 2470 2584 2600 2603 2704 2740 2795 2873 2924 3211 3230 3268 3380 3400 3425 3440 3536 3562 3655 3800 3952 4085 4199 4225 4300 4420 4472 4658 4940 5168 5200 5206 5480 5525 5590 5746 5848 5891 6175 6422 6460 6536 6760 6800 6850 7124 7267 7310 7600 8075 8170 8398 8450 8600 8840 8905 8944 9316 9503 9880 10412 10621 10960 11050 11180 11492 11645 11696 11782 12350 12844 12920 13015 13072 13520 13700 13889 13975 14248 14365 14534 14620 16055 16150 16340 16796 16900 17200 17680 17810 18275 18632 19006 19760 20425 20824 20995 21242 22100 22360 22984 23153 23290 23564 24700 25688 25840 26030 27400 27778 27950 28496 28730 29068 29240 29455 30277 32110 32300 32680 33592 33800 33839 35620 36335 36550 37264 38012 40850 41648 41990 42484 44200 44251 44525 44720 45968 46306 46580 47128 47515 49400 51376 52060 53105 54587 54800 55556 55900 57460 58136 58225 58480 58910 60554 64220 64600 65075 65360 67184 67600 67678 69445 71240 71825 72670 73100 76024 76583 80275 81700 83980 84968 88400 88502 89050 92612 93160 94256 95030 98800 100147 104120 104975 106210 109174 111112 111800 111929 114920 115765 116272 116450 117820 121108 123539 128440 129200 130150 135356 138073 138890 142480 143650 145340 146200 147275 151385 152048 153166 160550 163400 167960 169195 169936 177004 178100 180557 181675 185224 186320 190060 200294 208240 209950 212420 218348 221255 222224 223600 223858 229840 231530 232900 235640 237575 242216 247078 256880 260300 265525 270712 272935 276146 277780 287300 290680 292400 294550 302770 306332 321100 326800 335920 338390 347225 354008 356200 361114 363350 370448 380120 382915 393601 400588 419900 424840 436696 439907 442510 447716 463060 465800 471280 475150 484432 494156 500735 520600 531050 541424 545870 552292 555560 559645 574600 575263 578825 581360 589100 605540 612664 617695 642200 676780 690365 694450 708016 712400 722228 726700 756925 760240 765830 787202 801176 839800 845975 849680 873392 879814 885020 895432 902785 926120 931600 950300 988312 995579 1001470 1041200 1062100 1091740 1104584 1106275 1111120 1119290 1149200 1150526 1157650 1178200 1211080 1225328 1235390 1284400 1301911 1353560 1364675 1380730 1388900 1444456 1453400 1455077 1513850 1531660 1574404 1602352 1679600 1691950 1759628 1770040 1790864 1805570 1852240 1900600 1902793 1914575 1968005 1976624 1991158 2002940 2124200 2183480 2199535 2209168 2212550 2238580 2301052 2315300 2347241 2356400 2422160 2470780 2503675 2603822 2707120 2729350 2761460 2777800 2798225 2876315 2888912 2906800 2910154 3027700 3063320 3088475 3148808 3383900 3451825 3519256 3540080 3611140 3801200 3805586 3829150 3936010 3982316 4005880 4248400 4366960 4399070 4425100 4477160 4513925 4602104 4630600 4694482 4941560 4977895 5007350 5207644 5458700 5522920 5555600 5596450 5752630 5820308 6055400 6126640 6176950 6297616 6509555 6767800 6903650 7038512 7222280 7275385 7478419 7611172 7658300 7872020 7964632 8011760 8798140 8850200 8954320 9027850 9204208 9261200 9388964 9513965 9840025 9883120 9955790 10014700 10415288 10917400 10997675 11045840 11192900 11505260 11640616 11736205 12110800 12353900 13019110 13535600 13807300 14381575 14444560 14550770 14956838 15222344 15316600 15744040 15929264 16924843 17596280 17700400 18055700 18777928 18916001 19027930 19680050 19911580 20029400 20830576 21834800 21995350 22385800 23010520 23281232 23472410 24707800 24736309 24889475 26038220 27614600 28763150 29101540 29913676 30444688 30633200 31488080 32547775 33849686 35192560 36111400 36376925 37392095 37555856 37832002 38055860 39360100 39823160 40058800 43990700 44771600 46021040 46944820 47569825 49415600 49472618 49778950 52076440 55229200 57526300 58203080 58681025 59827352 65095550 67699372 72222800 72753850 74784190 75664004 76111720 78720200 79646320 84624215 87981400 93889640 94580005 95139650 98945236 99557900 104152880 115052600 116406160 117362050 119654704 123681545 130191100 135398744 145507700 149568380 151328008 152223440 157440400 169248430 175962800 186960475 187779280 189160010 190279300 197890472 199115800 230105200 234724100 247363090 260382200 270797488 291015400 299136760 302656016 321572017 338496860 373920950 378320020 380558600 395780944 398231600 423121075 469448200 472900025 494726180 520764400 582030800 598273520 618407725 643144034 676993720 747841900 756640040 761117200 846242150 938896400 945800050 989452360 1236815450 1286288068 1353987440 1495683800 1513280080 1607860085 1692484300 1891600100 1978904720 2473630900 2572576136 2991367600 3215720170 3384968600 3783200200 4947261800 5145152272 6431440340 6769937200 7566400400 8039300425 9894523600 12862880680 16078600850 25725761360 32157201700 64314403400 128628806800
• Sum of all divisors σ(n): 384422448960
• Sum of proper divisors (its aliquot sum) s(n): 255793642160
• 128628806800 is an abundant number, because the sum of its proper divisors (255793642160) is greater than itself. Its abundance is 127164835360

Bases of 128628806800

• Binary: 1110111110010110111111101010010010000₂
• Hexadecimal: 0x1DF2DFD490
• Base-36: 1N3A9QJ4

Squares and roots of 128628806800

• 128628806800 squared (128628806800²) is 16545369938791726240000
• 128628806800 cubed (128628806800³) is 2128211193291368779963450432000000
• The square root of 128628806800 is 358648.5839927435
• The cube root of 128628806800 is 5047.9232947289

Scales and comparisons

• 128,628,806,800 seconds is equal to 4,089 years, 51 weeks, 6 days, 8 hours, 6 minutes, 40 seconds.
• To count from 1 to 128,628,806,800 would take you about eight thousand, one hundred seventy-nine 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 128628806800 cubic inches would be around 420.7 feet tall.

Recreational maths with 128628806800

• 128628806800 backwards is 008608826821
• The number of decimal digits it has is: 12
• The sum of 128628806800's digits is 49
• More coming soon!