128940648480

Names of 128940648480

• Cardinal: 128940648480 can be written as One hundred twenty-eight billion, nine hundred forty million, six hundred forty-eight thousand, four hundred eighty.

Scientific notation

• Scientific notation: 1.2894064848 × 10¹¹

Factors of 128940648480

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 11506

Divisors of 128940648480

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 19 20 21 24 28 30 32 35 36 38 40 42 45 48 56 57 59 60 63 70 72 76 80 84 90 95 96 105 112 114 118 120 126 133 140 144 152 160 168 171 177 180 190 210 224 228 236 240 252 266 280 285 288 295 304 315 336 342 354 360 380 399 413 420 456 472 480 504 531 532 560 570 590 608 630 665 672 684 708 720 760 798 826 840 855 885 912 944 1008 1062 1064 1120 1121 1140 1180 1197 1239 1260 1330 1368 1416 1440 1520 1596 1652 1680 1710 1770 1824 1888 1995 2016 2065 2124 2128 2242 2280 2360 2394 2478 2520 2655 2660 2736 2832 3040 3192 3304 3360 3363 3420 3540 3717 3990 4130 4248 4256 4484 4560 4720 4788 4956 5040 5310 5320 5472 5605 5664 5985 6195 6384 6608 6726 6840 7080 7434 7847 7980 8260 8496 8968 9120 9440 9576 9912 10080 10089 10620 10640 11210 11411 11970 12390 12768 13216 13452 13680 14160 14868 15694 15960 16520 16815 16992 17936 18585 19152 19824 20178 21240 21280 22420 22822 23541 23940 24780 26904 27360 28320 29736 31388 31920 33040 33630 34233 35872 37170 38304 39235 39648 40356 42480 44840 45644 47082 47880 49560 50445 53808 57055 59472 62776 63840 66080 67260 68466 70623 74340 78470 79877 80712 84960 89680 91288 94164 95760 99120 100890 102699 107616 114110 117705 118944 125552 134520 136932 141246 148680 156940 159754 161424 171165 179360 182576 188328 191520 198240 201780 205398 216809 228220 235410 239631 251104 269040 273864 282492 297360 313880 319508 322848 342330 353115 365152 376656 399385 403560 410796 433618 456440 470820 479262 513495 538080 547728 564984 594720 627760 639016 650427 673249 684660 706230 718893 753312 798770 807120 821592 867236 912880 941640 958524 1026990 1084045 1095456 1129968 1198155 1255520 1278032 1300854 1346498 1369320 1412460 1437786 1517663 1597540 1614240 1643184 1734472 1825760 1883280 1917048 1951281 2019747 2053980 2168090 2259936 2396310 2556064 2601708 2692996 2738640 2824920 2875572 3035326 3195080 3252135 3286368 3366245 3468944 3594465 3766560 3834096 3902562 4039494 4107960 4336180 4552989 4712743 4792620 5203416 5385992 5477280 5649840 5751144 6059241 6070652 6390160 6504270 6732490 6937888 7188930 7588315 7668192 7805124 8078988 8215920 8672360 9105978 9425486 9585240 9756405 10098735 10406832 10771984 11299680 11502288 12118482 12141304 12780320 12791731 13008540 13464980 13658967 14138229 14377860 15176630 15610248 16157976 16431840 17344720 18211956 18850972 19170480 19512810 20197470 20813664 21543968 22764945 23004576 23563715 24236964 24282608 25583462 26017080 26929960 27317934 28276458 28755720 30296205 30353260 31220496 32315952 34689440 36423912 37701944 38340960 38375193 39025620 40394940 42414687 45529890 47127430 48473928 48565216 51166924 52034160 53859920 54635868 56552916 57511440 60592410 60706520 62440992 63958655 64631904 68294835 70691145 72847824 75403888 76750386 78051240 80789880 84829374 89542117 91059780 94254860 96947856 102333848 104068320 107719840 109271736 113105832 115022880 115125579 121184820 121413040 127917310 136589670 141382290 145695648 150807776 153500772 156102480 161579760 169658748 179084234 182119560 188509720 191875965 193895712 204667696 212073435 218543472 226211664 230251158 242369640 242826080 255834620 268626351 273179340 282764580 307001544 312204960 323159520 339317496 358168468 364239120 377019440 383751930 409335392 424146870 437086944 447710585 452423328 460502316 484739280 511669240 537252702 546358680 565529160 575627895 614003088 678634992 716336936 728478240 754038880 767503860 805879053 848293740 895421170 921004632 969478560 1023338480 1074505404 1092717360 1131058320 1151255790 1228006176 1343131755 1357269984 1432673872 1535007720 1611758106 1696587480 1790842340 1842009264 2046676960 2149010808 2185434720 2262116640 2302511580 2686263510 2865347744 3070015440 3223516212 3393174960 3581684680 3684018528 4029395265 4298021616 4605023160 5372527020 6140030880 6447032424 6786349920 7163369360 8058790530 8596043232 9210046320 10745054040 12894064848 14326738720 16117581060 18420092640 21490108080 25788129696 32235162120 42980216160 64470324240 128940648480
• Sum of all divisors σ(n): 538354252800
• Sum of proper divisors (its aliquot sum) s(n): 409413604320
• 128940648480 is an abundant number, because the sum of its proper divisors (409413604320) is greater than itself. Its abundance is 280472955840

Bases of 128940648480

• Binary: 1111000000101011101100010100000100000₂
• Hexadecimal: 0x1E05762820
• Base-36: 1N8FXL40

Squares and roots of 128940648480

• 128940648480 squared (128940648480²) is 16625690830442926310400
• 128940648480 cubed (128940648480³) is 2143727357105300644091829768192000
• The square root of 128940648480 is 359083.0662674029
• The cube root of 128940648480 is 5051.9993191943

Scales and comparisons

• 128,940,648,480 seconds is equal to 4,099 years, 47 weeks, 3 days, 14 hours, 48 minutes.
• To count from 1 to 128,940,648,480 would take you about eight thousand, one hundred ninety-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 128940648480 cubic inches would be around 421 feet tall.

Recreational maths with 128940648480

• 128940648480 backwards is 084846049821
• The number of decimal digits it has is: 12
• The sum of 128940648480's digits is 54
• More coming soon!