128389359991880

Names of 128389359991880

• Cardinal: 128389359991880 can be written as One hundred twenty-eight trillion, three hundred eighty-nine billion, three hundred fifty-nine million, nine hundred ninety-one thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.2838935999188 × 10¹⁴

Factors of 128389359991880

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 9061

Divisors of 128389359991880

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 4 5 8 10 13 17 20 26 34 40 41 52 59 65 68 82 85 104 118 130 136 164 170 205 221 236 260 295 328 340 410 442 472 520 533 590 680 697 733 767 820 884 1003 1066 1105 1180 1394 1466 1534 1640 1768 2006 2132 2210 2360 2419 2665 2788 2932 3068 3485 3665 3835 4012 4264 4420 4838 5015 5330 5576 5864 6136 6970 7330 7670 8024 8191 8840 9061 9529 9676 10030 10660 12095 12461 13039 13940 14660 15340 16382 18122 19058 19352 20060 21320 24190 24922 26078 27880 29320 30053 30680 31447 32764 36244 38116 40120 40955 41123 43247 45305 47645 48380 49844 52156 60106 62305 62894 65195 65528 72488 76232 81910 82246 86494 90610 95290 96760 99688 104312 106483 120212 124610 125788 130390 139247 150265 157235 161993 163820 164492 172988 181220 190580 205615 212966 216235 240424 249220 251576 260780 278494 300530 314470 323986 327640 328984 335831 345976 362440 381160 390689 411230 425932 432470 483269 498440 510901 521560 532415 534599 556988 562211 601060 628940 647972 671662 696235 735199 781378 809965 822460 851864 864940 966538 1021802 1064830 1069198 1113976 1124422 1202120 1257880 1295944 1343324 1392470 1470398 1562756 1619930 1644920 1679155 1729880 1773127 1810211 1933076 1953445 2043604 2129660 2138396 2248844 2416345 2554505 2672995 2686648 2784940 2811055 2940796 3125512 3239860 3358310 3546254 3620422 3675995 3866152 3906890 4087208 4259320 4276792 4365803 4497688 4832690 5109010 5345990 5569880 5622110 5709127 5881592 6004003 6282497 6479720 6641713 6716620 7092508 7240844 7351990 7813780 8215573 8731606 8865635 9051055 9557587 9665380 10218020 10691980 11244220 11418254 12008006 12564994 13283426 13433240 14185016 14481688 14703980 15627560 16431146 17463212 17731270 18102110 19115174 19330760 19814029 20436040 21383960 21829015 22488440 22836508 23050651 24016012 25129988 26566852 28545635 29407960 30020015 30143159 31412485 32862292 33208565 34926424 35462540 36204220 38230348 39628058 41077865 43658030 45673016 46101302 47787935 48032024 50259976 53133704 57091270 60040030 60286318 62824970 65724584 66417130 70925080 72408440 74218651 76460696 78052039 79256116 82155730 87316060 92202604 95575870 99070145 102068051 106802449 114182540 115253255 120080060 120572636 125649940 132834260 148437302 150715795 156104078 158512232 164311460 174632120 184405208 191151740 198140290 204136102 213604898 228365080 230506510 240160120 241145272 246164123 251299880 257582377 265668520 296874604 301431590 312208156 328622920 336838493 354236177 371093255 382303480 390260195 391861067 396280580 408272204 427209796 461013020 492328246 510340255 515164754 534012245 593749208 602863180 624416312 673676986 708472354 742186510 780520390 783722134 792561160 816544408 854419592 922026040 984656492 1020680510 1030329508 1068024490 1205726360 1230820615 1287911885 1326884663 1347353972 1416944708 1484373020 1561040780 1567444268 1684192465 1771180885 1959305335 1969312984 2041361020 2060659016 2136048980 2461641230 2575823770 2653769326 2694707944 2833889416 2968746040 3122081560 3134888536 3200133599 3368384930 3542361770 3918610670 4082722040 4184790091 4272097960 4378900409 4605070301 4923282460 5151647540 5307538652 6022015009 6400267198 6634423315 6736769860 7084723540 7837221340 8369580182 8757800818 9210140602 9846564920 10303295080 10615077304 12044030018 12800534396 13268846630 13473539720 14169447080 14523683257 15674442680 16000667995 16739160364 17515601636 18420281204 20923950455 21894502045 23025351505 24088060036 25601068792 26537693260 29047366514 30110075045 32001335990 33478320728 35031203272 36840562408 41847900910 43789004090 46050703010 48176120072 53075386520 54402271183 58094733028 60220150090 64002671980 72618416285 78286195117 83695801820 87578008180 92101406020 108804542366 116189466056 120440300180 128005343960 145236832570 156572390234 167391603640 175156016360 184202812040 188807882341 217609084732 240880600360 246902615369 272011355915 290473665140 313144780468 377615764682 391430975585 435218169464 493805230738 544022711830 580947330280 626289560936 755231529364 782861951170 944039411705 987610461476 1088045423660 1234513076845 1510463058728 1565723902340 1888078823410 1975220922952 2176090847320 2469026153690 3131447804680 3209733999797 3776157646820 4938052307380 6419467999594 7552315293640 9876104614760 12838935999188 16048669998985 25677871998376 32097339997970 64194679995940 128389359991880
• Sum of all divisors σ(n): 343660481740800
• Sum of proper divisors (its aliquot sum) s(n): 215271121748920
• 128389359991880 is an abundant number, because the sum of its proper divisors (215271121748920) is greater than itself. Its abundance is 86881761757040

Bases of 128389359991880

• Binary: 11101001100010011111010001100011111110001001000₂
• Hexadecimal: 0x74C4FA31FC48
• Base-36: 19ID9A0V9K

Squares and roots of 128389359991880

• 128389359991880 squared (128389359991880²) is 16483827759124556793665934400
• 128389359991880 cubed (128389359991880³) is 2116348096210387325618329970253416612672000
• The square root of 128389359991880 is 11330902.8762883677
• The cube root of 128389359991880 is 50447.8905664579

Scales and comparisons

• 128,389,359,991,880 seconds is equal to 4,082,384 years, 26 weeks, 4 days, 20 hours, 51 minutes, 20 seconds.
• To count from 1 to 128,389,359,991,880 would take you about ten million, two hundred five thousand, nine hundred sixty-one 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 128389359991880 cubic inches would be around 4204 feet tall.

Recreational maths with 128389359991880

• 128389359991880 backwards is 088199953983821
• The number of decimal digits it has is: 15
• The sum of 128389359991880's digits is 83
• More coming soon!