128621448747120

Names of 128621448747120

• Cardinal: 128621448747120 can be written as One hundred twenty-eight trillion, six hundred twenty-one billion, four hundred forty-eight million, seven hundred forty-seven thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.2862144874712 × 10¹⁴

Factors of 128621448747120

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1360

Divisors of 128621448747120

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 17 20 21 24 28 30 34 35 40 42 48 51 56 60 68 70 80 84 85 102 105 112 119 120 136 140 168 170 204 210 238 240 255 272 280 289 336 340 357 408 420 476 510 560 578 595 607 680 714 719 816 840 867 952 1020 1156 1190 1214 1360 1428 1438 1445 1680 1734 1785 1821 1904 2023 2040 2157 2312 2380 2428 2856 2876 2890 3035 3468 3570 3595 3642 4046 4080 4249 4314 4335 4624 4760 4856 5033 5712 5752 5780 6069 6070 6936 7140 7190 7284 8092 8498 8628 8670 9105 9520 9712 10066 10115 10319 10785 11504 11560 12138 12140 12223 12747 13872 14280 14380 14568 15099 16184 16996 17256 17340 18210 20132 20230 20638 21245 21570 23120 24276 24280 24446 25165 25494 28560 28760 29136 30198 30345 30957 32368 33992 34512 34680 36420 36669 40264 40460 41276 42490 43140 48552 48560 48892 50330 50988 51595 57520 60396 60690 61115 61914 63735 67984 69360 72233 72840 73338 75495 80528 80920 82552 84980 85561 86280 97104 97784 100660 101976 103190 120792 121380 122230 123828 127470 144466 145680 146676 150990 154785 161840 165104 169960 171122 172560 175423 183345 195568 201320 203952 206380 207791 216699 241584 242760 244460 247656 254940 256683 288932 293352 301980 309570 339920 342244 350846 361165 366690 368449 402640 412760 415582 427805 433398 436433 485520 488920 495312 509880 513366 526269 577864 586704 603960 619140 623373 684488 701692 722330 733380 736898 825520 831164 855610 866796 872866 877115 977840 1019760 1026732 1038955 1052538 1083495 1105347 1155728 1207920 1227961 1238280 1246746 1283415 1309299 1368976 1403384 1444660 1454537 1466760 1473796 1662328 1711220 1733592 1745732 1754230 1842245 2053464 2077910 2105076 2166990 2182165 2210694 2455922 2476560 2493492 2566830 2579143 2618598 2631345 2806768 2889320 2909074 2933520 2947592 3055031 3116865 3324656 3422440 3467184 3491464 3508460 3683883 3684490 4106928 4155820 4210152 4333980 4363611 4364330 4421388 4911844 4986984 5133660 5158286 5237196 5262690 5526735 5778640 5818148 5895184 6110062 6139805 6233730 6263633 6546495 6844880 6982928 7016920 7272685 7367766 7368980 7419361 7737429 8311640 8420304 8667960 8727222 8728660 8842776 9165093 9823688 9973968 10267320 10316572 10474392 10525380 11053470 11636296 12220124 12279610 12467460 12527266 12895715 13092990 14033840 14545370 14735532 14737960 14838722 15275155 15474858 16623280 17335920 17454444 17457320 17685552 18330186 18419415 18790899 19647376 20534640 20633144 20948784 21050760 21818055 22106940 22258083 23272592 24440248 24559220 24934920 25054532 25791430 26185980 29090740 29471064 29475920 29677444 30550310 30949716 31318165 34908888 34914640 36660372 36838830 37096805 37581798 38687145 41266288 42101520 43636110 43845431 44213880 44516166 45825465 48880496 49118440 49869840 50109064 51582860 51935527 52371960 58181480 58942128 59354888 61100620 61899432 62636330 69817776 73320744 73677660 74193610 75163596 77374290 87272220 87690862 88427760 89032332 91650930 93954495 98236880 100218128 103165720 103871054 104743920 106481761 111290415 116362960 118709776 122201240 123798864 125272660 126129137 131536293 146641488 147355320 148387220 150327192 154748580 155806581 174544440 175381724 178064664 183301860 187908990 206331440 207742108 212963522 219227155 222580830 244402480 250545320 252258274 259677635 263072586 264914831 294710640 296774440 300654384 309497160 311613162 319445283 349088880 350763448 356129328 366603720 375817980 378387411 415484216 425927044 438454310 445161660 501090640 504516548 519355270 526145172 529829662 532408805 593548880 618994320 623226324 630645685 638890566 657681465 701526896 733207440 745372327 751635960 756774822 779032905 794744493 830968432 851854088 876908620 882903959 890323320 1009033096 1038710540 1052290344 1059659324 1064817610 1246452648 1261291370 1277781132 1315362930 1324574155 1490744654 1503271920 1513549644 1558065810 1589488986 1597226415 1703708176 1753817240 1765807918 1780646640 1854403817 1891937055 2018066192 2077421080 2104580688 2119318648 2129635220 2236116981 2492905296 2522582740 2555562264 2630725860 2648711877 2649148310 2981489308 3027099288 3116131620 3178977972 3194452830 3507634480 3531615836 3708807634 3726861635 3783874110 3973722465 4154842160 4238637296 4259270440 4414519795 4472233962 4503552127 5045165480 5111124528 5261451720 5297423754 5298296620 5563211451 5962978616 6054198576 6232263240 6357955944 6388905660 7063231672 7417615268 7453723270 7567748220 7947444930 8518540880 8829039590 8944467924 9007104254 9272019085 10090330960 10522903440 10594847508 10596593240 11126422902 11180584905 11925957232 12464526480 12715911888 12777811320 13243559385 13510656381 14126463344 14835230536 14907446540 15135496440 15894889860 17658079180 17888935848 18014208508 18544038170 21189695016 21193186480 22252845804 22361169810 22517760635 25555622640 26487118770 27021312762 27816057255 29670461072 29814893080 30270992880 31524864889 31789779720 35316158360 35777871696 36028417016 37088076340 42379390032 44505691608 44722339620 45035521270 52974237540 54042625524 55632114510 59629786160 63049729778 63579559440 67553281905 70632316720 72056834032 74176152680 76560386159 89011383216 89444679240 90071042540 94574594667 105948475080 108085251048 111264229020 126099459556 135106563810 148352305360 153120772318 157624324445 178889358480 180142085080 189149189334 211896950160 216170502096 222528458040 229681158477 252198919112 270213127620 306241544636 315248648890 360284170160 378298378668 382801930795 445056916080 459362316954 472872973335 504397838224 535922703113 540426255240 612483089272 630497297780 756596757336 765603861590 918724633908 945745946670 1071845406226 1080852510480 1148405792385 1224966178544 1260994595560 1513193514672 1531207723180 1607768109339 1837449267816 1891491893340 2143690812452 2296811584770 2521989191120 2679613515565 3062415446360 3215536218678 3674898535632 3782983786680 4287381624904 4593623169540 5359227031130 6124830892720 6431072437356 7565967573360 8038840546695 8574763249808 9187246339080 10718454062260 12862144874712 16077681093390 18374492678160 21436908124520 25724289749424 32155362186780 42873816249040 64310724373560 128621448747120
• Sum of all divisors σ(n): 485542490434560
• Sum of proper divisors (its aliquot sum) s(n): 356921041687440
• 128621448747120 is an abundant number, because the sum of its proper divisors (356921041687440) is greater than itself. Its abundance is 228299592940320

Bases of 128621448747120

• Binary: 11101001111101100000011110000110101100001110000₂
• Hexadecimal: 0x74FB03C35870
• Base-36: 19LBVLOCXC

Squares and roots of 128621448747120

• 128621448747120 squared (128621448747120²) is 16543477077808017017708294400
• 128621448747120 cubed (128621448747120³) is 2127845989062438409198208141608512112128000
• The square root of 128621448747120 is 11341139.6582142485
• The cube root of 128621448747120 is 50478.2703947659

Scales and comparisons

• 128,621,448,747,120 seconds is equal to 4,089,764 years, 11 weeks, 2 days, 7 hours, 32 minutes.
• To count from 1 to 128,621,448,747,120 would take you about ten million, two hundred twenty-four thousand, four hundred ten 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 128621448747120 cubic inches would be around 4206.5 feet tall.

Recreational maths with 128621448747120

• 128621448747120 backwards is 021747844126821
• The number of decimal digits it has is: 15
• The sum of 128621448747120's digits is 57
• More coming soon!