78981139098838368

Names of 78981139098838368

• Cardinal: 78981139098838368 can be written as Seventy-eight quadrillion, nine hundred eighty-one trillion, one hundred thirty-nine billion, ninety-eight million, eight hundred thirty-eight thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 7.8981139098838368 × 10¹⁶

Factors of 78981139098838368

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1130

Divisors of 78981139098838368

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 72 84 96 112 126 144 168 224 241 252 288 336 482 504 672 723 877 964 1008 1446 1687 1754 1928 2016 2169 2631 2892 3374 3508 3856 4338 5061 5262 5784 6139 6748 7016 7712 7893 8676 10122 10524 11568 12278 13496 14032 15183 15786 17352 18417 20244 21048 23136 24556 26992 28064 30366 31572 34704 36834 40488 42096 49112 53984 55251 58081 60732 63144 69408 73668 80976 84192 98224 110502 116162 121464 126288 147336 161952 174243 196448 211357 221004 232324 242928 252576 294672 348486 406567 422714 442008 464648 485856 522729 589344 634071 696972 769129 813134 845428 884016 929296 1045458 1219701 1268142 1393944 1479499 1538258 1626268 1690856 1768032 1858592 1902213 2090916 2307387 2439402 2536284 2787888 2958998 3076516 3252536 3381712 3659103 3804426 4181832 4438497 4614774 4878804 5072568 5383903 5575776 5917996 6153032 6505072 6763424 6922161 7318206 7608852 8363664 8876994 9229548 9757608 10145136 10767806 11835992 12306064 13010144 13315491 13844322 14636412 15217704 16151709 16727328 17753988 18459096 19515216 20290272 21535612 23671984 24612128 26630982 27688644 29272824 30435408 32303418 35507976 36918192 39030432 43071224 47343968 48455127 50937037 53261964 55377288 58545648 60870816 64606836 71015952 73836384 86142448 96910254 101874074 106523928 110754576 117091296 129213672 142031904 152811111 172284896 185360089 193820508 203748148 213047856 221509152 258427344 305622222 356559259 370720178 387641016 407496296 426095712 458433333 516854688 556080267 611244444 674526133 713118518 741440356 775282032 814992592 916866666 1069677777 1112160534 1222488888 1297520623 1349052266 1426237036 1482880712 1550564064 1629985184 1668240801 1833733332 2023578399 2139355554 2224321068 2444977776 2595041246 2698104532 2852474072 2965761424 3209033331 3336481602 3667466664 3892561869 4047156798 4278711108 4448642136 4721682931 4889955552 5190082492 5396209064 5704948144 5931522848 6070735197 6418066662 6672963204 7334933328 7785123738 8094313596 8557422216 8897284272 9443365862 10380164984 10792418128 11409896288 11677685607 12141470394 12836133324 13345926408 14165048793 14669866656 15570247476 16188627192 17114844432 17794568544 18886731724 20760329968 21584836256 23355371214 24282940788 25672266648 26691852816 28330097586 31140494952 32377254384 34229688864 37773463448 41520659936 42495146379 44671781449 46710742428 48565881576 51344533296 53383705632 56660195172 62280989904 64754508768 75546926896 84990292758 89343562898 93421484856 97131763152 102689066592 113320390344 124561979808 134015344347 151093853792 162560798053 169980585516 178687125796 186842969712 194263526304 226640780688 268030688694 312702470143 325121596106 339961171032 357374251592 373685939424 402046033041 453281561376 487682394159 536061377388 625404940286 650243192212 679922342064 714748503184 804092066082 938107410429 975364788318 1072122754776 1137925586371 1250809880572 1300486384424 1359844684128 1429497006368 1463047182477 1608184132164 1876214820858 1950729576636 2144245509552 2275851172742 2501619761144 2600972768848 2814322231287 2926094364954 3216368264328 3413776759113 3752429641716 3901459153272 4288491019104 4551702345484 5003239522288 5201945537696 5628644462574 5852188729908 6432736528656 6827553518226 7504859283432 7802918306544 9103404690968 10006479044576 10241330277339 11257288925148 11704377459816 12865473057312 13655107036452 15009718566864 15605836613088 18206809381936 20482660554678 22514577850296 23408754919632 27310214072904 30019437133728 36413618763872 39177152330773 40965321109356 45029155700592 46817509839264 54620428145808 78354304661546 81930642218712 90058311401184 109240856291616 117531456992319 156708609323092 163861284437424 235062913984638 274240066315411 313417218646184 327722568874848 352594370976957 470125827969276 548480132630822 626834437292368 705188741953914 822720198946233 940251655938552 1096960265261644 1253668874584736 1410377483907828 1645440397892466 1880503311877104 2193920530523288 2468160596838699 2820754967815656 3290880795784932 3761006623754208 4387841061046576 4936321193677398 5641509935631312 6581761591569864 8775682122093152 9872642387354796 11283019871262624 13163523183139728 19745284774709592 26327046366279456 39490569549419184 78981139098838368
• Sum of all divisors σ(n): 258052464458137440
• Sum of proper divisors (its aliquot sum) s(n): 179071325359299072
• 78981139098838368 is an abundant number, because the sum of its proper divisors (179071325359299072) is greater than itself. Its abundance is 100090186260460704

Bases of 78981139098838368

• Binary: 100011000100110001110110101110011111100010010010101100000₂
• Hexadecimal: 0x11898ED73F12560
• Base-36: LLOH6EIV880

Squares and roots of 78981139098838368

• 78981139098838368 squared (78981139098838368²) is 6238020333350054772851326988903424
• 78981139098838368 cubed (78981139098838368³) is 492685951649702760971319469704268654737504537772032
• The square root of 78981139098838368 is 281035832.4108126395
• The cube root of 78981139098838368 is 429049.8926779209

Scales and comparisons

• 78,981,139,098,838,368 seconds is equal to 2,511,355,918 years, 33 weeks, 1 day, 16 hours, 52 minutes, 48 seconds.
• To count from 1 to 78,981,139,098,838,368 would take you about seven billion, five hundred thirty-four million, sixty-seven thousand, seven hundred fifty-five 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 78981139098838368 cubic inches would be around 35754.2 feet tall.

Recreational maths with 78981139098838368

• 78981139098838368 backwards is 86383889093118987
• The number of decimal digits it has is: 17
• The sum of 78981139098838368's digits is 99
• More coming soon!