72857256781920

Names of 72857256781920

• Cardinal: 72857256781920 can be written as Seventy-two trillion, eight hundred fifty-seven billion, two hundred fifty-six million, seven hundred eighty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 7.285725678192 × 10¹³

Factors of 72857256781920

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 5947

Divisors of 72857256781920

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 37 39 40 48 52 60 61 65 74 78 80 96 104 111 120 122 130 148 156 160 183 185 195 208 222 240 244 260 296 305 312 366 370 390 416 444 480 481 488 520 555 592 610 624 732 740 780 793 888 915 962 976 1040 1093 1110 1184 1220 1248 1443 1464 1480 1560 1586 1776 1830 1924 1952 2080 2186 2220 2257 2379 2405 2440 2886 2928 2960 3120 3172 3279 3552 3660 3848 3965 4372 4440 4514 4733 4758 4810 4880 5465 5772 5856 5920 6240 6344 6558 6771 7215 7320 7696 7930 8744 8880 9028 9466 9516 9620 9760 10930 11285 11544 11895 12688 13116 13542 14199 14209 14430 14640 15392 15860 16395 17488 17760 18056 18932 19032 19240 21860 22570 23088 23665 23790 25376 26232 27084 28398 28418 28860 29280 29341 31720 32790 33855 34976 36112 37864 38064 38480 40441 42627 43720 45140 46176 47330 47580 52464 54168 56796 56836 57720 58682 61529 63440 65580 66673 67710 70995 71045 72224 75728 76128 76960 80882 85254 87440 88023 90280 94660 95160 104928 108336 113592 113672 115440 117364 121323 123058 126880 131160 133346 135420 141990 142090 146705 151456 161764 170508 174880 175121 176046 180560 184587 189320 190320 200019 202205 213135 216672 227184 227344 230880 234728 242646 246116 262320 266692 270840 283980 284180 288713 293410 307645 323528 333365 341016 350242 352092 361120 369174 378640 380640 400038 404410 426270 440115 454368 454688 469456 485292 492232 524640 525363 525733 533384 541680 567960 568360 577426 586820 606615 615290 647056 666730 682032 700484 704184 738348 757280 800076 808820 852540 866139 866749 875605 880230 922935 938912 970584 984464 1000095 1050726 1051466 1066768 1083360 1135920 1136720 1154852 1173640 1213230 1230580 1294112 1333460 1364064 1400968 1408368 1443565 1476696 1577199 1600152 1617640 1705080 1732278 1733498 1751210 1760460 1845870 1941168 1968928 2000190 2101452 2102932 2133536 2271840 2273440 2276573 2309704 2347280 2426460 2461160 2466901 2600247 2626815 2628665 2666920 2801936 2816736 2887130 2953392 3154398 3200304 3235280 3410160 3464556 3466996 3502420 3520920 3691740 3753269 3882336 4000380 4202904 4205864 4330695 4333745 4553146 4619408 4694560 4852920 4922320 4933802 5173169 5200494 5253630 5257330 5333840 5603872 5774260 5906784 6308796 6400608 6470560 6820320 6829719 6929112 6933992 7004840 7041840 7383480 7400703 7506538 7885995 8000760 8405808 8411728 8661390 8667490 9106292 9238816 9705840 9844640 9867604 10346338 10400988 10507260 10514660 10667680 10682381 11259807 11382865 11548520 12334505 12617592 13001235 13659438 13858224 13867984 14009680 14083680 14766960 14801406 15013076 15519507 15771990 16001520 16811616 16823456 17322780 17334980 18212584 18766345 19411680 19735208 20692676 20801976 21014520 21029320 21364762 22519614 22765730 23097040 24669010 25235184 25865845 26002470 27318876 27716448 27735968 28019360 29533920 29602812 30026152 31039014 31543980 32003040 32047143 32069713 34148595 34645560 34669960 36425168 37003515 37532690 39470416 41385352 41603952 42029040 42058640 42729524 45039228 45531460 46194080 49338020 50470368 51731690 52004940 53411905 54637752 56299035 59205624 60052304 62078028 63087960 64094286 64139426 67251197 68297190 69291120 69339920 72850336 74007030 75065380 77597535 78940832 82770704 83207904 84058080 84117280 85459048 90078456 91062920 96209139 98676040 103463380 104009880 106823810 109275504 112598070 118411248 120104608 124156056 126175920 128188572 128278852 134502394 136594380 138582240 138679840 138870953 148014060 150130760 155195070 160235715 160348565 165541408 170918096 180156912 182125840 191407253 192418278 197352080 201753591 206926760 208019760 213647620 218551008 225196140 236822496 248312112 252351840 256377144 256557704 269004788 273188760 277741906 296028120 300261520 310390140 315563309 320471430 320697130 336255985 341836192 360313824 364251680 382814506 384836556 394704160 403507182 413853520 416039520 416612859 427295240 450392280 481045695 496624224 512754288 513115408 538009576 546377520 555483812 574221759 592056240 600523040 620780280 631126618 640942860 641394260 672511970 694354765 765629012 769673112 807014364 827707040 833225718 854590480 900784560 946689927 957036265 962091390 1008767955 1025508576 1026230816 1076019152 1092755040 1110967624 1148443518 1184112480 1241560560 1262253236 1281885720 1282788520 1345023940 1388709530 1531258024 1539346224 1577816545 1614028728 1666451436 1709180960 1801569120 1893379854 1914072530 1924182780 2017535910 2083064295 2152038304 2221935248 2296887036 2483121120 2488294289 2524506472 2563771440 2565577040 2690047880 2777419060 2871108795 3062516048 3078692448 3155633090 3228057456 3332902872 3786759708 3828145060 3848365560 4035071820 4102323017 4166128590 4443870496 4593774072 4733449635 4976588578 5049012944 5127542880 5131154080 5380095760 5554838120 5742217590 6125032096 6311266180 6456114912 6665805744 7464882867 7573519416 7656290120 7696731120 8070143640 8204646034 8332257180 9187548144 9466899270 9953177156 10098025888 10760191520 11109676240 11484435180 11675842433 12306969051 12441471445 12622532360 13331611488 14929765734 15147038832 15312580240 15393462240 16140287280 16409292068 16664514360 18375096288 18933798540 19906354312 20511615085 22219352480 22968870360 23351684866 24613938102 24882942890 25245064720 29859531468 30294077664 30625160480 32280574560 32818584136 33329028720 35027527299 37324414335 37867597080 39812708624 41023230170 45937740720 46703369732 49227876204 49765885780 50490129440 58379212165 59719062936 61534845255 65637168272 66658057440 70055054598 74648828670 75735194160 79625417248 82046460340 91875481440 93406739464 98455752408 99531771560 116758424330 119438125872 123069690510 131274336544 140110109196 149297657340 151470388320 151785951629 164092920680 175137636495 186813478928 196911504816 199063543120 233516848660 238876251744 246139381020 280220218392 298595314680 303571903258 328185841360 350275272990 373626957856 393823009632 398127086240 455357854887 467033697320 492278762040 560440436784 597190629360 607143806516 656371682720 700550545980 758929758145 910715709774 934067394640 984557524080 1120880873568 1194381258720 1214287613032 1401101091960 1517859516290 1821431419548 1868134789280 1969115048160 2276789274435 2428575226064 2802202183920 3035719032580 3642862839096 4553578548870 4857150452128 5604404367840 6071438065160 7285725678192 9107157097740 12142876130320 14571451356384 18214314195480 24285752260640 36428628390960 72857256781920
• Sum of all divisors σ(n): 258285894144768
• Sum of proper divisors (its aliquot sum) s(n): 185428637362848
• 72857256781920 is an abundant number, because the sum of its proper divisors (185428637362848) is greater than itself. Its abundance is 112571380580928

Bases of 72857256781920

• Binary: 10000100100001101100110111010001110100001100000₂
• Hexadecimal: 0x424366E8E860
• Base-36: PTQ5TKHUO

Squares and roots of 72857256781920

• 72857256781920 squared (72857256781920²) is 5308179865786627834438886400
• 72857256781920 cubed (72857256781920³) is 386739423526233986166319599104172453888000
• The square root of 72857256781920 is 8535646.2427820895
• The cube root of 72857256781920 is 41766.1334436083

Scales and comparisons

• 72,857,256,781,920 seconds is equal to 2,316,635 years, 20 weeks, 6 days, 19 hours, 52 minutes.
• To count from 1 to 72,857,256,781,920 would take you about five million, seven hundred ninety-one thousand, five hundred eighty-eight 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 72857256781920 cubic inches would be around 3480.5 feet tall.

Recreational maths with 72857256781920

• 72857256781920 backwards is 02918765275827
• The number of decimal digits it has is: 14
• The sum of 72857256781920's digits is 69
• More coming soon!