31145394787020

Names of 31145394787020

• Cardinal: 31145394787020 can be written as Thirty-one trillion, one hundred forty-five billion, three hundred ninety-four million, seven hundred eighty-seven thousand and twenty.

Scientific notation

• Scientific notation: 3.114539478702 × 10¹³

Factors of 31145394787020

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 233

Divisors of 31145394787020

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 19 20 27 30 31 36 38 45 54 57 60 62 76 90 93 95 108 114 124 135 155 171 173 180 186 190 228 270 279 285 310 342 346 361 372 380 465 513 519 540 558 570 589 620 684 692 722 837 855 865 930 961 1026 1038 1083 1116 1140 1178 1395 1444 1557 1674 1710 1730 1767 1805 1860 1922 2052 2076 2166 2356 2565 2595 2790 2883 2945 3114 3249 3287 3348 3420 3460 3534 3610 3844 4185 4332 4671 4805 5130 5190 5301 5363 5415 5580 5766 5890 6228 6498 6574 7068 7220 7785 8370 8649 8835 9342 9610 9747 9861 10260 10380 10602 10726 10830 11191 11532 11780 12996 13148 14415 15570 15903 16089 16245 16435 16740 17298 17670 18259 18684 19220 19494 19722 21204 21452 21660 22382 23355 25947 26505 26815 28830 29583 29791 31140 31806 32178 32490 32870 33573 34596 35340 36518 38988 39444 43245 44764 46710 48267 48735 49305 51894 53010 53630 54777 55955 57660 59166 59582 62453 63612 64356 64980 65740 67146 73036 79515 80445 86490 88749 89373 91295 93420 96534 97470 98610 100719 101897 103788 106020 107260 109554 111910 118332 119164 124906 129735 134292 144801 147915 148955 159030 160890 164331 166253 167865 172980 177498 178746 182590 187359 193068 194940 197220 201438 203794 219108 223820 241335 249812 259470 268119 273885 289602 295830 297910 302157 305691 312265 318060 321780 328662 332506 335730 346921 354996 357492 365180 374718 402876 407588 443745 446865 482670 492993 498759 503595 509485 518940 536238 547770 562077 566029 579204 591660 595820 604314 611382 624530 657324 665012 671460 693842 724005 749436 804357 821655 831265 887490 893730 917073 923521 936795 965340 985986 997518 1007190 1018970 1040763 1072476 1095540 1124154 1132058 1208628 1222764 1249060 1340595 1387684 1448010 1496277 1510785 1528455 1608714 1643310 1662530 1686231 1698087 1734605 1774980 1787460 1834146 1847042 1873590 1936043 1971972 1995036 2014380 2037940 2081526 2248308 2264116 2464965 2493795 2681190 2751219 2770563 2810385 2830145 2896020 2992554 3021570 3056910 3122289 3158807 3217428 3286620 3325060 3372462 3396174 3469210 3668292 3694084 3747180 3872086 4021785 4163052 4488831 4585365 4617605 4929930 4987590 5094261 5153843 5203815 5362380 5502438 5541126 5620770 5660290 5808129 5985108 6043140 6113820 6244578 6317614 6744924 6792348 6938420 7481385 7744172 8043570 8311689 8431155 8490435 8977662 9170730 9235210 9366867 9476421 9680215 9859860 9975180 10188522 10307686 10407630 10754551 11004876 11082252 11241540 11320580 11616258 12489156 12635228 13756095 13852815 14962770 15282783 15461529 15611445 15794035 16087140 16623378 16862310 16980870 17424387 17546899 17955324 18341460 18470420 18733734 18952842 19360430 20377044 20615372 20815260 21509102 22444155 23232516 24935067 25471305 25769215 27512190 27705630 28429263 29040645 29925540 30565566 30923058 31222890 31588070 32263653 33246756 33724620 33961740 34848774 35093798 37467468 37905684 38720860 41558445 43018204 44888310 46384587 46834335 47382105 49870134 50942610 51538430 52273161 52640697 53772755 55024380 55411260 56858526 58081290 60017333 61131132 61846116 62445780 63176140 64527306 69697548 70187596 76413915 77307645 83116890 85287789 87121935 87734495 89776620 92769174 93668670 94764210 96790959 97923017 99740268 101885220 103076860 104546322 105281394 107545510 113717052 116162580 120034666 124675335 129054612 139153761 142146315 152827830 154615290 157922091 159769133 161318265 166233780 170575578 174243870 175468990 180051999 185538348 187337340 189528420 193581918 195846034 209092644 210562788 215091020 231922935 240069332 249350670 261365805 263203485 278307522 284292630 290372877 293769051 300086665 305655660 309230580 315844182 319538266 322636530 333391081 341151156 348487740 350937980 360103998 387163836 391692068 426438945 463845870 473766273 479307399 483954795 489615085 498701340 522731610 526406970 540155997 556615044 568585260 580745754 587538102 600173330 631688364 639076532 645273060 666782162 695768805 720207996 789610455 798845665 852877890 881307153 900259995 927691740 947532546 958614798 967909590 979230170 1000173243 1045463220 1052813940 1080311994 1161491508 1175076204 1200346660 1333564324 1391537610 1437922197 1451864385 1468845255 1579220910 1597691330 1620467991 1666955405 1705755780 1762614306 1800519990 1860537323 1895065092 1917229596 1935819180 1958460340 2000346486 2160623988 2368831365 2396536995 2643921459 2700779985 2783075220 2875844394 2903728770 2937690510 3000519729 3035613527 3158441820 3195382660 3240935982 3333910810 3525228612 3601039980 3721074646 4000692972 4313766591 4406535765 4737662730 4793073990 5000866215 5287842918 5401559970 5581611969 5751688788 5807457540 5875381020 6001039458 6071227054 6481871964 6667821620 7189610985 7442149292 8102339955 8627533182 8813071530 9001559187 9106840581 9302686615 9475325460 9586147980 10001732430 10575685836 10803119940 11163223938 12002078916 12142454108 13219607295 14379221970 15002598645 15178067635 16204679910 16744835907 17255066364 17626143060 18003118374 18213681162 18605373230 20003464860 21568832955 22326447876 26439214590 27320521743 27908059845 28758443940 30005197290 30356135270 32409359820 33489671814 36006236748 36427362324 37210746460 43137665910 45007795935 45534202905 50234507721 52878429180 54641043486 55816119690 57676657013 60010394580 60712270540 66979343628 81961565229 83724179535 86275331820 90015591870 91068405810 100469015442 109282086972 111632239380 115353314026 136602608715 163923130458 167448359070 173029971039 180031183740 182136811620 200938030884 230706628052 251172538605 273205217430 288383285065 327846260916 334896718140 346059942078 409807826145 502345077210 519089913117 546410434860 576766570130 692119884156 819615652290 865149855195 1004690154420 1038179826234 1153533140260 1557269739351 1639231304580 1730299710390 2076359652468 2595449565585 3114539478702 3460599420780 5190899131170 6229078957404 7786348696755 10381798262340 15572697393510 31145394787020
• Sum of all divisors σ(n): 106284688725600
• Sum of proper divisors (its aliquot sum) s(n): 75139293938580
• 31145394787020 is an abundant number, because the sum of its proper divisors (75139293938580) is greater than itself. Its abundance is 43993899151560

Bases of 31145394787020

• Binary: 111000101001110011010001100010101001011001100₂
• Hexadecimal: 0x1C539A3152CC
• Base-36: B1FZVWM30

Squares and roots of 31145394787020

• 31145394787020 squared (31145394787020²) is 970035616439332591160480400
• 31145394787020 cubed (31145394787020³) is 30212142231473321498817615182398884408000
• The square root of 31145394787020 is 5580805.9262995341
• The cube root of 31145394787020 is 31462.8418104445

Scales and comparisons

• 31,145,394,787,020 seconds is equal to 990,327 years, 11 weeks, 1 day, 7 hours, 57 minutes.
• To count from 1 to 31,145,394,787,020 would take you about two million, four hundred seventy-five thousand, eight hundred eighteen 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 31145394787020 cubic inches would be around 2621.9 feet tall.

Recreational maths with 31145394787020

• 31145394787020 backwards is 02078749354113
• 31145394787020 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 31145394787020's digits is 54
• More coming soon!