31891112897490

Names of 31891112897490

• Cardinal: 31891112897490 can be written as Thirty-one trillion, eight hundred ninety-one billion, one hundred twelve million, eight hundred ninety-seven thousand, four hundred ninety.

Scientific notation

• Scientific notation: 3.189111289749 × 10¹³

Factors of 31891112897490

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 8524

Divisors of 31891112897490

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 14 15 18 21 22 30 33 35 41 42 45 55 63 66 70 71 77 82 90 99 105 110 123 126 142 154 165 193 198 205 210 213 231 246 287 315 330 355 369 385 386 410 426 451 462 495 497 574 579 615 630 639 693 710 738 770 781 861 902 965 990 994 1065 1155 1158 1230 1278 1351 1353 1386 1435 1491 1562 1722 1737 1845 1930 2123 2130 2255 2310 2343 2485 2583 2702 2706 2870 2895 2911 2982 3157 3195 3465 3474 3690 3905 4053 4059 4246 4305 4473 4510 4686 4970 5166 5467 5790 5822 6314 6369 6390 6755 6765 6930 7029 7455 7810 7913 8106 8118 8191 8610 8685 8733 8946 9471 10615 10934 11715 12159 12738 12915 13510 13530 13703 14058 14555 14861 14910 15785 15826 16382 16401 17370 17466 18942 19107 20265 20295 20377 21230 22365 23430 23739 24318 24573 25830 26199 27335 27406 28413 29110 29722 31570 31845 32021 32802 35145 38214 39565 40530 40590 40754 40955 41109 43665 44583 44730 47355 47478 49146 49203 52398 54670 55391 56826 57337 60795 61131 63690 64042 68515 70290 71217 73719 74305 79130 81910 82005 82218 87043 87330 89166 90101 94710 95535 95921 96063 98406 101885 110782 114674 118695 121590 122262 122865 123327 130995 133749 137030 142065 142434 147438 148610 150733 160105 164010 166173 172011 174086 180202 183393 191070 191842 192126 203770 205545 222915 224147 237390 245730 246015 246654 261129 261990 267498 270303 276955 284130 286685 287763 288189 301466 305655 320210 332346 335831 344022 356085 366786 368595 411090 435215 445830 448294 450505 452199 479605 480315 492030 498519 516033 522258 540606 553910 561823 573370 575526 576378 581561 609301 611310 616635 630707 668745 671662 672441 712170 737190 753665 783387 810909 830865 860055 863289 870430 901010 904398 916965 959210 960630 997038 1007493 1032066 1055131 1120735 1123646 1163122 1218602 1233270 1261414 1305645 1337490 1344882 1351515 1356597 1438815 1440945 1507330 1566774 1580863 1621818 1661730 1679155 1685469 1720110 1726578 1744683 1827903 1833930 1892121 2014986 2017323 2110262 2241470 2260995 2350817 2492595 2580165 2611290 2703030 2713194 2809115 2877630 2881890 2907805 3022479 3046505 3153535 3161726 3165393 3358310 3362205 3370938 3489366 3655806 3694141 3784242 3916935 3932761 4034646 4054545 4070927 4316445 4521990 4701634 4742589 4985190 5037465 5056407 5160330 5234049 5275655 5483709 5618230 5676363 5815610 6044958 6093010 6180053 6307070 6330786 6397171 6724410 6782985 7052451 7388282 7833870 7865522 7904315 8109090 8141854 8427345 8632890 8723415 9139515 9460605 9485178 9496179 10074930 10086615 10112814 10468098 10551310 10967418 11066041 11082423 11352726 11754085 11798283 12212781 12360106 12794342 13565970 14104902 14227767 15112395 15808630 15826965 16854690 17389493 17446830 18279030 18470705 18540159 18921210 18992358 19191513 19663805 20173230 20354635 21157353 22132082 22164846 23508170 23596566 23712945 23844001 24425562 25282035 25858987 26170245 27418545 28381815 28455534 30224790 30900265 31653930 31985855 33198123 33247269 34778986 35262255 35394849 36638343 36941410 37080318 38383026 39327610 40709270 42314706 43260371 44780197 47425890 47480895 47688002 50564070 51717974 52168479 52340490 54837090 55330205 55412115 55620477 56763630 57574539 58991415 61063905 61800530 63971710 64815383 66396246 66494538 70524510 70789698 71138835 71532003 73276686 77576961 86520742 86947465 89560394 92700795 94961790 95957565 99594369 104336958 105786765 110660410 110824230 111240954 112241273 115149078 117982830 119220005 121726451 122127810 129294935 129630766 129781113 134340591 142277670 143064006 155153922 156505437 165990615 166236345 166908007 173894930 176974245 183191715 185401590 191915130 194446149 199188738 211573530 214596009 216301855 223900985 224482546 232730883 238440010 243452902 258589870 259562226 260842395 262284011 268681182 278102385 287872695 313010874 324076915 331981230 332472690 333816014 336723819 353948490 357660015 365179353 366383430 387884805 388892298 389343339 403021773 429192018 432603710 447801970 453707681 465461766 497971845 500724021 521684790 524568022 556204770 561206365 575745390 583338447 608632255 648153830 648905565 671702955 673447638 712969213 715320030 730358706 775769610 778686678 782527185 785688911 786852033 806043546 834540035 907415362 972230745 995943690 1001448042 1010171457 1072980045 1095538059 1122412730 1163654415 1166676894 1217264510 1234654003 1297811130 1311420055 1343405910 1361123043 1425938426 1502172063 1565054370 1571377822 1573704066 1669080070 1683619095 1825896765 1835988077 1944461490 1946716695 2015108865 2020342914 2138907639 2145960090 2191076118 2268538405 2327308830 2357066733 2360556099 2469308006 2503620105 2622840110 2722246086 2916692235 3004344126 3367238190 3564846065 3651793530 3671976154 3703962009 3893433390 3928444555 3934260165 4030217730 4083369129 4277815278 4537076810 4601892193 4714133466 4721112198 4990784491 5007240210 5050857285 5477690295 5507964231 5833384470 6173270015 6416722917 6805615215 7071200199 7129692130 7407924018 7510860315 7856889110 7868520330 8166738258 8642578021 9179940385 9203784386 9981568982 10101714570 10694538195 10955380590 11015928462 11111886027 11785333665 11802780495 12346540030 12833445834 13611230430 13805676579 14142400398 14972353473 15021720630 16523892693 17285156042 18359880770 18519810045 20416845645 21389076390 22223772054 23009460965 23570667330 23605560990 24953922455 25927734063 27539821155 27611353158 29944706946 32083614585 32213245351 33047785386 35356000995 37039620090 40833691290 41417029737 43212890105 44917060419 46018921930 49907844910 50620814123 51855468126 55079642310 55559430135 64167229170 64426490702 69028382895 70712001990 74861767365 77783202189 82619463465 82834059474 86425780210 89834120838 96639736053 101241628246 111118860270 129638670315 138056765790 149723534730 151862442369 155566404378 161066226755 165238926930 193279472106 207085148685 224585302095 253104070615 259277340630 289919208159 303724884738 322132453510 354345698861 388916010945 414170297370 449170604190 455587327107 483198680265 506208141230 579838416318 708691397722 759312211845 777832021890 911174654214 966397360530 1063037096583 1449596040795 1518624423690 1771728494305 2126074193166 2277936635535 2899192081590 3189111289749 3543456988610 4555873271070 5315185482915 6378222579498 10630370965830 15945556448745 31891112897490
• Sum of all divisors σ(n): 107959422025728
• Sum of proper divisors (its aliquot sum) s(n): 76068309128238
• 31891112897490 is an abundant number, because the sum of its proper divisors (76068309128238) is greater than itself. Its abundance is 44177196230748

Bases of 31891112897490

• Binary: 111010000000100111010011101001010101111010010₂
• Hexadecimal: 0x1D013A74ABD2
• Base-36: BAYKP7QOI

Squares and roots of 31891112897490

• 31891112897490 squared (31891112897490²) is 1017043081840453023248300100
• 31891112897490 cubed (31891112897490³) is 32434635744585049016138326133828056749000
• The square root of 31891112897490 is 5647221.6972144807
• The cube root of 31891112897490 is 31711.9702220329

Scales and comparisons

• 31,891,112,897,490 seconds is equal to 1,014,038 years, 38 weeks, 4 days, 23 hours, 31 minutes, 30 seconds.
• To count from 1 to 31,891,112,897,490 would take you about two million, five hundred thirty-five thousand and ninety-six 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 31891112897490 cubic inches would be around 2642.7 feet tall.

Recreational maths with 31891112897490

• 31891112897490 backwards is 09479821119813
• 31891112897490 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 31891112897490's digits is 63
• More coming soon!