31381251081440

Names of 31381251081440

• Cardinal: 31381251081440 can be written as Thirty-one trillion, three hundred eighty-one billion, two hundred fifty-one million, eighty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 3.138125108144 × 10¹³

Factors of 31381251081440

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 8759

Divisors of 31381251081440

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 4 5 8 10 13 16 19 20 26 32 37 38 40 41 52 61 65 74 76 80 82 95 104 122 130 148 152 160 164 185 190 205 208 244 247 260 296 304 305 328 370 380 410 416 481 488 494 520 533 592 608 610 656 703 740 760 779 793 820 962 976 988 1040 1066 1159 1184 1220 1235 1312 1406 1480 1517 1520 1558 1586 1640 1924 1952 1976 2080 2132 2257 2318 2405 2440 2470 2501 2665 2812 2960 3034 3040 3116 3172 3280 3515 3848 3895 3952 3965 4264 4514 4636 4810 4880 4940 5002 5330 5624 5795 5920 6068 6232 6344 6560 7030 7585 7696 7790 7904 7930 8528 8581 9028 9139 9272 9620 9760 9880 10004 10127 10660 11248 11285 11590 12136 12464 12505 12688 14060 15067 15170 15392 15580 15860 17056 17162 18056 18278 18544 19240 19721 19760 20008 20254 21320 22496 22570 23180 24272 24928 25010 25376 28120 28823 29341 30134 30340 31160 31720 32513 34324 36112 36556 37088 38480 39442 39520 40016 40508 42640 42883 42905 45140 45695 46360 47519 48544 50020 50635 56240 57646 58682 60268 60680 62320 63440 65026 68648 72224 73112 75335 76960 78884 80032 81016 85280 85766 85810 90280 91390 92537 92720 95038 98605 100040 101270 111553 112480 115292 117364 120536 121360 124640 126880 130052 137296 144115 146224 146705 150670 157768 162032 162565 163039 171532 171620 180560 182780 185074 185440 190076 197210 200080 202540 214415 223106 230584 234728 237595 241072 242720 260104 274592 288230 292448 293410 301340 315536 317497 324064 325130 326078 343064 343240 351821 361120 365560 370148 374699 380152 394420 400160 405080 428830 446212 461168 462685 469456 475190 482144 520208 523441 557479 557765 576460 586820 602680 617747 631072 634994 650260 652156 686128 686480 703642 731120 740296 749398 760304 788840 810160 815195 857660 892424 922336 925370 938912 950380 1040416 1046882 1114958 1115530 1152920 1173640 1202981 1205360 1235494 1269988 1300520 1304312 1372256 1372960 1407284 1462240 1480592 1498796 1520608 1577680 1587485 1620320 1630390 1715320 1758203 1759105 1784848 1850740 1873495 1900760 2093764 2119507 2229916 2231060 2305840 2347280 2405962 2410720 2470988 2539976 2601040 2608624 2617205 2787395 2814568 2961184 2997592 3088735 3155360 3174970 3260780 3430640 3516406 3518210 3569696 3701480 3746990 3801520 4127461 4187528 4239014 4459832 4462120 4573673 4611680 4694560 4811924 4941976 5079952 5202080 5217248 5234410 5574790 5629136 5995184 6014905 6032443 6177470 6349940 6521560 6684599 6804733 6861280 7032812 7036420 7402960 7493980 7603040 8254922 8375056 8478028 8791015 8919664 8924240 9147346 9623848 9883952 9945379 10159904 10468820 10597535 11149580 11258272 11990368 12029810 12064886 12354940 12699880 13017377 13043120 13369198 13609466 14065624 14072840 14805920 14987960 16509844 16750112 16956056 17582030 17839328 17848480 18294692 19247696 19367317 19767904 19890758 20637305 20937640 21195070 21461081 22299160 22856639 22868365 24059620 24129772 24709880 25399760 26034754 26086240 26738396 27218932 28131248 28145680 29975920 30162215 33019688 33422995 33912112 34023665 35164060 36589384 38495392 38734634 39781516 41274610 41875280 42390140 42922162 44598320 45713278 45736730 48119240 48259544 49419760 49726895 50799520 52069508 53476792 54437864 56262496 56291360 59951840 60324430 65086885 66039376 66845990 67824224 68047330 70328120 73178768 77469268 78421759 79563032 82549220 83750560 84780280 85844324 86899787 89196640 91426556 91473460 96238480 96519088 96836585 98839520 99453790 104139016 106953584 107305405 108875728 114283195 120648860 129289927 130173770 132078752 133691980 136094660 140656240 146357536 154938536 156843518 159126064 165098440 169225901 169560560 171688648 173799574 182853112 182946920 192476960 193038176 193673170 198907580 208278032 213907168 214610810 217751456 228566390 241297720 247330163 251775121 258579854 260347540 267383960 272189320 278994053 281312480 309877072 313687036 318252128 330196880 338451802 339121120 343377296 347599148 365706224 365893840 367979023 387346340 392108795 397815160 407760539 416556064 429221620 434498935 457132780 482595440 494660326 503550242 517159708 520695080 534767920 544378640 557988106 619754144 627374072 646449635 660393760 676903604 686754592 695198296 731412448 731787680 735958046 774692680 784217590 794059997 795630320 815521078 846129505 858443240 868997870 914265560 965190880 989320652 1007100484 1034319416 1041390160 1069535840 1088757280 1115976212 1236650815 1254748144 1258875605 1292899270 1353807208 1390396592 1394970265 1471916092 1549385360 1568435180 1588119994 1591260640 1631042156 1692259010 1716886480 1737995740 1828531120 1839895115 1978641304 2014200968 2038802695 2068638832 2082780320 2231952424 2473301630 2509496288 2517751210 2585798540 2707614416 2780793184 2789940530 2943832184 3098770720 3136870360 3176239988 3215292119 3262084312 3384518020 3433772960 3475991480 3657062240 3679790230 3957282608 3970299985 4028401936 4077605390 4137277664 4463904848 4783727299 4946603260 5035502420 5171597080 5300887007 5415228832 5579881060 5887664368 6273740720 6352479976 6430584238 6524168624 6769036040 6951982960 7359580460 7914565216 7940599970 8056803872 8155210780 8927809696 9567454598 9893206520 10071004840 10322779961 10343194160 10601774014 11159762120 11775328736 12547481440 12704959952 12861168476 13048337248 13538072080 13903965920 14719160920 15087139943 15881199940 16076460595 16310421560 19134909196 19786413040 20142009680 20645559922 20686388320 21203548028 22319524240 23918636495 25409919904 25722336952 26504435035 27076144160 29438321840 30174279886 31762399880 32152921190 32620843120 38269818392 39572826080 40284019360 41291119844 42407096056 44639048480 47837272990 51444673904 51613899805 53008870070 58876643680 60348559772 63524799760 64305842380 65241686240 75435699715 76539636784 82582239688 84814192112 95674545980 102889347808 103227799610 106017740140 120697119544 127049599520 128611684760 150871399430 153079273568 165164479376 169628384224 191349091960 196132819259 206455599220 212035480280 241394239088 257223369520 301742798860 330328958752 382698183920 392265638518 412911198440 424070960560 482788478176 514446739040 603485597720 765396367840 784531277036 825822396880 848141921120 980664096295 1206971195440 1569062554072 1651644793760 1961328192590 2413942390880 3138125108144 3922656385180 6276250216288 7845312770360 15690625540720 31381251081440
• Sum of all divisors σ(n): 89879969813760
• Sum of proper divisors (its aliquot sum) s(n): 58498718732320
• 31381251081440 is an abundant number, because the sum of its proper divisors (58498718732320) is greater than itself. Its abundance is 27117467650880

Bases of 31381251081440

• Binary: 111001000101010000100010100101100010011100000₂
• Hexadecimal: 0x1C8A8452C4E0
• Base-36: B4GCINJKW

Squares and roots of 31381251081440

• 31381251081440 squared (31381251081440²) is 984782919436379169512473600
• 31381251081440 cubed (31381251081440³) is 30903720055546514208541201237569449984000
• The square root of 31381251081440 is 5601897.0966485987
• The cube root of 31381251081440 is 31542.0622539629

Scales and comparisons

• 31,381,251,081,440 seconds is equal to 997,826 years, 37 weeks, 1 day, 13 hours, 17 minutes, 20 seconds.
• To count from 1 to 31,381,251,081,440 would take you about two million, four hundred ninety-four thousand, five hundred sixty-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 31381251081440 cubic inches would be around 2628.5 feet tall.

Recreational maths with 31381251081440

• 31381251081440 backwards is 04418015218313
• 31381251081440 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 31381251081440's digits is 41
• More coming soon!