1991249461740

Names of 1991249461740

• Cardinal: 1991249461740 can be written as One trillion, nine hundred ninety-one billion, two hundred forty-nine million, four hundred sixty-one thousand, seven hundred forty.

Scientific notation

• Scientific notation: 1.99124946174 × 10¹²

Factors of 1991249461740

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 259

Divisors of 1991249461740

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 10 11 12 14 15 20 21 22 28 30 33 35 37 42 44 55 60 66 67 70 74 77 84 105 110 111 127 132 134 140 148 154 165 185 201 210 220 222 231 254 259 268 308 330 335 370 381 385 402 407 420 444 462 469 508 518 555 635 660 670 737 740 762 770 777 804 814 889 924 938 1005 1036 1110 1155 1221 1270 1295 1340 1369 1397 1407 1474 1524 1540 1554 1628 1778 1876 1905 2010 2035 2211 2220 2310 2345 2442 2479 2540 2590 2667 2738 2794 2814 2849 2948 3108 3556 3685 3810 3885 4020 4070 4107 4191 4422 4445 4620 4690 4699 4884 4958 5159 5180 5334 5476 5588 5628 5698 6105 6845 6985 7035 7370 7437 7620 7770 8140 8214 8382 8509 8547 8844 8890 9380 9398 9583 9779 9916 10318 10668 11055 11396 12210 12395 13335 13690 13970 14070 14097 14245 14740 14874 15059 15477 15540 16428 16764 17018 17094 17353 17780 18796 19166 19558 20535 20636 20955 22110 23495 24420 24790 25527 25795 26670 27269 27380 27940 28140 28194 28490 28749 29337 29748 30118 30954 32893 34036 34188 34706 37185 38332 39116 41070 41910 42545 42735 44220 45177 46990 47915 48895 49580 50653 51054 51590 51689 52059 53340 54538 56388 56980 57498 58674 59563 60236 61908 65786 69412 70485 74370 75295 77385 81807 82140 83820 85090 85470 86765 90354 91723 93599 93980 95830 97790 98679 101306 102108 103180 103378 104118 105413 109076 114996 117348 119126 127635 131572 136345 140970 143745 146685 148740 150590 151959 154770 155067 163614 164465 170180 170940 173530 173863 178689 180708 183446 187198 190883 191660 195580 197358 202612 206756 208236 210826 225885 238252 253265 255270 258445 260295 272690 275169 280797 281940 287490 293370 297815 301180 303918 309540 310134 314833 316239 327228 328930 347060 347726 354571 357378 361823 366892 374396 381766 394716 409035 421652 451770 458615 467995 493395 506530 510540 516890 520590 521589 527065 545380 550338 557183 561594 572649 574980 586740 595630 607836 620268 629666 632478 642061 655193 657860 695452 709142 714756 723646 759795 763532 775335 818070 869315 893445 903540 917230 935990 944499 954415 986790 1008953 1013060 1033780 1041180 1043178 1054130 1063713 1085469 1100676 1114366 1123188 1145298 1191260 1217041 1259332 1264956 1284122 1310386 1375845 1403985 1418284 1447292 1519590 1550670 1574165 1581195 1636140 1671549 1738630 1772855 1786890 1809115 1834460 1871980 1888998 1908830 1912493 1926183 1965579 1973580 2017906 2086356 2108260 2127426 2170938 2203831 2228732 2290596 2434082 2568244 2607945 2620772 2751690 2785915 2807970 2863245 3026859 3039180 3101340 3148330 3162390 3210305 3275965 3343098 3393751 3463163 3477260 3545710 3573780 3618230 3651123 3777996 3817660 3824986 3852366 3900281 3931158 4035812 4254852 4341876 4407662 4722495 4868164 5044765 5215890 5318565 5427345 5503380 5571830 5615940 5726490 5737479 6053718 6085205 6296660 6324780 6420610 6432931 6551930 6611493 6686196 6787502 6926326 7062671 7091420 7236460 7302246 7649972 7704732 7800562 7862316 8357745 8815324 9444990 9562465 9630915 9827895 10089530 10181253 10389489 10431780 10637130 10854690 11019155 11143660 11452980 11474958 11648821 11700843 12107436 12170410 12841220 12865862 13103860 13222986 13387451 13575004 13852652 14125342 14604492 15134295 15601124 16715490 16968755 17315815 18255615 18889980 19124930 19261830 19298793 19501405 19655790 20179060 20362506 20778978 21188013 21274260 21709380 22038310 22949916 23297642 23401686 23756257 24242141 24340820 25731724 26445972 26774902 28250684 28687395 30268590 32164655 33057465 33430980 33937510 34631630 34946463 35313355 36511230 37331261 38249860 38523660 38597586 39002810 39311580 40162353 40725012 41557956 42376026 44076620 45030517 46595284 46803372 47512514 48484282 50906265 51947445 53549804 57374790 58244105 58504215 60537180 64329310 66114930 66937255 67875020 69263260 69892926 70626710 70762241 71268771 72726423 73022460 74662522 77195172 78005620 80324706 81541747 84752052 90061034 95025028 96493965 96968564 101812530 103894890 105940065 111993783 114749580 116488210 117008430 118781285 121210705 128137031 128658620 132229860 133874510 135091551 139785852 141253420 141524482 142537542 145452846 149325044 160649412 163083494 174732315 180122068 186656305 192987930 200811765 203625060 207789780 211880130 212286723 223987566 225152585 232976420 234016860 237562570 242421410 244625241 256274062 261318827 267749020 270183102 283048964 285075084 290905692 326166988 349464630 353811205 356343855 363632115 373312610 384411093 385975860 401623530 407708735 423760260 424573446 431006377 447975132 450305170 475125140 484842820 489250482 495335687 512548124 522637654 540366204 559968915 640685155 675457755 698929260 707622410 712687710 727264230 746625220 768822186 783956481 803247060 815417470 849146892 862012754 896959217 900610340 978500964 990671374 1045275308 1061433615 1119937830 1223126205 1281370310 1293019131 1306594135 1350915510 1415244820 1425375420 1454528460 1486007061 1537644372 1567912962 1630834940 1724025508 1793918434 1922055465 1981342748 2122867230 2155031885 2239875660 2446252410 2476678435 2562740620 2586038262 2613188270 2690877651 2701831020 2972014122 3017044639 3135825924 3587836868 3844110930 3919782405 4245734460 4310063770 4484796085 4741070147 4892504820 4953356870 5172076524 5226376540 5381755302 5944028244 6034089278 6465095655 7430035305 7688221860 7839564810 8620127540 8969592170 9051133917 9482140294 9906713740 10763510604 12068178556 12930191310 13454388255 14223210441 14860070610 15085223195 15679129620 17939184340 18102267834 18964280588 23705350735 25860382620 26908776510 28446420882 29720141220 30170446390 33187491029 36204535668 45255669585 47410701470 53817553020 56892841764 60340892780 66374982058 71116052205 90511339170 94821402940 99562473087 132749964116 142232104410 165937455145 181022678340 199124946174 284464208820 331874910290 398249892348 497812365435 663749820580 995624730870 1991249461740
• Sum of all divisors σ(n): 7308084510720
• Sum of proper divisors (its aliquot sum) s(n): 5316835048980
• 1991249461740 is an abundant number, because the sum of its proper divisors (5316835048980) is greater than itself. Its abundance is 3325585587240

Bases of 1991249461740

• Binary: 11100111110011111101101111000000111101100₂
• Hexadecimal: 0x1CF9FB781EC
• Base-36: PERMIM0C

Squares and roots of 1991249461740

• 1991249461740 squared (1991249461740²) is 3965074418879839723827600
• 1991249461740 cubed (1991249461740³) is 7895452302353524143809178752556024000
• The square root of 1991249461740 is 1411116.3884456873
• The cube root of 1991249461740 is 12580.8086562069

Scales and comparisons

• 1,991,249,461,740 seconds is equal to 63,315 years, 29 weeks, 5 days, 18 hours, 29 minutes.
• To count from 1 to 1,991,249,461,740 would take you about one hundred fifty-eight thousand, two 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 1991249461740 cubic inches would be around 1048.4 feet tall.

Recreational maths with 1991249461740

• 1991249461740 backwards is 0471649421991
• The number of decimal digits it has is: 13
• The sum of 1991249461740's digits is 57
• More coming soon!