1987290013940

Names of 1987290013940

• Cardinal: 1987290013940 can be written as One trillion, nine hundred eighty-seven billion, two hundred ninety million, thirteen thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.98729001394 × 10¹²

Factors of 1987290013940

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 295

Divisors of 1987290013940

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 4 5 7 10 11 14 19 20 22 28 29 35 38 44 49 55 58 70 76 77 83 95 98 110 116 133 139 140 145 154 166 190 196 203 209 220 245 266 278 290 308 319 332 380 385 406 415 418 490 532 539 551 556 580 581 638 665 695 770 812 830 836 841 913 931 973 980 1015 1045 1078 1102 1162 1276 1330 1390 1421 1463 1529 1540 1577 1595 1660 1682 1826 1862 1946 2030 2090 2156 2204 2233 2324 2407 2641 2660 2695 2755 2780 2842 2905 2926 3058 3154 3190 3364 3652 3724 3857 3892 4031 4060 4067 4180 4205 4466 4565 4655 4814 4865 5282 5390 5510 5684 5810 5852 5887 6061 6116 6308 6380 6391 6811 7105 7315 7645 7714 7885 8062 8134 8410 8932 9130 9251 9310 9628 9730 10241 10564 10703 10780 11020 11039 11165 11537 11620 11774 12035 12122 12782 13205 13622 14210 14630 15290 15428 15631 15770 15979 16124 16268 16820 16849 17347 18260 18487 18502 18620 19285 19460 20155 20335 20482 21406 22078 22330 23074 23548 24070 24244 25564 26410 26477 26999 27244 28217 28420 29051 29260 29435 30305 30580 31262 31540 31955 31958 33698 34055 34694 36974 37004 38570 40310 40670 40964 41209 42427 42812 44156 44341 44660 44737 45733 46148 46255 48140 51205 52820 52954 53515 53998 55195 56434 57685 58102 58870 60610 62524 63910 63916 64757 67396 68110 69388 69803 73948 74921 76589 77140 77273 78155 79895 80620 80759 81340 82418 84245 84854 86735 88682 89474 91466 92435 92510 102410 105908 107030 107996 110390 111853 112868 115370 116204 116899 117740 117943 121220 121429 126907 127820 129409 129514 132385 134995 136220 139606 141085 145255 149842 153178 154546 156310 159790 161518 164836 168490 169708 173470 175769 177364 178948 182932 184870 185020 185339 197519 203357 204820 206045 212135 214060 219203 220780 221705 223685 223706 228665 230740 233798 235886 242858 253814 258818 259028 264770 269990 279212 282170 290510 296989 299684 306356 309092 310387 312620 319580 320131 323036 323785 334573 336980 346940 349015 351538 369740 370678 374605 382945 386365 395038 403795 406714 412090 424270 438406 443410 447370 447412 453299 457330 467596 471772 485716 488621 503063 507628 517636 529540 536123 539980 559265 564340 565313 581020 584495 589715 593978 607145 620774 634535 640262 647045 647570 669146 698030 703076 741356 749210 765890 767833 772730 782971 790076 807590 813428 818293 824180 842479 848540 850003 876812 878845 886820 888349 894740 906598 914660 926695 977242 987595 1006126 1016785 1072246 1096015 1118530 1130626 1168990 1179430 1187956 1214290 1230383 1241548 1269070 1280524 1285889 1294090 1295140 1297373 1326257 1338292 1396060 1423499 1484945 1498420 1531780 1534421 1535666 1545460 1551935 1565942 1600655 1615180 1636586 1672865 1684958 1700006 1757690 1776698 1813196 1853390 1954484 1975190 2012252 2033570 2144492 2172709 2192030 2221081 2237060 2240917 2261252 2266495 2337980 2342011 2358860 2411233 2428580 2443105 2460766 2515315 2538140 2571778 2588180 2594746 2652514 2680615 2826565 2846998 2969890 3068842 3071332 3103870 3131884 3201310 3273172 3345730 3369916 3400012 3420347 3515380 3521441 3553396 3680303 3706780 3752861 3839165 3914855 3950380 4067140 4091465 4212395 4250015 4345418 4384060 4441745 4442162 4481834 4532990 4684022 4822466 4886210 4921532 5030630 5143556 5189492 5305028 5361230 5374831 5653130 5693996 5728051 5897353 5939780 6137684 6151915 6207740 6218443 6356887 6402620 6429445 6486865 6631285 6691460 6840694 7042882 7117495 7360606 7505722 7672105 7678330 7829710 8182930 8424790 8500030 8612681 8690836 8883490 8884324 8963668 9001223 9065980 9283799 9368044 9644932 9702617 9772420 10061260 10722460 10740947 10749662 10863545 11105405 11204585 11306260 11456102 11710055 11794706 12056165 12303830 12436886 12713774 12858890 12973730 13262570 13681388 14085764 14234990 14588827 14721212 15011444 15344210 15356660 15547567 15659420 16365860 16394077 16849580 16878631 17000060 17101735 17225362 17607205 17766980 18002446 18401515 18567598 18764305 19405234 21481894 21499324 21727090 22210810 22409170 22912204 23420110 23589412 24112330 24431891 24607660 24650087 24873772 25427548 25717780 25762121 25947460 26525140 26874155 28469980 28640255 29177654 29486765 30688420 31092215 31095134 31784435 32788154 33757262 34203470 34450724 35214410 36004892 36803030 37135196 37528610 37623817 38810468 41281471 42963788 43063405 43454180 44421620 44498209 44818340 45006115 46418995 46840220 48224660 48513085 48863782 49300174 51524242 53704735 53748310 57280510 58355308 58973530 62184430 62190268 63008561 63568870 64986593 65576308 67514524 67918319 68406940 69925757 70428820 72944135 73606060 75057220 75247634 77737835 81970385 82562942 84393155 86126810 88996418 90012230 92837990 97026170 97727564 98600348 102121789 103048484 106728787 107409470 107496620 108832969 114561020 117947060 118150417 122159455 123250435 124368860 126017122 127137740 128810605 129973186 135836638 139851514 145888270 150495268 155475670 163940770 165125884 168786310 171023237 172253620 177992836 180024460 180334847 184349723 185675980 188119085 194052340 204243578 206407355 213457574 214818940 217665938 222491045 236300834 244318910 246500870 252034244 257621210 259946372 271673276 279703028 291776540 310951340 311487463 315042805 324932965 327881540 337572620 339591595 342046474 349628785 360669694 368699446 376238170 408487156 412814710 426915148 435331876 444982090 472601668 475428233 488637820 489480299 493001740 510608945 515242420 533643935 544164845 590752085 622974926 630085610 649865930 679183190 684092948 699257570 714852523 721339388 737398892 747101509 752476340 825629420 855116185 889964180 901674235 921748615 950856466 978960598 1021217890 1067287870 1088329690 1181504170 1197162659 1245949852 1260171220 1290448061 1299731860 1358366380 1398515140 1429705046 1494203018 1557437315 1710232370 1803348470 1843497230 1901712932 1957921196 2027846953 2042435780 2134575740 2176659380 2363008340 2377141165 2394325318 2447401495 2580896122 2859410092 2988406036 3114874630 3420464740 3426362093 3574262615 3606696940 3686994460 3735507545 4055693906 4754282330 4788650636 4894802990 5161792244 5229710563 5985813295 6229749260 6452240305 6852724186 7148525230 7471015090 8111387812 9033136427 9508564660 9789605980 10139234765 10459421126 11971626590 12904480610 13705448372 14194928671 14297050460 14942030180 17131810465 18066272854 20278469530 20918842252 23943253180 25808961220 26148552815 28389857342 34263620930 36132545708 40556939060 45165682135 52297105630 56779714684 68527241860 70974643355 90331364270 99364500697 104594211260 141949286710 180662728540 198729001394 283898573420 397458002788 496822503485 993645006970 1987290013940
• Sum of all divisors σ(n): 5885195097600
• Sum of proper divisors (its aliquot sum) s(n): 3897905083660
• 1987290013940 is an abundant number, because the sum of its proper divisors (3897905083660) is greater than itself. Its abundance is 1910615069720

Bases of 1987290013940

• Binary: 11100111010110011101101110010000011110100₂
• Hexadecimal: 0x1CEB3B720F4
• Base-36: PCY55WJ8

Squares and roots of 1987290013940

• 1987290013940 squared (1987290013940²) is 3949321599505645394323600
• 1987290013940 cubed (1987290013940³) is 7848447376535117132794043840870984000
• The square root of 1987290013940 is 1409712.7416392319
• The cube root of 1987290013940 is 12572.4644634235

Scales and comparisons

• 1,987,290,013,940 seconds is equal to 63,189 years, 35 weeks, 19 hours, 52 minutes, 20 seconds.
• To count from 1 to 1,987,290,013,940 would take you about one hundred fifty-seven thousand, nine hundred seventy-four 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 1987290013940 cubic inches would be around 1047.7 feet tall.

Recreational maths with 1987290013940

• 1987290013940 backwards is 0493100927891
• The number of decimal digits it has is: 13
• The sum of 1987290013940's digits is 53
• More coming soon!