20289974839920

Names of 20289974839920

• Cardinal: 20289974839920 can be written as Twenty trillion, two hundred eighty-nine billion, nine hundred seventy-four million, eight hundred thirty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.028997483992 × 10¹³

Factors of 20289974839920

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1753

Divisors of 20289974839920

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 30 34 36 40 41 45 48 51 60 68 71 72 80 82 85 90 102 120 123 136 142 144 153 164 170 180 204 205 213 240 246 255 272 284 306 328 340 355 360 369 408 410 426 492 510 521 568 612 615 639 656 680 697 710 720 738 765 816 820 852 984 1020 1042 1065 1093 1136 1207 1224 1230 1278 1360 1394 1420 1476 1530 1563 1640 1704 1845 1968 2040 2084 2091 2130 2186 2414 2448 2460 2556 2605 2788 2840 2911 2952 3060 3126 3195 3279 3280 3408 3485 3621 3690 4080 4168 4182 4260 4372 4689 4828 4920 5112 5210 5465 5576 5680 5822 5904 6035 6120 6252 6273 6390 6558 6970 7242 7380 7815 8336 8364 8520 8733 8744 8857 9378 9656 9837 9840 10224 10420 10455 10863 10930 11152 11644 12070 12240 12504 12546 12780 13116 13940 14484 14555 14760 15630 16395 16728 17040 17466 17488 17714 18105 18581 18756 19312 19674 20840 20910 21361 21726 21860 23288 23445 24140 25008 25092 25560 26199 26232 26571 27880 28968 29110 29520 31260 31365 32790 33456 34932 35428 36210 36991 37162 37512 39348 41680 41820 42722 43452 43665 43720 44285 44813 46576 46890 48280 49185 49487 50184 51120 52398 52464 53142 54315 55743 55760 57936 58220 62520 62730 64083 65580 69864 70856 72420 73982 74324 75024 77603 78696 79713 83640 85444 86904 87330 87440 88570 89626 92905 93780 96560 98370 98974 100368 104796 106284 106805 108630 110973 111486 116440 125040 125460 128166 130995 131160 132855 134439 139728 141712 144840 147964 148461 148648 155206 157392 159426 167229 167280 170888 173808 174660 177140 179252 184955 185810 187560 192249 196740 197948 209592 212568 213610 217260 221946 222972 224065 232809 232880 247435 250920 256332 261990 262320 265710 268878 278715 289680 295928 296922 297296 310412 318852 320415 332919 334458 341776 349320 354280 358504 363137 369910 371620 375120 384498 388015 393480 395896 398565 403317 419184 425136 427220 434520 443892 445383 445944 448130 465618 494870 501840 512664 523980 531420 537756 554865 557430 569453 591856 593844 620824 628847 637704 640830 665838 668916 672195 698427 698640 708560 717008 726274 739820 742305 743240 761821 768996 776030 786960 791792 797130 806634 836145 854440 869040 887784 890766 891888 896260 931236 961245 989740 1025328 1047960 1062840 1075512 1089411 1109730 1114860 1138906 1164045 1187688 1241648 1257694 1275408 1281660 1319251 1331676 1337832 1344390 1396854 1452548 1479640 1484610 1486480 1516631 1523642 1537992 1552060 1594260 1613268 1664595 1672290 1708359 1708880 1775568 1781532 1792520 1815685 1862472 1886541 1922490 1979480 2016585 2095920 2125680 2151024 2178822 2219460 2226915 2229720 2277812 2285463 2328090 2375376 2515388 2563320 2638502 2663352 2675664 2688780 2793708 2847265 2905096 2959280 2969220 3033262 3047284 3075984 3104120 3144235 3181723 3188520 3226536 3268233 3329190 3344580 3416718 3492135 3563064 3585040 3631370 3724944 3773082 3809105 3844980 3957753 3958960 4033170 4357644 4438920 4453830 4459440 4549893 4555624 4570926 4656180 5030776 5125077 5126640 5277004 5326704 5377560 5447055 5587416 5659623 5694530 5810192 5938440 6066524 6094568 6208240 6288470 6363446 6377040 6453072 6536466 6596255 6658380 6689160 6833436 6856389 6984270 7126128 7262740 7546164 7583155 7618210 7689960 7915506 8066340 8541795 8715288 8877840 8907660 9099786 9111248 9141852 9312360 9432705 9545169 9680701 10061552 10250154 10554008 10755120 10894110 11174832 11319246 11389060 11427315 11873259 11876880 12133048 12189136 12576940 12726892 13072932 13192510 13316760 13378320 13649679 13666872 13712778 13968540 14525480 15092328 15166310 15236420 15379920 15831012 15908615 16132680 16341165 17083590 17430576 17815320 18199572 18283704 18624720 18865410 19090338 19361402 19788765 20500308 21108016 21788220 22638492 22749465 22778120 22854630 23347573 23746518 24266096 25153880 25453784 25625385 25782727 26145864 26385020 26633520 27299358 27333744 27425556 27937080 28298115 28635507 29042103 29050960 30184656 30332620 30472840 31662024 31817230 32265360 32682330 34167180 34281945 35630640 36399144 36567408 37730820 38180676 38722804 39577530 40431163 41000616 43576440 45276984 45498930 45556240 45709260 46695146 47493036 47725845 48403505 50307760 50907568 51250770 51565454 52291728 52770040 54089291 54598716 54851112 55874160 56596230 57271014 58084206 59366295 60665240 60945680 63324048 63634460 65364660 68248395 68334360 68563890 70042719 72798288 75461640 76361352 77348181 77445608 79155060 80862326 82001232 87126309 87152880 90553968 90997860 91418520 93390292 94986072 95451690 96807010 102501540 103130908 105540080 108178582 109197432 109702224 113192460 114542028 116168412 116737865 118732590 121293489 121330480 127268920 128913635 130729320 136496790 136668720 137127780 140085438 143177535 145210515 150923280 152722704 154696362 154891216 158310120 161724652 162267873 174252618 181995720 182837040 186780584 189972144 190903380 193614020 202155815 205003080 206261816 210128157 216357164 218394864 226384920 229084056 232044543 232336824 233475730 237465180 242586978 254537840 257827270 261458640 270446455 272993580 274255560 280170876 286355070 290421030 309392724 316620240 323449304 324535746 348505236 350213595 363880467 363991440 373561168 381806760 386740905 387228040 396908741 404311630 410006160 412523632 420256314 432714328 435631545 452769840 458168112 464089086 464673648 466951460 474930360 485173956 486803619 515654540 540892910 545987160 548511120 560341752 572710140 580842060 606467445 618785448 646898608 649071492 687329771 697010472 700427190 727760934 763613520 773481810 774456080 793817482 808623260 811339365 840512628 865428656 871263090 928178172 933902920 949860720 970347912 973607238 1031309080 1050640785 1081785820 1091974320 1120683504 1145420280 1160222715 1161684120 1190726223 1212934890 1237570896 1298142984 1374659542 1394020944 1400854380 1455521868 1546963620 1587634964 1617246520 1622678730 1657677683 1681025256 1742526180 1819402335 1856356344 1867805840 1940695824 1947214476 1984543705 2061989313 2062618160 2101281570 2163571640 2290840560 2320445430 2323368240 2381452446 2425869780 2434018095 2596285968 2749319084 2801708760 2911043736 3093927240 3175269928 3234493040 3245357460 3315355366 3362050512 3436648855 3485052360 3572178669 3638804670 3712712688 3894428952 3969087410 4123978626 4202563140 4327143280 4640890860 4762904892 4851739560 4868036190 4973033049 5498638168 5603417520 5822087472 5953631115 6185967939 6187854480 6350539856 6490714920 6630710732 6873297710 6970104720 7144357338 7277609340 7788857904 7938174820 8247957252 8288388415 8405126280 9281781720 9525809784 9703479120 9736072380 9946066098 10309946565 10997276336 11907262230 12371935878 12981429840 13261421464 13746595420 14288714676 14555218680 14919099147 15876349640 16495914504 16576776830 16810252560 17860893345 18563563440 19051619568 19472144760 19892132196 20619893130 23814524460 24743871756 24865165245 26522842928 27493190840 28180520611 28577429352 29110437360 29838198294 30929839695 31752699280 32991829008 33153553660 35721786690 38944289520 39784264392 41239786260 47629048920 49487743512 49730330490 54986381680 56361041222 57154858704 59676396588 61859679390 66307107320 71443573380 74595495735 79568528784 82479572520 84541561833 95258097840 98975487024 99460660980 112722082444 119352793176 123719358780 132614214640 140902603055 142887146760 149190991470 164959145040 169083123666 198921321960 225444164888 238705586352 247438717560 253624685499 281805206110 285774293520 298381982940 338166247332 397842643920 422707809165 450888329776 494877435120 507249370998 563610412220 596763965880 676332494664 845415618330 1014498741996 1127220824440 1193527931760 1268123427495 1352664989328 1690831236660 2028997483992 2254441648880 2536246854990 3381662473320 4057994967984 5072493709980 6763324946640 10144987419960 20289974839920
• Sum of all divisors σ(n): 75162014823168
• Sum of proper divisors (its aliquot sum) s(n): 54872039983248
• 20289974839920 is an abundant number, because the sum of its proper divisors (54872039983248) is greater than itself. Its abundance is 34582065143328

Bases of 20289974839920

• Binary: 100100111010000100000101111100010101001110000₂
• Hexadecimal: 0x127420BE2A70
• Base-36: 76X335BW0

Squares and roots of 20289974839920

• 20289974839920 squared (20289974839920²) is 411683079004586629625606400
• 20289974839920 cubed (20289974839920³) is 8353039315023860313383585545372927488000
• The square root of 20289974839920 is 4504439.4590137405
• The cube root of 20289974839920 is 27274.7326848357

Scales and comparisons

• 20,289,974,839,920 seconds is equal to 645,158 years, 22 weeks, 5 days, 18 hours, 12 minutes.
• To count from 1 to 20,289,974,839,920 would take you about one million, six hundred twelve thousand, eight hundred 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 20289974839920 cubic inches would be around 2272.9 feet tall.

Recreational maths with 20289974839920

• 20289974839920 backwards is 02993847998202
• 20289974839920 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20289974839920's digits is 72
• More coming soon!