20197731518640

Names of 20197731518640

• Cardinal: 20197731518640 can be written as Twenty trillion, one hundred ninety-seven billion, seven hundred thirty-one million, five hundred eighteen thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.019773151864 × 10¹³

Factors of 20197731518640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 139

Divisors of 20197731518640

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 36 39 40 43 45 48 52 54 60 65 72 73 78 80 86 90 104 108 117 120 129 130 135 144 146 156 172 180 195 208 215 216 219 234 240 258 260 270 292 312 344 351 360 365 387 390 430 432 438 468 516 520 540 559 584 585 624 645 657 688 702 720 730 774 780 860 876 936 949 1032 1040 1080 1095 1118 1161 1168 1170 1290 1314 1404 1460 1548 1560 1677 1720 1752 1755 1849 1872 1898 1935 1971 2064 2160 2190 2236 2322 2340 2580 2628 2795 2808 2847 2920 3096 3120 3139 3285 3354 3440 3504 3510 3698 3796 3870 3942 4380 4472 4644 4680 4745 5031 5160 5256 5329 5547 5590 5616 5694 5805 5840 6192 6278 6570 6708 7020 7396 7592 7740 7884 8385 8541 8760 8944 9245 9288 9360 9417 9490 9855 10062 10320 10512 10658 11094 11180 11388 11610 12556 13140 13416 14040 14235 14792 15093 15184 15480 15695 15768 15987 16641 16770 17082 17520 18490 18576 18834 18980 19710 20124 21316 22188 22360 22776 23220 24037 25112 25155 25623 26280 26645 26832 27735 28080 28251 28470 29584 30186 30960 31390 31536 31974 33282 33540 34164 36980 37668 37960 39420 40248 40807 42632 42705 44376 44720 45552 46440 47085 47961 48074 49923 50224 50310 51246 52560 53290 55470 56502 56940 60372 62780 63948 66564 67080 68328 69277 72111 73960 75336 75465 75920 78840 79935 80496 81614 83205 84753 85264 85410 88752 92880 94170 95922 96148 99846 100620 102492 106580 110940 113004 113880 120185 120744 122421 125560 127896 128115 133128 134160 134977 136656 138554 141255 143883 144222 147920 150672 150930 157680 159870 163228 166410 169506 170820 188340 191844 192296 199692 201240 204035 204984 207831 213160 216333 221880 226008 227760 229147 239805 240370 241488 244842 249615 251120 255792 256230 266256 269954 277108 282510 287766 288444 301860 319740 326456 332820 339012 341640 346385 360555 367263 376680 383688 384592 389017 399384 402480 404931 408070 409968 415662 423765 426320 432666 443760 452016 458294 479610 480740 489684 499230 512460 539908 554216 565020 575532 576888 603720 612105 623493 639480 648999 652912 665640 674885 678024 683280 687441 692770 719415 721110 734526 753360 767376 778034 798768 809862 816140 831324 847530 865332 916588 959220 961480 979368 998460 1024920 1039155 1079816 1081665 1101789 1108432 1130040 1145735 1151064 1153776 1167051 1207440 1214793 1224210 1246986 1278960 1297998 1331280 1349770 1356048 1374882 1385540 1438830 1442220 1469052 1556068 1619724 1632280 1662648 1695060 1730664 1754701 1833176 1836315 1870479 1918440 1922960 1945085 1958736 1996920 2024655 2049840 2062323 2078310 2159632 2163330 2203578 2260080 2291470 2302128 2334102 2429586 2448420 2493972 2595996 2699540 2749764 2771080 2877660 2884440 2938104 2978911 3112136 3117465 3239448 3244995 3264560 3325296 3390120 3437205 3461328 3501153 3509402 3644379 3666352 3672630 3740958 3836880 3890170 3993840 4049310 4124646 4156620 4326660 4407156 4582940 4668204 4859172 4896840 4987944 5057221 5191992 5264103 5399080 5499528 5508945 5542160 5755320 5768880 5835255 5876208 5957822 6073965 6186969 6224272 6234930 6478896 6489990 6780240 6874410 7002306 7018804 7288758 7345260 7481916 7780340 8098620 8249292 8313240 8653320 8773505 8814312 8936733 9165880 9336408 9352395 9718344 9793680 9853321 9975888 10114442 10311615 10383984 10503459 10528206 10798160 10999056 11017890 11510640 11670510 11915644 12147930 12373938 12469860 12979980 13748820 14004612 14037608 14577516 14690520 14894555 14963832 15171663 15560680 15792309 16197240 16498584 16626480 16727731 17306640 17505765 17547010 17628624 17873466 18221895 18331760 18672816 18704790 19436688 19706642 20228884 20623230 21006918 21056412 22035780 23341020 23831288 24295860 24747876 24939720 25286105 25959960 26320515 26810199 27497640 28009224 28075216 29155032 29381040 29559963 29789110 29927664 30343326 30934845 31121360 31584618 32394480 32997168 33455462 35011530 35094020 35746932 36443790 37409580 39413284 40457768 41246460 42013836 42112824 44071560 44683665 45514989 46682040 47376927 47662576 48591720 49266605 49495752 49879440 50183193 50572210 51919920 52517295 52641030 53620398 54995280 56018448 58310064 59119926 59578220 60686652 61869690 63169236 66910924 70023060 70188040 71493864 72887580 74819160 75858315 78826568 78961545 80430597 80915536 82492920 83638655 84027672 84225648 88143120 88679889 89367330 91029978 93364080 94753854 97183440 98533210 98991504 100366386 101144420 105034590 105282060 107240796 118239852 119156440 121373304 123739380 126338472 128093173 133821848 134050995 136544967 140046120 140376080 142987728 145775160 147799815 149638320 150549579 151716630 157653136 157923090 160861194 164985840 167277310 168055344 177359778 178734660 182059956 189507708 197066420 200732772 202288840 210069180 210564120 214481592 217460503 227574945 236479704 236884635 238312880 242746608 247478760 250915965 252676944 256186346 266039667 267643696 268101990 273089934 280092240 291550320 295599630 301099158 303433260 315846180 321722388 334554620 354719556 357469320 364119912 379015416 384279519 394132840 401465544 402152985 404577680 420138360 421128240 428963184 434921006 443399445 451648737 455149890 472959408 473769270 494957520 501831930 512372692 532079334 536203980 546179868 591199260 602198316 606866520 631692360 640465865 643444776 652381509 669109240 682724835 709439112 714938640 719292433 728239824 752747895 758030832 768559038 788265680 802931088 804305970 840276720 869842012 886798890 903297474 910299780 947538540 1003663860 1024745384 1064158668 1072407960 1087302515 1092359736 1152838557 1182398520 1204396632 1213733040 1263384720 1280931730 1286889552 1304763018 1330198335 1338218480 1365449670 1418878224 1438584866 1505495790 1537118076 1608611940 1739684024 1773597780 1806594948 1820599560 1895077080 1921397595 1957144527 2007327720 2049490768 2128317336 2144815920 2157877299 2174605030 2184719472 2258243685 2305677114 2364797040 2408793264 2561863460 2609526036 2660396670 2730899340 2877169732 3010991580 3074236152 3217223880 3261907545 3458515671 3479368048 3547195560 3596462165 3613189896 3641199120 3790154160 3842795190 3914289054 4014655440 4256634672 4315754598 4349210060 4516487370 4611354228 5123726920 5219052072 5320793340 5461798680 5754339464 5764192785 5871433581 6021983160 6148472304 6434447760 6473631897 6523815090 6917031342 7094391120 7192924330 7226379792 7685590380 7828578108 8631509196 8698420120 9032974740 9222708456 9350801629 9785722635 10247453840 10438104144 10641586680 10789386495 10923597360 11508678928 11528385570 11742867162 12043966320 12947263794 13047630180 13834062684 14385848660 15371180760 15657156216 17263018392 17292578355 17396840240 18065949480 18445416912 18701603258 19420895691 19571445270 21283173360 21578772990 23056771140 23485734324 25894527588 26095260360 27668125368 28052404887 28771697320 29357167905 30742361520 31314312432 32368159485 34526036784 34585156710 36131898960 37403206516 38841791382 39142890540 43157545980 46113542280 46754008145 46971468648 51789055176 52190520720 55336250736 56104809774 57543394640 58714335810 64736318970 69170313420 74806413032 77683582764 78285781080 84157214661 86315091960 92227084560 93508016290 93942937296 97104478455 103578110352 112209619548 117428671620 129472637940 138340626840 140262024435 149612826064 155367165528 156571562160 168314429322 172630183920 187016032580 194208956910 224419239096 234857343240 252471643983 258945275880 276681253680 280524048870 310734331056 336628858644 374032065160 388417913820 420786073305 448838478192 469714686480 504943287966 517890551760 561048097740 673257717288 748064130320 776835827640 841572146610 1009886575932 1122096195480 1262358219915 1346515434576 1553671655280 1683144293220 2019773151864 2244192390960 2524716439830 3366288586440 4039546303728 5049432879660 6732577172880 10098865759320 20197731518640
• Sum of all divisors σ(n): 77769716169600
• Sum of proper divisors (its aliquot sum) s(n): 57571984650960
• 20197731518640 is an abundant number, because the sum of its proper divisors (57571984650960) is greater than itself. Its abundance is 37374253132320

Bases of 20197731518640

• Binary: 100100101111010100110100111001100100010110000₂
• Hexadecimal: 0x125EA69CC8B0
• Base-36: 75QPJUTO0

Squares and roots of 20197731518640

• 20197731518640 squared (20197731518640²) is 407948358499063680667449600
• 20197731518640 cubed (20197731518640³) is 8239631418433988625945434818223660544000
• The square root of 20197731518640 is 4494188.6385241997
• The cube root of 20197731518640 is 27233.3372951673

Scales and comparisons

• 20,197,731,518,640 seconds is equal to 642,225 years, 20 weeks, 17 hours, 24 minutes.
• To count from 1 to 20,197,731,518,640 would take you about one million, six hundred five thousand, five hundred sixty-three 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 20197731518640 cubic inches would be around 2269.4 feet tall.

Recreational maths with 20197731518640

• 20197731518640 backwards is 04681513779102
• 20197731518640 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20197731518640's digits is 54
• More coming soon!