21387402810000

Names of 21387402810000

• Cardinal: 21387402810000 can be written as Twenty-one trillion, three hundred eighty-seven billion, four hundred two million, eight hundred ten thousand.

Scientific notation

• Scientific notation: 2.138740281 × 10¹³

Factors of 21387402810000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 582

Divisors of 21387402810000

• Number of divisors d(n): 750
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 36 40 45 48 50 54 60 72 75 80 81 90 100 108 120 125 135 144 150 162 180 200 216 225 240 241 250 270 300 324 331 360 375 400 405 432 450 482 500 540 600 625 648 662 675 720 723 750 810 900 964 993 1000 1080 1125 1200 1205 1250 1296 1324 1350 1446 1500 1620 1655 1800 1875 1928 1986 2000 2025 2160 2169 2250 2410 2500 2648 2700 2892 2979 3000 3240 3310 3375 3600 3615 3750 3856 3972 4050 4338 4500 4820 4965 5000 5296 5400 5625 5784 5958 6000 6025 6480 6507 6620 6750 7230 7500 7944 8100 8275 8676 8937 9000 9640 9930 10000 10125 10800 10845 11250 11568 11916 12050 13014 13240 13500 14460 14895 15000 15888 16200 16550 16875 17352 17874 18000 18075 19280 19521 19860 20250 21690 22500 23832 24100 24825 26028 26480 26811 27000 28920 29790 30000 30125 32400 32535 33100 33750 34704 35748 36150 39042 39720 40500 41375 43380 44685 45000 47664 48200 49650 50625 52056 53622 54000 54225 57840 59580 60250 65070 66200 67500 71496 72300 74475 78084 79440 79771 81000 82750 86760 89370 90000 90375 96400 97605 99300 101250 104112 107244 108450 109561 119160 120500 124125 130140 132400 134055 135000 142992 144600 148950 150625 156168 159542 162000 162675 165500 173520 178740 180750 195210 198600 202500 206875 214488 216900 219122 223425 238320 239313 241000 248250 260280 268110 270000 271125 289200 297900 301250 312336 319084 325350 328683 331000 357480 361500 372375 390420 397200 398855 405000 413750 428976 433800 438244 446850 451875 478626 482000 488025 496500 520560 536220 542250 547805 595800 602500 620625 638168 650700 657366 662000 670275 714960 717939 723000 744750 780840 797710 810000 813375 827500 867600 876488 893700 903750 957252 976050 986049 993000 1072440 1084500 1095610 1117125 1191600 1196565 1205000 1241250 1276336 1301400 1314732 1340550 1355625 1435878 1446000 1489500 1561680 1595420 1626750 1643415 1655000 1752976 1787400 1807500 1861875 1914504 1952100 1972098 1986000 1994275 2144880 2153817 2169000 2191220 2234250 2393130 2410000 2440125 2482500 2602800 2629464 2681100 2711250 2739025 2871756 2958147 2979000 3190840 3253500 3286830 3310000 3351375 3574800 3589695 3615000 3723750 3829008 3904200 3944196 3988550 4066875 4307634 4338000 4382440 4468500 4786260 4880250 4930245 4965000 5258928 5362200 5422500 5478050 5585625 5743512 5916294 5958000 5982825 6381680 6461451 6507000 6573660 6702750 7179390 7230000 7447500 7808400 7888392 7977100 8133750 8217075 8615268 8764880 8874441 8937000 9572520 9760500 9860490 9930000 9971375 10724400 10769085 10845000 10956100 11171250 11487024 11832588 11965650 12200625 12922902 13014000 13147320 13405500 13695125 14358780 14790735 14895000 15776784 15954200 16267500 16434150 16756875 17230536 17748882 17874000 17948475 19145040 19521000 19720980 19942750 21538170 21690000 21912200 22342500 23665176 23931300 24401250 24651225 25845804 26294640 26404201 26811000 27390250 28717560 29581470 29790000 29914125 31908400 32307255 32535000 32868300 33513750 34461072 35497764 35896950 39042000 39441960 39885500 41085375 43076340 43824400 44372205 44685000 47330352 47862600 48802500 49302450 49856875 51691608 52808402 53622000 53845425 54780500 57435120 59162940 59828250 64614510 65070000 65736600 67027500 68475625 70995528 71793900 73953675 78883920 79212603 79771000 82170750 86152680 88744410 89370000 89742375 95725200 97605000 98604900 99713750 103383216 105616804 107690850 109561000 118325880 119656500 123256125 129229020 131473200 132021005 134055000 136951250 141991056 143587800 147907350 149570625 158425206 159542000 161536275 164341500 172305360 177488820 179484750 195210000 197209800 199427500 205426875 211233608 215381700 219122000 221861025 236651760 237637809 239313000 246512250 258458040 264042010 268110000 269227125 273902500 287175600 295814700 299141250 316850412 323072550 328683000 354977640 358969500 369768375 394419600 396063015 398855000 410853750 422467216 430763400 443722050 448711875 475275618 478626000 493024500 516916080 528084020 538454250 547805000 591629400 598282500 616280625 633700824 646145100 657366000 660105025 709955280 712913427 717939000 739536750 792126030 797710000 807681375 821707500 861526800 887444100 897423750 950551236 986049000 1056168040 1076908500 1095610000 1109305125 1183258800 1188189045 1196565000 1232561250 1267401648 1292290200 1320210050 1346135625 1425826854 1435878000 1479073500 1584252060 1615362750 1643415000 1774888200 1794847500 1848841875 1901102472 1972098000 1980315075 2112336080 2138740281 2153817000 2218610250 2376378090 2393130000 2465122500 2584580400 2640420100 2692271250 2851653708 2958147000 3168504120 3230725500 3286830000 3300525125 3549776400 3564567135 3589695000 3697683750 3802204944 3960630150 4038406875 4277480562 4307634000 4437220500 4752756180 4930245000 5280840200 5384542500 5546525625 5703307416 5916294000 5940945225 6337008240 6461451000 6601050250 7129134270 7179390000 7395367500 7921260300 8076813750 8554961124 8874441000 9505512360 9860490000 9901575375 10561680400 10693701405 10769085000 11093051250 11406614832 11881890450 12922902000 13202100500 14258268540 14790735000 15842520600 16153627500 16502625625 17109922248 17748882000 17822835675 19011024720 19803150750 21387402810 21538170000 22186102500 23763780900 26404201000 28516537080 29581470000 29704726125 31685041200 32307255000 33005251250 34219844496 35645671350 39606301500 42774805620 44372205000 47527561800 49507876875 52808402000 53468507025 57033074160 59409452250 64614510000 66010502500 71291342700 79212603000 85549611240 88744410000 89114178375 95055123600 99015753750 106937014050 118818904500 132021005000 142582685400 148523630625 158425206000 171099222480 178228356750 198031507500 213874028100 237637809000 264042010000 267342535125 285165370800 297047261250 356456713500 396063015000 427748056200 445570891875 475275618000 534685070250 594094522500 712913427000 792126030000 855496112400 891141783750 1069370140500 1188189045000 1336712675625 1425826854000 1782283567500 2138740281000 2376378090000 2673425351250 3564567135000 4277480562000 5346850702500 7129134270000 10693701405000 21387402810000
• Sum of all divisors σ(n): 77908257944286
• Sum of proper divisors (its aliquot sum) s(n): 56520855134286
• 21387402810000 is an abundant number, because the sum of its proper divisors (56520855134286) is greater than itself. Its abundance is 35133452324286

Bases of 21387402810000

• Binary: 100110111001110100100100011000001001010010000₂
• Hexadecimal: 0x1373A48C1290
• Base-36: 7KX8JFD00

Squares and roots of 21387402810000

• 21387402810000 squared (21387402810000²) is 457420998957195896100000000
• 21387402810000 cubed (21387402810000³) is 9783047158450138577969608041000000000000
• The square root of 21387402810000 is 4624651.6420158611
• The cube root of 21387402810000 is 27757.8622572445

Scales and comparisons

• 21,387,402,810,000 seconds is equal to 680,053 years, 13 weeks, 1 day, 9 hours.
• To count from 1 to 21,387,402,810,000 would take you about one million, seven hundred thousand, one hundred thirty-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 21387402810000 cubic inches would be around 2313.2 feet tall.

Recreational maths with 21387402810000

• 21387402810000 backwards is 00001820478312
• 21387402810000 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21387402810000's digits is 36
• More coming soon!