21563688645120

Names of 21563688645120

• Cardinal: 21563688645120 can be written as Twenty-one trillion, five hundred sixty-three billion, six hundred eighty-eight million, six hundred forty-five thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.156368864512 × 10¹³

Factors of 21563688645120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 348

Divisors of 21563688645120

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 40 48 60 62 64 80 93 96 120 124 128 155 160 186 192 240 248 256 307 310 320 372 384 465 480 496 512 614 620 640 744 768 921 930 960 961 992 1228 1240 1280 1488 1535 1536 1842 1860 1920 1922 1984 2456 2480 2560 2883 2976 3070 3684 3720 3840 3844 3968 4605 4805 4912 4960 5766 5952 6140 7368 7440 7680 7688 7936 9210 9517 9610 9824 9920 11532 11904 12280 14415 14736 14880 15376 15872 18420 19034 19220 19648 19840 23064 23808 24560 28551 28830 29472 29760 29791 30752 36840 38068 38440 39296 39680 46128 47585 47616 49120 57102 57660 58944 59520 59582 61504 73680 76136 76880 78592 79360 89373 92256 94249 95170 98240 114204 115320 117888 119040 119164 123008 142755 147360 148955 152272 153760 157184 178746 184512 188498 190340 196480 228408 230640 235776 238080 238328 246016 282747 285510 294720 295027 297910 304544 307520 357492 369024 376996 380680 392960 446865 456816 461280 471245 471552 476656 492032 565494 571020 589440 590054 595820 609088 615040 714984 738048 753992 761360 785920 885081 893730 913632 922560 942490 953312 1130988 1142040 1178880 1180108 1191640 1218176 1230080 1413735 1429968 1475135 1476096 1507984 1522720 1770162 1787460 1827264 1845120 1884980 1906624 2261976 2284080 2357760 2360216 2383280 2436352 2460160 2827470 2859936 2921719 2950270 3015968 3045440 3540324 3574920 3654528 3690240 3769960 3813248 4425405 4523952 4568160 4720432 4766560 4872704 5654940 5719872 5843438 5900540 6031936 6090880 7080648 7149840 7309056 7380480 7539920 7626496 8765157 8850810 9047904 9136320 9145837 9440864 9533120 11309880 11439744 11686876 11801080 12063872 12181760 14161296 14299680 14608595 14618112 15079840 15252992 17530314 17701620 18095808 18272640 18291674 18881728 19066240 22619760 22879488 23373752 23602160 24127744 24363520 27437511 28322592 28599360 29217190 30159680 35060628 35403240 36191616 36545280 36583348 37763456 38132480 43825785 45239520 45729185 45758976 46747504 47204320 48255488 54875022 56645184 57198720 58434380 60319360 70121256 70806480 72383232 73090560 73166696 75526912 76264960 87651570 90479040 90573289 91458370 93495008 94408640 109750044 113290368 114397440 116868760 120638720 137187555 140242512 141612960 144766464 146333392 151053824 175303140 180958080 181146578 182916740 186990016 188817280 219500088 226580736 228794880 233737520 241277440 271719867 274375110 280485024 283225920 292666784 350606280 361916160 362293156 365833480 373980032 377634560 439000176 452866445 453161472 467475040 543439734 548750220 560970048 566451840 585333568 701212560 723832320 724586312 731666960 747960064 755269120 878000352 905732890 934950080 1086879468 1097500440 1121940096 1132903680 1170667136 1358599335 1402425120 1449172624 1463333920 1495920128 1756000704 1811465780 1869900160 2173758936 2195000880 2243880192 2265807360 2341334272 2717198670 2804850240 2807771959 2898345248 2926667840 3512001408 3622931560 3739800320 4347517872 4390001760 4487760384 4682668544 5434397340 5609700480 5615543918 5796690496 5853335680 7024002816 7245863120 7479600640 8423315877 8695035744 8780003520 10868794680 11219400960 11231087836 11593380992 11706671360 14038859795 14048005632 14491726240 16846631754 17390071488 17560007040 21737589360 22438801920 22462175672 23186761984 23413342720 28077719590 28983452480 33693263508 34780142976 35120014080 42116579385 43475178720 44924351344 46373523968 56155439180 57966904960 67386527016 69560285952 70240028160 84233158770 86950357440 89848702688 112310878360 115933809920 134773054032 139120571904 168466317540 173900714880 179697405376 224621756720 231867619840 269546108064 336932635080 347801429760 359394810752 449243513440 539092216128 673865270160 695602859520 718789621504 898487026880 1078184432256 1347730540320 1437579243008 1796974053760 2156368864512 2695461080640 3593948107520 4312737729024 5390922161280 7187896215040 10781844322560 21563688645120
• Sum of all divisors σ(n): 71467009675776
• Sum of proper divisors (its aliquot sum) s(n): 49903321030656
• 21563688645120 is an abundant number, because the sum of its proper divisors (49903321030656) is greater than itself. Its abundance is 28339632385536

Bases of 21563688645120

• Binary: 100111001110010110000000000000111001000000000₂
• Hexadecimal: 0x139CB0007200
• Base-36: 7N67ZGLXC

Squares and roots of 21563688645120

• 21563688645120 squared (21563688645120²) is 464992667983677221299814400
• 21563688645120 cubed (21563688645120³) is 10026957114663674662446001184443465728000
• The square root of 21563688645120 is 4643671.8924919749
• The cube root of 21563688645120 is 27833.9184727761

Scales and comparisons

• 21,563,688,645,120 seconds is equal to 685,658 years, 31 weeks, 16 hours, 32 minutes.
• To count from 1 to 21,563,688,645,120 would take you about one million, seven hundred fourteen thousand, one hundred forty-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 21563688645120 cubic inches would be around 2319.5 feet tall.

Recreational maths with 21563688645120

• 21563688645120 backwards is 02154688636512
• The number of decimal digits it has is: 14
• The sum of 21563688645120's digits is 57
• More coming soon!