21289083378640

Names of 21289083378640

• Cardinal: 21289083378640 can be written as Twenty-one trillion, two hundred eighty-nine billion, eighty-three million, three hundred seventy-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.128908337864 × 10¹³

Factors of 21289083378640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 2833

Divisors of 21289083378640

• Number of divisors d(n): 800
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 19 20 22 28 35 38 40 44 49 55 56 70 76 77 80 88 95 98 110 112 121 133 140 152 154 176 190 196 209 220 242 245 266 280 304 308 343 380 385 392 418 440 484 490 532 539 560 605 616 665 686 760 770 784 836 847 880 931 968 980 1045 1064 1078 1210 1232 1330 1331 1372 1463 1520 1540 1672 1694 1715 1862 1936 1960 2090 2128 2156 2299 2420 2660 2662 2695 2744 2789 2926 3080 3344 3388 3430 3724 3773 3920 4180 4235 4312 4598 4655 4840 5320 5324 5390 5488 5578 5852 5929 6160 6517 6655 6776 6860 7315 7448 7546 8360 8470 8624 9196 9310 9317 9680 10241 10640 10648 10780 11156 11495 11704 11858 13034 13310 13552 13720 13945 14630 14641 14896 15092 16093 16720 16940 18392 18620 18634 18865 19523 20482 21296 21560 22312 22990 23408 23716 25289 26068 26620 27440 27890 29260 29282 29645 30184 30679 32186 32585 33880 36784 37240 37268 37730 39046 40964 41503 43120 44624 45980 46585 47432 50578 51205 52136 52991 53240 55780 58520 58564 59290 60368 61358 64372 65170 65219 67760 71687 73205 74480 74536 75460 78092 80465 81928 83006 91960 93170 94864 97615 101156 102410 102487 104272 105982 106480 111560 112651 117040 117128 118580 122716 126445 128744 130340 130438 136661 143374 146410 149072 150920 153395 156184 160930 163856 166012 177023 183920 186340 195230 202312 204820 204974 207515 211964 214753 223120 225302 234256 237160 245432 252890 257488 260680 260876 264955 273322 278179 286748 292820 301840 306790 312368 321860 326095 332024 337469 354046 358435 370937 372680 390460 404624 409640 409948 415030 423928 429506 450604 456533 474320 490864 505780 512435 521360 521752 529910 546644 556358 563255 573496 582901 585640 613580 643720 652190 664048 674938 683305 708092 716870 717409 741874 745360 780920 788557 819280 819896 830060 847856 859012 885115 901208 913066 956627 1011560 1024870 1043504 1059820 1073765 1093288 1112716 1126510 1146992 1165802 1171280 1227160 1239161 1287440 1304380 1349876 1366610 1390895 1416184 1433740 1434818 1483748 1503271 1561840 1577114 1639792 1660120 1687345 1718024 1770230 1802416 1826132 1854685 1913254 1947253 2023120 2049740 2119640 2147530 2186576 2225432 2253020 2282665 2331604 2362283 2454320 2478322 2596559 2608760 2699752 2733220 2781790 2832368 2867480 2869636 2914505 2967496 3006542 3154228 3320240 3374690 3436048 3540460 3587045 3652264 3709370 3712159 3826508 3894506 3942785 4080307 4099480 4239280 4295060 4450864 4506040 4565330 4663208 4724566 4783135 4956644 5021863 5193118 5217520 5399504 5466440 5563580 5734960 5739272 5829010 5934992 6013084 6195805 6308456 6411911 6749380 7080920 7174090 7304528 7418740 7424318 7516355 7653016 7789012 7885570 8160614 8198960 8590120 8674127 9012080 9130660 9326416 9449132 9566270 9736265 9913288 10043726 10386236 10522897 10932880 11127160 11478544 11658020 11811415 12026168 12391610 12616912 12823822 12982795 13498760 13630771 14161840 14348180 14837480 14848636 15032710 15306032 15578024 15771140 16321228 16535981 17180240 17348254 18175913 18261320 18560795 18898264 19132540 19472530 19826576 20087452 20401535 20772472 21045794 22254320 23316040 23622830 24052336 24783220 25109315 25647644 25965590 25985113 26997520 27261542 28562149 28696360 29674960 29697272 30065420 31156048 31542280 32059555 32642456 33071962 34696508 36351826 36522640 37121590 37796528 38265080 38945060 40174904 40803070 40833749 41544944 42091588 43370635 44883377 46632080 47245660 49566440 50218630 51295288 51931180 51970226 52614485 54523084 57124298 57392720 59394544 60130840 63084560 64119110 65284912 66143924 68153855 69393016 70531021 72703652 74243180 76530160 77890120 80349808 81606140 81667498 82679905 84183176 86741270 89766754 90879565 94491320 95415397 99132880 100437260 102590576 103862360 103940452 105228970 109046168 114248596 115751867 120261680 128238220 129925565 132287848 136307710 138786032 141062042 142810745 145407304 148486360 155780240 163212280 163334996 165359810 168366352 173482540 179533508 181759130 181895791 188982640 190830794 199935043 200874520 204168745 207724720 207880904 210457940 218092336 224416885 228497192 231503734 256476440 259851130 264575696 272615420 282124084 285621490 285836243 290814608 296972720 314183639 326424560 326669992 330719620 346965080 352655105 359067016 363518260 363791582 381661588 399870086 401749040 408337490 415761808 420915880 448833770 456994384 463007468 477076985 493717147 512952880 519702260 545230840 564248168 571242980 571672486 578759335 628367278 653339984 661439240 693930160 705310210 718134032 727036520 727583164 763323176 775841231 799740172 816674980 841831760 897667540 909478955 926014936 954153970 987434294 999675215 1039404520 1090461680 1128496336 1142485960 1143344972 1157518670 1256734556 1273270537 1322878480 1410620420 1429181215 1454073040 1455166328 1526646352 1551682462 1570918195 1599480344 1633349960 1795335080 1818957910 1852029872 1908307940 1974868588 1999350430 2000853701 2078809040 2199285473 2284971920 2286689944 2315037340 2468585735 2513469112 2546541074 2821240840 2858362430 2910332656 3103364924 3141836390 3198960688 3266699920 3456020029 3590670160 3637915820 3816615880 3879206155 3949737176 3998700860 4001707402 4398570946 4573379888 4630074680 4937171470 5026938224 5093082148 5430888617 5642481680 5716724860 6206729848 6283672780 6366352685 6912040058 7275831640 7633231760 7758412310 7899474352 7997401720 8003414804 8797141892 9260149360 9874342940 10004268505 10186164296 10861777234 10996427365 11433449720 12413459696 12567345560 12732705370 13824080116 14005975907 14551663280 15516824620 15994803440 16006829608 17280100145 17594283784 19748685880 20008537010 20372328592 21723554468 21992854730 22866899440 24192140203 25134691120 25465410740 27154443085 27648160232 28011951814 31033649240 32013659216 34560200290 35188567568 38016220319 39497371760 40017074020 43447108936 43985709460 48384280406 50930821480 54308886170 55296320464 56023903628 62067298480 69120400580 70029879535 76032440638 80034148040 86894217872 87971418920 96768560812 101861642960 108617772340 112047807256 120960701015 138240801160 140059759070 152064881276 160068296080 175942837840 190081101595 193537121624 217235544680 224095614512 241921402030 266113542233 276481602320 280119518140 304129762552 380162203190 387074243248 434471089360 483842804060 532227084466 560239036280 608259525104 760324406380 967685608120 1064454168932 1120478072560 1330567711165 1520648812760 1935371216240 2128908337864 2661135422330 3041297625520 4257816675728 5322270844660 10644541689320 21289083378640
• Sum of all divisors σ(n): 66860229600000
• Sum of proper divisors (its aliquot sum) s(n): 45571146221360
• 21289083378640 is an abundant number, because the sum of its proper divisors (45571146221360) is greater than itself. Its abundance is 24282062842720

Bases of 21289083378640

• Binary: 100110101110011000000010000001001101111010000₂
• Hexadecimal: 0x135CC0409BD0
• Base-36: 7JO2IKQ8G

Squares and roots of 21289083378640

• 21289083378640 squared (21289083378640²) is 453225071102685917608249600
• 21289083378640 cubed (21289083378640³) is 9648746327995122945214183062304428544000
• The square root of 21289083378640 is 4614009.4688502753
• The cube root of 21289083378640 is 27715.2619473941

Scales and comparisons

• 21,289,083,378,640 seconds is equal to 676,926 years, 51 weeks, 6 days, 23 hours, 50 minutes, 40 seconds.
• To count from 1 to 21,289,083,378,640 would take you about one million, six hundred ninety-two thousand, three hundred seventeen 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 21289083378640 cubic inches would be around 2309.6 feet tall.

Recreational maths with 21289083378640

• 21289083378640 backwards is 04687338098212
• The number of decimal digits it has is: 14
• The sum of 21289083378640's digits is 61
• More coming soon!