21009000281984

Names of 21009000281984

• Cardinal: 21009000281984 can be written as Twenty-one trillion, nine billion, two hundred eighty-one thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 2.1009000281984 × 10¹³

Factors of 21009000281984

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 104

Divisors of 21009000281984

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 4 8 11 13 16 22 26 32 37 41 44 52 64 74 82 88 104 121 128 143 148 164 169 176 208 242 286 296 328 338 352 407 416 451 481 484 533 572 592 656 676 704 814 832 902 962 968 1066 1144 1184 1312 1331 1352 1369 1408 1517 1573 1628 1664 1804 1859 1924 1936 2132 2197 2288 2368 2624 2662 2704 2738 3034 3146 3256 3608 3718 3848 3872 4264 4394 4477 4576 4736 4961 5248 5291 5324 5408 5476 5863 6068 6253 6292 6512 6929 7216 7436 7696 7744 8528 8788 8954 9152 9922 10582 10648 10816 10952 11726 12136 12506 12584 13024 13858 14432 14872 15059 15392 15488 16687 17056 17303 17576 17797 17908 18304 19721 19844 20449 21164 21296 21632 21904 23452 24167 24272 25012 25168 26048 27716 28864 29744 30118 30784 33374 34112 34606 35152 35594 35816 39442 39688 40898 42328 42592 43808 46904 48334 48544 49247 50024 50336 52096 54571 55432 56129 57728 58201 59488 60236 61568 64493 66748 68224 68783 69212 70304 71188 71632 76219 78884 79376 81289 81796 84656 85184 87616 90077 93808 96668 97088 98494 100048 100672 109142 110864 112258 116402 118976 120472 128986 133496 137566 138424 140608 142376 143264 152438 157768 158752 162578 163592 165649 169312 170368 175232 180154 183557 187616 193336 194176 195767 196988 200096 201344 216931 218284 221728 224516 224939 231361 232804 237952 240944 256373 257972 265837 266992 275132 276848 281216 284752 286528 304876 315536 317504 325156 327184 331298 338624 360308 367114 375232 386672 391534 393976 400192 433862 436568 443456 449032 449878 462722 465608 481888 512746 515944 531674 533984 550264 553696 569504 573056 609752 617419 631072 635008 640211 650312 654368 662596 677248 709423 720616 729677 734228 750464 756613 773344 783068 787952 800384 838409 867724 873136 886912 894179 898064 899756 925444 931216 963776 990847 1025492 1031888 1063348 1067968 1100528 1107392 1139008 1219504 1234838 1262144 1280422 1300624 1308736 1325192 1418846 1441232 1459354 1468456 1513226 1546688 1566136 1575904 1676818 1735448 1746272 1788358 1796128 1799512 1822139 1850888 1862432 1927552 1981694 2019127 2050984 2063776 2126696 2135936 2153437 2201056 2214784 2278016 2386241 2439008 2469676 2524288 2544971 2560844 2601248 2617472 2650384 2820103 2837692 2882464 2918708 2924207 2936912 3007693 3026452 3093376 3132272 3151808 3332849 3353636 3470896 3492544 3576716 3592256 3599024 3644278 3701776 3724864 3963388 4038254 4101968 4127552 4253392 4306874 4402112 4772482 4878016 4939352 5089942 5121688 5202496 5300768 5640206 5675384 5764928 5837416 5848414 5873824 6015386 6052904 6264544 6303616 6665698 6707272 6791609 6941792 6985088 7153432 7184512 7198048 7288556 7403552 7449728 7926776 8026447 8076508 8203936 8255104 8322743 8506784 8613748 8804224 9222499 9485801 9544964 9756032 9835969 9878704 10179884 10243376 10404992 10601536 10899317 11280412 11350768 11529856 11674832 11696828 11747648 12030772 12105808 12529088 13331396 13414544 13583218 13883584 14306864 14396096 14577112 14807104 15853552 16052894 16153016 16407872 16645486 17013568 17227496 18444998 18971602 19089928 19671938 19757408 20359768 20486752 21203072 21798634 22560824 22701536 23349664 23393656 23495296 23687807 24061544 24211616 25058176 26248651 26662792 26829088 27166436 27767168 27994681 28613728 28792192 29154224 29614208 31021133 31707104 32105788 32306032 32815744 33084623 33290972 34027136 34454992 36661339 36889996 37943204 38179856 39343876 39514816 40719536 40973504 43597268 45121648 45403072 46699328 46787312 47375614 48123088 48423232 52497302 53325584 53658176 54332872 55989362 57227456 58308448 62042266 63414208 64211576 64612064 66169246 66581944 68909984 73322678 73779992 74707699 75886408 76359712 78687752 79029632 81439072 81947008 87194536 88290917 90243296 90806144 93398656 93574624 94751228 96246176 96846464 104343811 104994604 106651168 107316352 108195659 108665744 111978724 114454912 116616896 119892487 123315413 124084532 126828416 128423152 129224128 132338492 133163888 137819968 146645356 147559984 149415398 151772816 152719424 157375504 162878144 174389072 176581834 180486592 187149248 189502456 192492352 208687622 209989208 213302336 216391318 217331488 223957448 233233792 239784974 246630826 248169064 256846304 258448256 264676984 266327776 275639936 293290712 295119968 298830796 303545632 305438848 307941491 314751008 325756288 341232463 348778144 353163668 360973184 363930853 374298496 379004912 384984704 403274729 417375244 419978416 426604672 432782636 434662976 447914896 479569948 493261652 496338128 513692608 529353968 532655552 586581424 590239936 597661592 607091264 615882982 629502016 682464926 697556288 706327336 727861706 758009824 806549458 834750488 839956832 865565272 869325952 895829792 959139896 971200087 986523304 992676256 1027385216 1058707936 1065311104 1147781921 1173162848 1180479872 1195323184 1214182528 1231765964 1259004032 1356469543 1364929852 1395112576 1412654672 1455723412 1516019648 1613098916 1669500976 1679913664 1731130544 1791659584 1918279792 1942400174 1973046608 1985352512 2117415872 2295563842 2346325696 2390646368 2463531928 2712939086 2729859704 2825309344 2911446824 3032039296 3226197832 3339001952 3359827328 3462261088 3583319168 3836559584 3884800348 3946093216 3970705024 4003239383 4234831744 4436022019 4591127684 4692651392 4781292736 4927063856 5425878172 5459719408 5650618688 5822893648 6452395664 6678003904 6924522176 7673119168 7769600696 7892186432 8006478766 8872044038 9182255368 9562585472 9854127712 10851756344 10919438816 11301237376 11645787296 12625601131 12904791328 13356007808 13849044352 14921164973 15346238336 15539201392 15784372864 16012957532 17744088076 18364510736 19708255424 21703512688 21838877632 23291574592 25251202262 25809582656 29842329946 31078402784 32025915064 35488176152 36729021472 39416510848 43407025376 43677755264 46583149184 50502404524 51619165312 59684659892 62156805568 64051830128 70976352304 73458042944 86814050752 101004809048 119369319784 124313611136 128103660256 141952704608 146916085888 164132814703 173628101504 202009618096 238738639568 256207320512 283905409216 328265629406 404019236192 477477279136 512414641024 567810818432 656531258812 808038472384 954954558272 1313062517624 1616076944768 1909909116544 2626125035248 5252250070496 10504500140992 21009000281984
• Sum of all divisors σ(n): 52505113550400
• Sum of proper divisors (its aliquot sum) s(n): 31496113268416
• 21009000281984 is an abundant number, because the sum of its proper divisors (31496113268416) is greater than itself. Its abundance is 10487112986432

Bases of 21009000281984

• Binary: 100110001101110001001111111111011011110000000₂
• Hexadecimal: 0x131B89FFB780
• Base-36: 7G3EGBXQ8

Squares and roots of 21009000281984

• 21009000281984 squared (21009000281984²) is 441378092848403791514976256
• 21009000281984 cubed (21009000281984³) is 9272912477113675389702430908863064571904
• The square root of 21009000281984 is 4583557.6010326301
• The cube root of 21009000281984 is 27593.1826446039

Scales and comparisons

• 21,009,000,281,984 seconds is equal to 668,021 years, 11 weeks, 4 days, 11 hours, 39 minutes, 44 seconds.
• To count from 1 to 21,009,000,281,984 would take you about one million, six hundred seventy thousand and fifty-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 21009000281984 cubic inches would be around 2299.4 feet tall.

Recreational maths with 21009000281984

• 21009000281984 backwards is 48918200090012
• 21009000281984 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21009000281984's digits is 44
• More coming soon!