21007574681688

Names of 21007574681688

• Cardinal: 21007574681688 can be written as Twenty-one trillion, seven billion, five hundred seventy-four million, six hundred eighty-one thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1007574681688 × 10¹³

Factors of 21007574681688

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 312

Divisors of 21007574681688

• Number of divisors d(n): 840
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 19 21 24 27 28 36 38 42 49 54 56 57 63 72 76 81 84 98 108 114 126 133 147 152 162 168 171 189 196 216 228 243 252 266 281 294 324 342 343 378 392 399 441 456 486 504 513 532 562 567 588 648 684 686 729 756 798 843 882 931 972 1026 1029 1064 1124 1134 1176 1197 1323 1368 1372 1458 1512 1539 1596 1686 1701 1764 1862 1944 1967 2052 2058 2248 2268 2394 2401 2529 2646 2744 2793 2916 3078 3087 3192 3372 3402 3528 3591 3724 3934 3969 4104 4116 4536 4617 4788 4802 5058 5103 5292 5339 5586 5832 5901 6156 6174 6517 6744 6804 7182 7203 7448 7587 7868 7938 8232 8379 9234 9261 9576 9604 10116 10206 10584 10678 10773 11172 11802 11907 12312 12348 13034 13608 13769 13851 14364 14406 15174 15736 15876 16017 16758 17703 18468 18522 19208 19551 20232 20412 21356 21546 21609 22344 22761 23604 23814 24696 25137 26068 27538 27702 27783 28728 28812 30348 31752 32034 32319 33516 35406 35721 36936 37044 37373 39102 40824 41307 42712 43092 43218 45522 45619 47208 47628 48051 50274 52136 53109 55076 55404 55566 57624 58653 60696 64068 64638 64827 67032 68283 70812 71442 74088 74746 75411 78204 78961 82614 83349 86184 86436 91044 91238 95256 96102 96383 96957 100548 106218 110152 110808 111132 112119 117306 123921 128136 129276 129654 136566 136857 141624 142884 144153 149492 150822 156408 157922 159327 165228 166698 172872 175959 182088 182476 192204 192766 193914 194481 201096 204849 212436 222264 224238 226233 234612 236883 247842 250047 258552 259308 261611 273132 273714 285768 288306 289149 298984 301644 315844 318654 330456 333396 336357 351918 364952 371763 384408 385532 387828 388962 409698 410571 424872 432459 448476 452466 469224 473766 477981 495684 500094 518616 523222 527877 546264 547428 552727 576612 578298 583443 603288 631688 637308 666792 672714 674681 678699 703836 710649 743526 771064 775656 777924 784833 819396 821142 864918 867447 896952 904932 947532 955962 991368 1000188 1009071 1046444 1055754 1094856 1105454 1115289 1153224 1156596 1166886 1231713 1274616 1297377 1345428 1349362 1357398 1407672 1421298 1433943 1487052 1500259 1555848 1569666 1583631 1638792 1642284 1658181 1729836 1734894 1750329 1809864 1831277 1895064 1911924 2000376 2018142 2024043 2092888 2111508 2131947 2210908 2230578 2313192 2333772 2354499 2463426 2594754 2602341 2690856 2698724 2714796 2842596 2867886 2974104 3000518 3027213 3139332 3167262 3284568 3316362 3345867 3459672 3469788 3500658 3662554 3695139 3823848 3869089 3892131 4036284 4048086 4223016 4263894 4421816 4461156 4500777 4667544 4708998 4750893 4926852 4974543 5189508 5204682 5397448 5429592 5493831 5685192 5735772 6001036 6054426 6072129 6278664 6334524 6395841 6632724 6691734 6939576 7001316 7063497 7325108 7390278 7738178 7784262 7807023 8072568 8096172 8527788 8922312 9001554 9081639 9417996 9501786 9853704 9949086 10037601 10379016 10409364 10501813 10987662 11085417 11471544 11607267 12002072 12108852 12144258 12669048 12791682 12818939 13265448 13383468 13502331 14002632 14126994 14650216 14780556 14923629 15476356 15568524 15614046 16192344 16481493 17055576 18003108 18163278 18216387 18835992 19003572 19187523 19898172 20075202 20818728 21003626 21190491 21975324 22170834 23214534 23421069 24217704 24288516 25583364 25637878 26766936 27004662 27083623 27244917 28253988 29561112 29847258 30952712 31137048 31228092 31505439 32962986 33256251 34821801 36006216 36326556 36432774 38007144 38375046 38456817 39796344 40150404 40506993 42007252 42380982 43950648 44341668 44770887 46429068 46842138 48577032 49444479 51166728 51275756 54009324 54167246 54489834 54649161 56507976 57562569 59694516 62456184 63010878 63571473 65925972 66512502 69643602 70263207 72653112 72865548 73512691 76750092 76913634 80300808 81013986 81250869 84014504 84761964 88683336 89541774 92858136 93684276 94516317 98888958 102551512 104465403 108018648 108334492 108979668 109298322 115125138 115370451 119389032 121520979 126021756 127142946 131851944 133025004 134312661 139287204 140526414 145731096 147025382 148333437 153500184 153827268 162027972 162501738 163947483 169523928 179083548 187368552 189032634 189585361 190714419 197777916 208930806 216668984 217959336 218596644 220538073 230250276 230740902 243041958 243752607 252043512 254285892 266050008 268625322 278574408 281052828 283548951 294050764 296666874 307654536 313396209 324055944 325003476 327894966 346111353 358167096 364562937 378065268 379170722 381428838 395555832 402937983 417861612 437193288 441076146 445000311 460500552 461481804 486083916 487505214 491842449 508571784 514588837 537250644 562105656 567097902 568756083 588101528 593333748 626792418 650006952 655789932 661614219 692222706 729125874 731257821 756130536 758341444 762857676 805875966 835723224 850646853 882152292 890000622 922963608 940188627 972167832 975010428 983684898 1029177674 1038334059 1074501288 1093688811 1134195804 1137512166 1186667496 1253584836 1311579864 1323228438 1335000933 1384445412 1458251748 1462515642 1516682888 1525715352 1543766511 1611751932 1701293706 1706268249 1764304584 1780001244 1880377254 1950020856 1967369796 1984842657 2058355348 2076668118 2187377622 2193773463 2268391608 2275024332 2507169672 2551940559 2646456876 2670001866 2768890824 2820565881 2916503496 2925031284 3087533022 3115002177 3223503864 3402587412 3412536498 3560002488 3602121859 3760754508 3934739592 3969685314 4116710696 4153336236 4374755244 4387546926 4550048664 4631299533 5103881118 5118804747 5292913752 5340003732 5641131762 5850062568 5954527971 6175066044 6230004354 6581320389 6805174824 6825072996 7204243718 7521509016 7655821677 7939370628 8306672472 8749510488 8775093852 9262599066 9345006531 10207762236 10237609494 10680007464 10806365577 11282263524 11909055942 12350132088 12460008708 13162640778 13650145992 13893898599 14408487436 15311643354 15356414241 15878741256 17550187704 17863583913 18525198132 18690013062 19743961167 20415524472 20475218988 21612731154 22564527048 23818111884 24920017416 26325281556 27787797198 28816974872 30623286708 30712828482 32419096731 35727167826 37050396264 37380026124 39487922334 40950437976 41681695797 43225462308 46069242723 47636223768 52650563112 53590751739 55575594396 61246573416 61425656964 64838193462 71454335652 74760052248 78975844668 83363391594 86450924616 92138485446 97257290193 107181503478 111151188792 122851313928 125045087391 129676386924 138207728169 142908671304 157951689336 166726783188 184276970892 194514580386 214363006956 250090174782 259352773848 276415456338 291771870579 333453566376 368553941784 375135262173 389029160772 428726013912 500180349564 552830912676 583543741158 750270524346 778058321544 875315611737 1000360699128 1105661825352 1167087482316 1500541048692 1750631223474 2334174964632 2625946835211 3001082097384 3501262446948 5251893670422 7002524893896 10503787340844 21007574681688
• Sum of all divisors σ(n): 72780566939700
• Sum of proper divisors (its aliquot sum) s(n): 51772992258012
• 21007574681688 is an abundant number, because the sum of its proper divisors (51772992258012) is greater than itself. Its abundance is 30765417576324

Bases of 21007574681688

• Binary: 100110001101100110101000001101100100001011000₂
• Hexadecimal: 0x131B3506C858
• Base-36: 7G2QVKDI0

Squares and roots of 21007574681688

• 21007574681688 squared (21007574681688²) is 441318194006698674522529344
• 21007574681688 cubed (21007574681688³) is 9271024918983395936772355899165439452672
• The square root of 21007574681688 is 4583402.0859715111
• The cube root of 21007574681688 is 27592.5585035435

Scales and comparisons

• 21,007,574,681,688 seconds is equal to 667,975 years, 46 weeks, 3 days, 11 hours, 34 minutes, 48 seconds.
• To count from 1 to 21,007,574,681,688 would take you about one million, six hundred sixty-nine thousand, nine hundred thirty-nine 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 21007574681688 cubic inches would be around 2299.4 feet tall.

Recreational maths with 21007574681688

• 21007574681688 backwards is 88618647570012
• 21007574681688 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21007574681688's digits is 63
• More coming soon!