21788985946420

Names of 21788985946420

• Cardinal: 21788985946420 can be written as Twenty-one trillion, seven hundred eighty-eight billion, nine hundred eighty-five million, nine hundred forty-six thousand, four hundred twenty.

Scientific notation

• Scientific notation: 2.178898594642 × 10¹³

Factors of 21788985946420

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 168

Divisors of 21788985946420

• Number of divisors d(n): 972
• Complete list of divisors:
  1 2 4 5 7 10 11 14 20 22 28 29 35 41 44 49 55 58 70 73 77 82 98 110 116 121 140 145 146 154 164 196 203 205 220 242 245 287 290 292 308 319 365 385 406 410 451 484 490 511 539 574 580 605 638 730 770 803 812 820 841 847 902 980 1015 1022 1078 1148 1189 1210 1276 1421 1435 1460 1540 1595 1606 1682 1694 1804 2009 2030 2044 2117 2156 2233 2255 2378 2420 2555 2695 2842 2870 2993 3157 3190 3212 3364 3388 3509 3577 4015 4018 4060 4205 4234 4235 4466 4510 4756 4961 5110 5329 5390 5621 5684 5740 5887 5929 5945 5986 6314 6380 7018 7105 7154 8030 8036 8323 8410 8468 8470 8833 8932 9020 9251 9922 10045 10220 10585 10658 10780 11165 11242 11774 11858 11890 11972 12628 13079 14036 14210 14308 14819 14965 15631 15785 16060 16646 16820 16940 17545 17666 17885 18502 19844 20090 20951 21170 21316 22099 22330 22484 23287 23548 23716 23780 24563 24805 26158 26645 28105 28420 29435 29638 29645 29930 31262 31570 32923 33292 34481 34727 35090 35332 35770 37004 37303 39347 40180 41209 41615 41902 42340 44165 44198 44660 46255 46574 49126 49610 52316 53290 56210 58261 58619 58870 59276 59290 59860 61393 61831 62524 63140 64757 65395 65846 68962 69454 70180 71540 74095 74606 78155 78694 82418 83230 83804 86797 88330 88396 91553 92510 93148 98252 99220 101761 103733 104755 106580 110495 112420 116435 116522 117238 117740 118580 122786 122815 123662 129514 130790 131692 137924 138908 143869 146657 148190 149212 154541 156310 157388 163009 164615 164836 166460 171941 172405 173594 173635 176660 183106 185020 186515 196735 203522 206045 207466 209510 218489 220990 230461 232870 233044 234476 241367 243089 245572 245630 247324 256157 259028 261121 261580 287738 291305 293095 293314 296380 306965 309082 309155 312620 323785 326018 329230 343882 344810 347188 347270 362153 366212 373030 379291 393470 407044 410333 412090 414932 419020 429751 432817 433985 436978 441980 453299 457765 460922 465740 482734 486178 491260 508805 512314 518665 522242 575476 582610 586190 586628 607579 613930 618164 618310 640871 644809 647570 652036 658460 675323 687764 689620 694540 712327 719345 724306 733285 746060 758582 772705 786940 815045 820666 824180 859502 859705 865634 867970 873956 906598 915530 921844 954767 965468 972356 1007083 1017610 1024628 1037330 1044484 1081787 1092445 1141063 1152305 1165220 1172380 1206835 1215158 1215445 1227860 1236620 1280785 1281742 1289618 1295140 1305605 1350646 1424654 1438690 1448612 1466570 1517164 1529423 1545410 1613227 1630090 1641332 1689569 1699951 1719004 1719410 1731268 1735940 1793099 1810765 1813196 1831060 1896455 1909534 2014166 2035220 2051665 2074660 2148755 2163574 2164085 2184890 2266495 2282126 2304610 2403379 2413670 2430316 2430890 2517113 2535071 2561570 2563484 2579236 2611210 2655037 2701292 2849308 2872331 2877380 2933140 3008257 3037895 3058846 3090820 3204355 3224045 3226454 3260180 3376615 3379138 3399902 3438820 3561635 3586198 3621530 3792910 3819068 4028332 4103330 4172201 4253053 4297510 4327148 4328170 4369780 4481689 4513663 4532990 4564252 4609220 4727261 4773835 4806758 4827340 4861780 4986289 5034226 5035415 5070142 5123140 5222420 5310074 5408935 5705315 5744662 6016514 6075790 6117692 6336181 6408710 6448090 6452908 6683369 6753230 6758276 6799804 7049581 7123270 7172396 7243060 7428553 7572509 7585820 7647115 8066135 8206660 8344402 8447845 8499755 8506106 8595020 8656340 8963378 8965495 9027326 9065980 9454522 9547670 9613516 9972578 10068452 10070830 10140284 10502437 10620148 10705961 10817870 11410630 11489324 11899657 12016895 12033028 12151580 12551693 12585565 12672362 12675355 12817420 12896180 13275185 13366738 13506460 14099162 14246540 14361655 14857106 15041285 15145018 15294230 16132270 16688804 16823653 16895690 16999510 17012212 17619791 17745497 17926756 17930990 18054652 18585259 18699461 18909044 19095340 19945156 20141660 20861005 21004874 21265265 21411922 21635740 22408445 22568315 22821260 23636305 23799314 24033790 24931445 25103386 25171130 25344724 25350710 26437169 26550370 26733476 27688243 28198324 28723310 29205407 29714212 30082570 30290036 30588460 31371823 31595641 31680905 32264540 33090827 33416845 33647306 33791380 33999020 35239582 35247905 35490994 35861980 37142765 37170518 37398922 37862545 41722010 42009748 42530530 42823844 44353267 44816890 45136630 46783583 47272610 47598628 48067580 49298579 49862890 50206772 50342260 50701420 51999871 52512185 52874338 53100740 53529805 55376486 57446620 58410814 59498285 60165140 62743646 62758465 63191282 63361810 66181654 66833690 67294612 69697991 70479164 70495810 70981988 73517059 74285530 74341036 74797844 75725090 83297599 83444020 84118265 85061060 88098955 88706534 88727485 89633780 90273260 92926295 93497305 93567166 94545220 98597158 99725780 103999742 105024370 105748676 107059610 110752972 116821628 117765571 118996570 123338537 125487292 125516930 126382564 126723620 130896227 132185845 132363308 133667380 138441215 139395982 140991620 146027035 147034118 148571060 151450180 156859115 157978205 165454135 166595198 168236530 176197910 177413068 177454970 183749249 185060183 185852590 186994610 187134332 193817701 197194316 204437849 207999484 210048740 214119220 219602761 221766335 233917915 235531142 237993140 246492895 246677074 251033860 259999355 261792454 264371690 276882430 278791964 292054070 294068236 304570673 310472869 313718230 315956410 330908270 333190396 336473060 345090053 348489955 352395820 354909940 363999097 367498498 367585295 370120366 371705180 373989220 387635402 408875698 416487995 439205522 443532670 467835830 471062284 487885937 492985790 493354148 514619413 519998710 523584908 528743380 542284369 553764860 584108140 588827855 609141346 616692685 620945738 627436460 631912820 654481135 661816540 690180106 696979910 727998194 734996996 735170590 740240732 766677901 775270804 817751396 832975990 878411044 887065340 916273589 918746245 925300915 935671660 969088505 975771874 985971580 1022189245 1029238826 1039997420 1084568738 1098013805 1177655710 1218282692 1233385370 1241891476 1286244743 1295421281 1308962270 1356723907 1380360212 1393959820 1455996388 1470341180 1522853365 1533355802 1552364345 1665951980 1725450265 1819995485 1832547178 1837492490 1850601830 1938177010 1951543748 2021241739 2044378490 2058477652 2131994711 2169137476 2196027610 2355311420 2415630371 2439429685 2466770740 2572489486 2573097065 2590842562 2617924540 2711421845 2713447814 3045706730 3066711604 3104728690 3415201559 3450900530 3639990970 3665094356 3674984980 3701203660 3795990583 3833389505 3876354020 4042483478 4088756980 4263989422 4392055220 4581367945 4831260742 4878859370 5144978972 5146194130 5181685124 5366745307 5422843690 5426895628 6091413460 6209457380 6431223715 6477106405 6783619535 6830403118 6901801060 7279981940 7591981166 7666779010 8084966956 8527978844 9003713201 9162735890 9662521484 9757718740 10106208695 10292388260 10659973555 10733490614 10845687380 12078151855 12862447430 12954212810 13567239070 13660806236 14148692173 14923962977 15183962332 15333558020 17076007795 18007426402 18325471780 18979952915 20212417390 21319947110 21466981228 22233659129 24156303710 25724894860 25908425620 26571934081 26833726535 27134478140 28297384346 29847925954 34152015590 36014852804 37567217149 37959905830 40424834780 42639894220 44467318258 45018566005 48312607420 53143868162 53667453070 56594768692 59695851908 68304031180 70743460865 74619814885 75134434298 75919811660 88934636516 90037132010 99040845211 106287736324 107334906140 111168295645 132859670405 141486921730 149239629770 150268868596 155635613903 180074264020 187836085745 198081690422 222336591290 265719340810 282973843460 298479259540 311271227806 375672171490 396163380844 444673182580 495204226055 531438681620 622542455612 751344342980 778178069515 990408452110 1089449297321 1556356139030 1980816904220 2178898594642 3112712278060 4357797189284 5447246486605 10894492973210 21788985946420
• Sum of all divisors σ(n): 62932965951492
• Sum of proper divisors (its aliquot sum) s(n): 41143980005072
• 21788985946420 is an abundant number, because the sum of its proper divisors (41143980005072) is greater than itself. Its abundance is 19354994058652

Bases of 21788985946420

• Binary: 100111101000100100100110001000111000100110100₂
• Hexadecimal: 0x13D124C47134
• Base-36: 7Q1PZNO6S

Squares and roots of 21788985946420

• 21788985946420 squared (21788985946420²) is 474759908573288263110816400
• 21788985946420 cubed (21788985946420³) is 10344536975827022037529109850692857288000
• The square root of 21788985946420 is 4667867.3874072301
• The cube root of 21788985946420 is 27930.5190319017

Scales and comparisons

• 21,788,985,946,420 seconds is equal to 692,822 years, 18 weeks, 3 days, 8 hours, 13 minutes, 40 seconds.
• To count from 1 to 21,788,985,946,420 would take you about one million, seven hundred thirty-two thousand and fifty-five 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 21788985946420 cubic inches would be around 2327.5 feet tall.

Recreational maths with 21788985946420

• 21788985946420 backwards is 02464958988712
• 21788985946420 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21788985946420's digits is 73
• More coming soon!