9721438213968

Names of 9721438213968

• Cardinal: 9721438213968 can be written as Nine trillion, seven hundred twenty-one billion, four hundred thirty-eight million, two hundred thirteen thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 9.721438213968 × 10¹²

Factors of 9721438213968

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 192

Divisors of 9721438213968

• Number of divisors d(n): 810
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 17 18 24 26 27 34 36 39 48 51 52 54 68 72 78 81 102 104 108 117 136 144 153 156 157 162 204 208 216 221 234 243 272 289 306 312 314 324 351 408 432 442 459 468 471 486 578 612 624 628 648 663 702 729 816 867 884 918 936 942 972 1053 1156 1224 1256 1296 1326 1377 1404 1413 1458 1734 1768 1836 1872 1884 1944 1989 2041 2106 2187 2312 2448 2512 2601 2652 2669 2754 2808 2826 2916 3159 3468 3536 3672 3757 3768 3888 3978 4082 4131 4212 4239 4374 4624 5202 5304 5338 5508 5616 5652 5832 5967 6123 6318 6561 6936 7344 7514 7536 7803 7956 8007 8164 8262 8424 8478 8748 9477 10404 10608 10676 11016 11271 11304 11664 11934 12246 12393 12636 12717 13122 13872 15028 15606 15912 16014 16328 16524 16848 16956 17496 17901 18369 18954 20808 21352 22032 22542 22608 23409 23868 24021 24492 24649 24786 25272 25434 26244 28431 30056 31212 31824 32028 32656 33048 33813 33912 34697 34992 35802 36738 37179 37908 38151 41616 42704 45084 45373 46818 47736 48042 48984 49298 49572 50544 50868 52488 53703 55107 56862 60112 62424 64056 66096 67626 67824 69394 70227 71604 72063 73476 73947 74358 75816 76302 85293 90168 90746 93636 95472 96084 97968 98596 99144 101439 101736 104091 104976 107406 110214 111537 113724 114453 124848 128112 135252 136119 138788 140454 143208 144126 146952 147894 148716 151632 152604 161109 165321 170586 180336 181492 187272 192168 197192 198288 202878 203472 208182 210681 214812 216189 220428 221841 223074 227448 228906 270504 272238 277576 280908 286416 288252 293904 295788 297432 304317 305208 312273 320437 322218 330642 341172 343359 362984 374544 384336 394384 405756 408357 416364 419033 421362 429624 432378 440856 443682 446148 454896 457812 483327 495963 541008 544476 555152 561816 576504 589849 591576 594864 608634 610416 624546 632043 640874 644436 648567 661284 665523 682344 686718 725968 811512 816714 832728 838066 842724 859248 864756 881712 887364 892296 912951 915624 936819 961311 966654 991926 1030077 1088952 1123632 1153008 1179698 1183152 1217268 1225071 1249092 1257099 1264086 1281748 1288872 1297134 1322568 1331046 1364688 1373436 1449981 1487889 1623024 1633428 1665456 1676132 1685448 1729512 1769547 1774728 1784592 1825902 1831248 1873638 1896129 1922622 1933308 1945701 1983852 1996569 2060154 2177904 2359396 2434536 2450142 2498184 2514198 2528172 2563496 2577744 2594268 2645136 2662092 2738853 2746872 2810457 2883933 2899962 2975778 3266856 3352264 3370896 3459024 3539094 3549456 3651804 3675213 3747276 3771297 3792258 3845244 3866616 3891402 3967704 3993138 4120308 4463667 4718792 4869072 4900284 4996368 5028396 5056344 5126992 5188536 5308641 5324184 5447429 5477706 5493744 5620914 5767866 5799924 5837103 5951556 5989707 6533712 6704528 7078188 7123561 7303608 7350426 7494552 7542594 7584516 7690488 7733232 7782804 7935408 7986276 8216559 8240616 8431371 8651799 8927334 9437584 9800568 10056792 10112688 10377072 10617282 10648368 10894858 10955412 11025639 11241828 11313891 11535732 11599848 11674206 11903112 11979414 13391001 14156376 14247122 14607216 14700852 14989104 15085188 15169032 15380976 15565608 15925923 15972552 16342287 16433118 16481232 16862742 17303598 17511309 17854668 17969121 19601136 20113584 21234564 21370683 21789716 21910824 22051278 22483656 22627782 23071464 23199696 23348412 23806224 23958828 24649677 25294113 25955397 26782002 28312752 28494244 29401704 30170376 30338064 31131216 31851846 31945104 32684574 32866236 33076917 33725484 33941673 34607196 35022618 35709336 35938242 42469128 42741366 43579432 43821648 44102556 44967312 45255564 46142928 46696824 47777769 47917656 49026861 49299354 50588226 51910794 53564004 53907363 56988488 58803408 60340752 63703692 64112049 65369148 65732472 66153834 67450968 67883346 69214392 70045236 71418672 71876484 75882339 77866191 84938256 85482732 87158864 88205112 90511128 92606293 93393648 95555538 95835312 98053722 98598708 99230751 101176452 101825019 103821588 107128008 107814726 113976976 127407384 128224098 130738296 131464944 132307668 134901936 135766692 138428784 140090472 143333307 143752968 147080583 151764678 155732382 161722089 170965464 176410224 181022256 185212586 191111076 192336147 196107444 197197416 198461502 202352904 203650038 207643176 214256016 215629452 227647017 233598573 254814768 256448196 261476592 264615336 271533384 277818879 280180944 286666614 287505936 294161166 297692253 303529356 305475057 311464764 323444178 341930928 370425172 382222152 384672294 392214888 394394832 396923004 404705808 407300076 415286352 429999921 431258904 441241749 455294034 467197146 512896392 529230672 543066768 555637758 573333228 577008441 588322332 595384506 607058712 610950114 622929528 646888356 700795719 740850344 764444304 769344588 784429776 793846008 814600152 833456637 859999842 862517808 882483498 910588068 916425171 934394292 1025792784 1111275516 1146666456 1154016882 1176644664 1190769012 1214117424 1221900228 1245859056 1289999763 1293776712 1323725247 1401591438 1481700688 1538689176 1587692016 1629200304 1666913274 1719999684 1731025323 1764966996 1821176136 1832850342 1868788584 2102387157 2222551032 2293332912 2308033764 2353289328 2381538024 2443800456 2500369911 2579999526 2587553424 2647450494 2749275513 2803182876 3077378352 3333826548 3439999368 3462050646 3529933992 3642352272 3665700684 3737577168 3869999289 3971175741 4204774314 4445102064 4616067528 4763076048 4887600912 5000739822 5159999052 5193075969 5294900988 5498551026 5606365752 6667653096 6879998736 6924101292 7059867984 7331401368 7501109733 7739998578 7942351482 8409548628 9232135056 10001479644 10319998104 10386151938 10589801976 10997102052 11212731504 11913527223 13335306192 13848202584 14662802736 15002219466 15479997156 15579227907 15884702964 16819097256 20002959288 20639996208 20772303876 21179603952 21994204104 22503329199 23827054446 27696405168 30004438932 30959994312 31158455814 31769405928 33638194512 35740581669 40005918576 41544607752 43988408208 45006658398 46737683721 47654108892 60008877864 61919988624 62316911628 63538811856 67509987597 71481163338 83089215504 90013316796 93475367442 95308217784 120017755728 124633823256 135019975194 142962326676 180026633592 186950734884 190616435568 202529962791 249267646512 270039950388 285924653352 360053267184 373901469768 405059925582 540079900776 571849306704 607589888373 747802939536 810119851164 1080159801552 1215179776746 1620239702328 2430359553492 3240479404656 4860719106984 9721438213968
• Sum of all divisors σ(n): 32526818284506
• Sum of proper divisors (its aliquot sum) s(n): 22805380070538
• 9721438213968 is an abundant number, because the sum of its proper divisors (22805380070538) is greater than itself. Its abundance is 13083941856570

Bases of 9721438213968

• Binary: 10001101011101110010110111110001011101010000₂
• Hexadecimal: 0x8D772DF1750
• Base-36: 3G1YTB900

Squares and roots of 9721438213968

• 9721438213968 squared (9721438213968²) is 94506360947997337750305024
• 9721438213968 cubed (9721438213968³) is 918737748782914382425744135661777375232
• The square root of 9721438213968 is 3117922.0987651375
• The cube root of 9721438213968 is 21342.4123621969

Scales and comparisons

• 9,721,438,213,968 seconds is equal to 309,111 years, 34 weeks, 3 days, 23 hours, 52 minutes, 48 seconds.
• To count from 1 to 9,721,438,213,968 would take you about seven hundred seventy-two thousand, seven hundred seventy-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 9721438213968 cubic inches would be around 1778.5 feet tall.

Recreational maths with 9721438213968

• 9721438213968 backwards is 8693128341279
• The number of decimal digits it has is: 13
• The sum of 9721438213968's digits is 63
• More coming soon!