21715368985072672

Names of 21715368985072672

• Cardinal: 21715368985072672 can be written as Twenty-one quadrillion, seven hundred fifteen trillion, three hundred sixty-eight billion, nine hundred eighty-five million, seventy-two thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.1715368985072672 × 10¹⁶

Factors of 21715368985072672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 322

Divisors of 21715368985072672

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 4 7 8 13 14 16 19 26 28 32 38 49 52 56 76 91 98 104 112 133 152 182 196 208 224 247 266 281 304 343 361 364 392 416 494 532 562 608 637 686 722 728 784 931 988 1064 1124 1274 1372 1444 1456 1568 1729 1862 1967 1976 2128 2248 2527 2548 2744 2888 2912 3458 3653 3724 3934 3952 4256 4459 4496 4693 5054 5096 5339 5488 5776 6517 6859 6916 7306 7448 7868 7904 8918 8992 9386 10108 10192 10678 10976 11552 12103 13034 13718 13769 13832 14612 14896 15736 17689 17836 18772 20216 20384 21356 24206 25571 26068 27436 27538 27664 29224 29792 31472 32851 35378 35672 37373 37544 40432 42712 48013 48412 51142 52136 54872 55076 55328 58448 62944 65702 69407 70756 71344 74746 75088 78961 80864 84721 85424 89167 96026 96383 96824 101441 102284 104272 109744 110152 116896 123823 131404 138814 141512 142688 149492 150176 157922 169442 170848 178334 178997 192052 192766 193648 202882 204568 208544 219488 220304 229957 247646 261611 262808 277628 283024 298984 315844 336091 338884 356668 357994 384104 385532 387296 405764 409136 440608 459914 485849 495292 523222 525616 552727 555256 566048 597968 624169 631688 672182 677768 710087 713336 715988 768208 771064 811528 818272 919828 971698 990584 1026493 1046444 1051232 1105454 1110512 1195936 1248338 1252979 1263376 1318733 1344364 1355536 1420174 1426672 1431976 1500259 1536416 1542128 1609699 1623056 1831277 1839656 1927379 1943396 1981168 2052986 2092888 2210908 2221024 2352637 2496676 2505958 2526752 2637466 2688728 2711072 2840348 2853344 2863952 3000518 3084256 3219398 3246112 3400943 3662554 3679312 3854758 3869089 3886792 3962336 4105972 4185776 4369183 4421816 4705274 4970609 4993352 5011916 5274932 5377456 5680696 5727904 6001036 6438796 6801886 7185451 7325108 7358624 7709516 7738178 7773584 8211944 8371552 8738366 8843632 9231131 9410548 9941218 9986704 10023832 10501813 10549864 10754912 11361392 12002072 12877592 13491653 13603772 14370902 14650216 15419032 15476356 15547168 16423888 17476732 17687264 18462262 18821096 19503367 19882436 19973408 20047664 21003626 21099728 22188041 22722784 23806601 24004144 25055927 25755184 26983306 27083623 27207544 28504921 28741804 29300432 30584281 30838064 30952712 32847776 34794263 34953464 36924524 37642192 39006734 39764872 40095328 42007252 42199456 44376082 47613202 48008288 50111854 50298157 51510368 53966612 54167246 54415088 57009842 57483608 58600864 61168562 61676128 61905424 64617917 69588526 69906928 73512691 73849048 75284384 78013468 79529744 84014504 88752164 94441571 95226404 100223708 100596314 107933224 108334492 108830176 114019684 114967216 122337124 123810848 129235834 136523569 139177052 139813856 147025382 147698096 155316287 156026936 159059488 168029008 175391489 177504328 188883142 190452808 199534447 200447416 201192628 215866448 216668984 228039368 229934432 244674248 258471668 273047138 278354104 288444533 294050764 295396192 310632574 312053872 336058016 350782978 352087099 355008656 370563973 377766284 380905616 399068894 400894832 402385256 421572779 431732896 433337968 452325419 456078736 489348496 514588837 516943336 541593499 546094276 556708208 576889066 588101528 621265148 624107744 661090997 701565956 704174198 710017312 741127946 755532568 761811232 798137788 801789664 804770512 843145558 866675936 904650838 912157472 955664983 978696992 1029177674 1033886672 1083186998 1087214009 1092188552 1113416416 1153778132 1176203056 1227740423 1242530296 1322181994 1396741129 1403131912 1408348396 1482255892 1511065136 1596275576 1609541024 1686291116 1809301676 1911329966 2019111731 2058355348 2067773344 2166373996 2174428018 2184377104 2307556264 2352406112 2455480846 2485060592 2593947811 2644363988 2793482258 2806263824 2816696792 2951009453 2964511784 3022130272 3192551152 3372582232 3618603352 3791154493 3822659932 4038223462 4116710696 4332747992 4348856036 4368754208 4615112528 4910961692 4970121184 5187895622 5288727976 5480446127 5586964516 5612527648 5633393584 5902018906 5929023568 6385102304 6689654881 6745164464 7040715487 7237206704 7582308986 7610498063 7645319864 8009882801 8076446924 8233421392 8594182961 8665495984 8697712072 9230225056 9777187903 9821923384 10375791244 10577455952 10960892254 11173929032 11266787168 11804037812 11858047136 13379309762 13490328928 14081430974 14133782117 14474413408 15164617972 15220996126 15290639728 16019765602 16152893848 16466842784 17188365922 17330991968 17395424144 18157634677 19554375806 19643846768 20657066171 20751582488 21154911904 21921784508 22347858064 23608075624 26538081451 26758619524 28162861948 28267564234 30329235944 30441992252 30581279456 32039531204 32305787696 34376731844 34790848288 36315269354 38363122889 39108751612 39287693536 41314132342 41503164976 43843569016 44695716128 47216151248 49285008409 53076162902 53517239048 56069179607 56325723896 56535128468 60658471888 60883984504 64079062408 64611575392 68753463688 72630538708 76726245778 78217503224 82628264684 83006329952 87687138032 94432302496 98570016818 98936474819 104128476413 106152325804 107034478096 112138359214 112651447792 113070256936 121316943776 121767969008 127103442739 128158124816 137506927376 144599463197 145261077416 152187773219 153452491556 156435006448 165256529368 175374276064 185766570157 197140033636 197872949638 208256952826 212304651608 214068956192 224276718428 225302895584 226140513872 243535938016 254206885478 256316249632 268541860223 275013854752 289198926394 290522154832 304375546438 306904983112 312870012896 330513058736 344995058863 371533140314 392484257249 394280067272 395745899276 416513905652 424609303216 448553436856 452281027744 508413770956 537083720446 578397852788 581044309664 608751092876 613809966224 661026117472 689990117726 728899334891 743066280628 784968514498 788560134544 791491798552 833027811304 849218606432 897106873712 1016827541912 1065314412533 1074167440892 1156795705576 1217502185752 1227619932448 1379980235452 1457798669782 1486132561256 1569937028996 1577120269088 1582983597104 1666055622608 1794213747424 1879793021561 1978441051847 2033655083824 2130628825066 2148334881784 2313591411152 2414965412041 2435004371504 2747389800743 2759960470904 2915597339564 2972265122512 3139874057992 3165967194208 3332111245216 3759586043122 3956882103694 4067310167648 4261257650132 4296669763568 4627182822304 4829930824082 4870008743008 5102295344237 5494779601486 5519920941808 5831194679128 5944530245024 6279748115984 7457200887731 7519172086244 7913764207388 8522515300264 8593339527136 9659861648164 10204590688474 10989559202972 11039841883616 11662389358256 12559496231968 13849087362929 14914401775462 15038344172488 15827528414776 17045030600528 19319723296328 20409181376948 21979118405944 23324778716512 27698174725858 29828803550924 30076688344976 31655056829552 34090061201056 35716067409659 38639446592656 40818362753896 43958236811888 52200406214117 55396349451716 59657607101848 60153376689952 63310113659104 71432134819318 77278893185312 81636725507792 87916473623776 96943611540503 104400812428234 110792698903432 119315214203696 142864269638636 163273451015584 193887223081006 208801624856468 221585397806864 238630428407392 285728539277272 387774446162012 417603249712936 443170795613728 571457078554544 678605280783521 775548892324024 835206499425872 1142914157109088 1357210561567042 1551097784648048 1670412998851744 2714421123134084 3102195569296096 5428842246268168 10857684492536336 21715368985072672
• Sum of all divisors σ(n): 56876700037248000
• Sum of proper divisors (its aliquot sum) s(n): 35161331052175328
• 21715368985072672 is an abundant number, because the sum of its proper divisors (35161331052175328) is greater than itself. Its abundance is 13445962067102656

Bases of 21715368985072672

• Binary: 1001101001001100000001101010110100001011001010000100000₂
• Hexadecimal: 0x4D260356859420
• Base-36: 5XTGESJI04G

Squares and roots of 21715368985072672

• 21715368985072672 squared (21715368985072672²) is 471557250157856128814761121219584
• 21715368985072672 cubed (21715368985072672³) is 10240039684764064342239700182508806088403509608448
• The square root of 21715368985072672 is 147361355.1277018897
• The cube root of 21715368985072672 is 278990.2789274621

Scales and comparisons

• 21,715,368,985,072,672 seconds is equal to 690,481,563 years, 35 weeks, 2 days, 1 hour, 57 minutes, 52 seconds.
• To count from 1 to 21,715,368,985,072,672 would take you about two billion, seventy-one million, four hundred forty-four thousand, six hundred ninety-one 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 21715368985072672 cubic inches would be around 23249.2 feet tall.

Recreational maths with 21715368985072672

• 21715368985072672 backwards is 27627058986351712
• The number of decimal digits it has is: 17
• The sum of 21715368985072672's digits is 79
• More coming soon!