21153407423328972

Names of 21153407423328972

• Cardinal: 21153407423328972 can be written as Twenty-one quadrillion, one hundred fifty-three trillion, four hundred seven billion, four hundred twenty-three million, three hundred twenty-eight thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 2.1153407423328972 × 10¹⁶

Factors of 21153407423328972

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 400210

Divisors of 21153407423328972

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 19 22 33 36 38 44 57 66 73 76 99 114 121 132 146 171 198 209 219 228 242 292 342 363 396 418 438 484 627 657 684 726 803 836 876 1089 1254 1314 1387 1452 1606 1881 2178 2299 2409 2508 2628 2774 3212 3762 4161 4356 4598 4818 5548 6897 7227 7524 8322 8833 8951 9196 9636 12483 13794 14454 15257 16644 17666 17902 20691 24966 26499 26853 27588 28908 30514 35332 35804 41382 45771 49932 52998 53706 61028 79497 80559 82764 91542 98461 105996 107412 137313 158994 161118 167827 170069 183084 196922 274626 295383 317988 322236 335654 340138 391151 393844 503481 510207 549252 590766 653423 671308 680276 782302 886149 1006962 1020414 1083071 1173453 1181532 1306846 1510443 1530621 1564604 1772298 1870759 1960269 2013924 2040828 2166142 2346906 2613692 3020886 3061242 3249213 3520359 3544596 3741518 3920538 4302661 4332284 4693812 5612277 5880807 6041772 6122484 6498426 7040718 7187653 7431869 7483036 7841076 8605322 9747639 11224554 11761614 12415037 12907983 12996852 14081436 14375306 14863738 16836831 17210644 19495278 20578349 21562959 22295607 22449108 23523228 24830074 25815966 28554023 28750612 29727476 33673662 37245111 38723949 38990556 41156698 43125918 44591214 47329271 49660148 51631932 57108046 61735047 64688877 66886821 67347324 74490222 77447898 79064183 81750559 82313396 85662069 86251836 89182428 94658542 111735333 114216092 123470094 129377754 133773642 136565407 141987813 148980444 154895796 158128366 163501118 171324138 185205141 189317084 223470666 237192549 245251677 246940188 256986207 258755508 267547284 273130814 283975626 314094253 316256732 327002236 342648276 370410282 409696221 425963439 446941332 474385098 490503354 513972414 542526437 546261628 567951252 628188506 711577647 735755031 740820564 819392442 851926878 899256149 942282759 948770196 981006708 1027944828 1085052874 1229088663 1256377012 1423155294 1471510062 1502219477 1627579311 1638784884 1703853756 1798512298 1884565518 2170105748 2458177326 2697768447 2826848277 2846310588 2943020124 3004438954 3255158622 3455036783 3501192601 3597024596 3769131036 4506658431 4882737933 4916354652 5395536894 5653696554 5967790807 6008877908 6510317244 6910073566 7002385202 8093305341 9013316862 9765475866 10365110349 10503577803 10791073788 11307393108 11935581614 13519975293 13820147132 14004770404 16186610682 17903372421 18026633724 19530951732 20730220698 21007155606 23871163228 27039950586 31095331047 31510733409 32373221364 35806744842 38513118611 41460441396 42014311212 53710117263 54079901172 62190662094 63021466818 65645698877 66522659419 71613489684 77026237222 107420234526 115539355833 124381324188 126042933636 131291397754 133045318838 154052474444 196937096631 199567978257 214840469052 231078711666 255587059873 262582795508 266090637676 346618067499 393874193262 399135956514 423644304721 462157423332 511174119746 590811289893 598703934771 693236134998 731749253609 766761179619 787748386524 798271913028 847288609442 1022348239492 1181622579786 1197407869542 1270932914163 1386472269996 1463498507218 1533522359238 1694577218884 2195247760827 2300283538857 2363245159572 2394815739084 2541865828326 2811457658603 2926997014436 3067044718476 3812798742489 4390495521654 4600567077714 4856154137587 5083731656652 5622915317206 6585743282481 7625597484978 8049241789699 8434372975809 8780991043308 9201134155428 9712308275174 11245830634412 13171486564962 14568462412761 15251194969956 16098483579398 16868745951618 19424616550348 24147725369097 25303118927427 26342973129924 29136924825522 30926034244633 32196967158796 33737491903236 43705387238283 48295450738194 50606237854854 53417695513457 58273849651044 61852068489266 72443176107291 87410774476566 92778102733899 96590901476388 101212475709708 106835391026914 123704136978532 144886352214582 160253086540371 174821548953132 185556205467798 213670782053828 278334308201697 289772704429164 320506173080742 371112410935596 480759259621113 556668616403394 587594650648027 641012346161484 961518519242226 1113337232806788 1175189301296054 1762783951944081 1923037038484452 2350378602592108 3525567903888162 5288351855832243 7051135807776324 10576703711664486 21153407423328972
• Sum of all divisors σ(n): 62722069214837760
• Sum of proper divisors (its aliquot sum) s(n): 41568661791508788
• 21153407423328972 is an abundant number, because the sum of its proper divisors (41568661791508788) is greater than itself. Its abundance is 20415254368179816

Bases of 21153407423328972

• Binary: 1001011001001101110100101110111010000011011001011001100₂
• Hexadecimal: 0x4B26E97741B2CC
• Base-36: 5SA997R1ZV0

Squares and roots of 21153407423328972

• 21153407423328972 squared (21153407423328972²) is 447466645617349258422626534576784
• 21153407423328972 cubed (21153407423328972³) is 9465444263094150218042764027915117125400425786048
• The square root of 21153407423328972 is 145442110.2134074925
• The cube root of 21153407423328972 is 276562.5970143993

Scales and comparisons

• 21,153,407,423,328,972 seconds is equal to 672,612,924 years, 14 weeks, 2 days, 16 hours, 16 minutes, 12 seconds.
• To count from 1 to 21,153,407,423,328,972 would take you about two billion, seventeen million, eight hundred thirty-eight thousand, seven hundred seventy-two 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 21153407423328972 cubic inches would be around 23046.9 feet tall.

Recreational maths with 21153407423328972

• 21153407423328972 backwards is 27982332470435112
• The number of decimal digits it has is: 17
• The sum of 21153407423328972's digits is 63
• More coming soon!