18117128772813456

Names of 18117128772813456

• Cardinal: 18117128772813456 can be written as Eighteen quadrillion, one hundred seventeen trillion, one hundred twenty-eight billion, seven hundred seventy-two million, eight hundred thirteen thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 1.8117128772813456 × 10¹⁶

Factors of 18117128772813456

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3588

Divisors of 18117128772813456

• Number of divisors d(n): 405
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 41 48 72 79 82 123 144 158 164 237 246 316 328 369 474 492 632 656 711 738 948 984 1264 1422 1476 1681 1896 1968 2844 2952 3239 3362 3463 3792 5043 5688 5904 6241 6478 6724 6926 9717 10086 10389 11376 12482 12956 13448 13852 15129 18723 19434 20172 20778 24964 25912 26896 27704 29151 30258 31167 37446 38868 40344 41556 49928 51824 55408 56169 58302 60516 62334 74892 77736 80688 83112 99856 112338 116604 121032 124668 132799 141983 149784 155472 166224 224676 233208 242064 249336 255881 265598 273577 283966 299568 398397 425949 449352 466416 498672 511762 531196 547154 567932 767643 796794 820731 851898 898704 1023524 1062392 1094308 1135864 1195191 1277847 1535286 1593588 1641462 1703796 2047048 2124784 2188616 2271728 2302929 2390382 2462193 2555694 3070572 3187176 3282924 3407592 4094096 4377232 4605858 4780764 4924386 5111388 5821303 6141144 6374352 6565848 6815184 9211716 9561528 9848772 10222776 10491121 11216657 11642606 11992369 12282288 13131696 17463909 18423432 19123056 19697544 20445552 20982242 21612583 22433314 23285212 23984738 31473363 33649971 34927818 35977107 36846864 39395088 41964484 43225166 44866628 46570424 47969476 52391727 62946726 64837749 67299942 69855636 71954214 83928968 86450332 89733256 93140848 94420089 95938952 100949913 104783454 107931321 125893452 129675498 134599884 139711272 143908428 167857936 172900664 179466512 188840178 191877904 194513247 201899826 209566908 215862642 251786904 259350996 269199768 279422544 287816856 345801328 377680356 389026494 403799652 419133816 431725284 459882937 491687129 503573808 518701992 538399536 575633712 755360712 778052988 807599304 838267632 863450568 886115903 919765874 947397151 983374258 1037403984 1379648811 1475061387 1510721424 1556105976 1615198608 1726901136 1772231806 1839531748 1894794302 1966748516 2658347709 2759297622 2842191453 2950122774 3112211952 3544463612 3679063496 3789588604 3933497032 4138946433 4425184161 5316695418 5518595244 5684382906 5900245548 7088927224 7358126992 7579177208 7866994064 7975043127 8277892866 8526574359 8850368322 10633390836 11037190488 11368765812 11800491096 14177854448 15158354416 15950086254 16555785732 17053148718 17700736644 20159172289 21266781672 22074380976 22737531624 23600982192 31900172508 33111571464 34106297436 35401473288 36330752023 38843283191 40318344578 42533563344 45475063248 60477516867 63800345016 66223142928 68212594872 70802946576 72661504046 74844374929 77686566382 80636689156 108992256069 116529849573 120955033734 127600690032 136425189744 145323008092 149688749858 155373132764 161273378312 181432550601 217984512138 224533124787 233059699146 241910067468 290646016184 299377499716 310746265528 322546756624 326976768207 349589548719 362865101202 435969024276 449066249574 466119398292 483820134936 581292032368 598754999432 621492531056 653953536414 673599374361 699179097438 725730202404 871938048552 898132499148 932238796584 967640269872 1197509998864 1307907072828 1347198748722 1398358194876 1451460404808 1592574610831 1743876097104 1796264998296 1864477593168 2615814145656 2694397497444 2796716389752 2902920809616 3068619372089 3185149221662 3592529996592 4777723832493 5231628291312 5388794994888 5593432779504 6137238744178 6370298443324 9205858116267 9555447664986 10777589989776 12274477488356 12740596886648 14333171497479 18411716232534 19110895329972 24548954976712 25481193773296 27617574348801 28666342994958 36823432465068 38221790659944 49097909953424 55235148697602 57332685989916 73646864930136 76443581319888 110470297395204 114665371979832 125813394255649 147293729860272 220940594790408 229330743959664 251626788511298 377440182766947 441881189580816 503253577022596 754880365533894 1006507154045192 1132320548300841 1509760731067788 2013014308090384 2264641096601682 3019521462135576 4529282193203364 6039042924271152 9058564386406728 18117128772813456
• Sum of all divisors σ(n): 52650987981427017
• Sum of proper divisors (its aliquot sum) s(n): 34533859208613561
• 18117128772813456 is an abundant number, because the sum of its proper divisors (34533859208613561) is greater than itself. Its abundance is 16416730435800105

Bases of 18117128772813456

• Binary: 1000000010111010110111011000000110110101000001010010000₂
• Hexadecimal: 0x405D6EC0DA8290
• Base-36: 4YDZI24XHG0

Squares and roots of 18117128772813456

• 18117128772813456 squared (18117128772813456²) is 328230354970705202189373774663936
• 18117128772813456 cubed (18117128772813456³) is 5946591608150537387348230976578398769609618722816
• 18117128772813456 is a perfect square number. Its square root is 134599884
• The cube root of 18117128772813456 is 262641.3631223911

Scales and comparisons

• 18,117,128,772,813,456 seconds is equal to 576,068,655 years, 6 days, 1 hour, 57 minutes, 36 seconds.
• To count from 1 to 18,117,128,772,813,456 would take you about one billion, seven hundred twenty-eight million, two hundred five thousand, nine hundred sixty-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 18117128772813456 cubic inches would be around 21886.8 feet tall.

Recreational maths with 18117128772813456

• 18117128772813456 backwards is 65431827782171181
• 18117128772813456 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18117128772813456's digits is 72
• More coming soon!