642918999915161354

Names of 642918999915161354

• Cardinal: 642918999915161354 can be written as Six hundred forty-two quadrillion, nine hundred eighteen trillion, nine hundred ninety-nine billion, nine hundred fifteen million, one hundred sixty-one thousand, three hundred fifty-four.

Scientific notation

• Scientific notation: 6.42918999915161354 × 10¹⁷

Factors of 642918999915161354

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 26198379

Divisors of 642918999915161354

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 7 11 14 19 22 38 49 77 98 133 154 209 266 343 418 539 686 931 1078 1463 1862 2926 3773 6517 7546 10241 13034 20482 71687 143374 172297 344594 1206079 1895267 2412158 3273643 3790534 6547286 8442553 13266869 16885106 22915501 26026043 26533738 36010073 45831002 52052086 59097871 72020146 92868083 118195742 160408507 182182301 185736166 252070511 286286473 320817014 364364602 494494817 504141022 572572946 650076581 988989634 1122859549 1275276107 1300153162 1764493577 2004005311 2245719098 2550552214 3461463719 3528987154 4008010622 5439442987 6922927438 8926932749 10878885974 12351455039 14028037177 17853865498 24230246033 24702910078 28056074354 38076100909 48460492066 76152201818 98196260239 169611722231 196392520478 266532706363 339223444462 533065412726 1865728944541 3731457889082 4484209130771 8968418261542 31389463915397 49326300438481 62778927830794 85199973484649 98652600876962 170399946969298 219726247407779 345284103069367 439452494815558 596399814392543 690568206138734 937199708331139 1192799628785086 1538083731854453 1874399416662278 2416988721485569 3076167463708906 4174798700747801 4833977442971138 6560397958317973 8349597401495602 13120795916635946 16918921050398983 29223590905234607 33837842100797966 45922785708225811 58447181810469214 91845571416451622 321459499957580677 642918999915161354
• Sum of all divisors σ(n): 1291459774784256000
• Sum of proper divisors (its aliquot sum) s(n): 648540774869094646
• 642918999915161354 is an abundant number, because the sum of its proper divisors (648540774869094646) is greater than itself. Its abundance is 5621774953933292

Bases of 642918999915161354

• Binary: 100011101100000110110110110010010001010010101110011100001010₂
• Hexadecimal: 0x8EC1B6C914AE70A
• Base-36: 4VUFRJ60TO22

Squares and roots of 642918999915161354

• 642918999915161354 squared (642918999915161354²) is 413344840451911245111849595855113316
• 642918999915161354 cubed (642918999915161354³) is 265747251443434709201039052170110159741408974093989864
• The square root of 642918999915161354 is 801822299.4623941949
• The cube root of 642918999915161354 is 863082.0547413235

Scales and comparisons

• 642,918,999,915,161,354 seconds is equal to 20,442,835,518 years, 13 weeks, 4 days, 16 hours, 49 minutes, 14 seconds.
• To count from 1 to 642,918,999,915,161,354 would take you about sixty-one billion, three hundred twenty-eight million, five hundred six thousand, five hundred fifty-four 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 642918999915161354 cubic inches would be around 71923.5 feet tall.

Recreational maths with 642918999915161354

• 642918999915161354 backwards is 453161519999819246
• The number of decimal digits it has is: 18
• The sum of 642918999915161354's digits is 92
• More coming soon!