642312721479

Names of 642312721479

• Cardinal: 642312721479 can be written as Six hundred forty-two billion, three hundred twelve million, seven hundred twenty-one thousand, four hundred seventy-nine.

Scientific notation

• Scientific notation: 6.42312721479 × 10¹¹

Factors of 642312721479

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 196

Divisors of 642312721479

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 11 13 31 33 39 67 71 93 121 143 169 201 213 341 363 403 429 507 737 781 871 923 1023 1209 1573 1859 2077 2201 2211 2343 2613 2769 3751 4433 4719 4757 5041 5239 5577 6231 6603 8107 8591 9581 10153 11253 11323 11999 13299 14271 15123 15717 20449 22847 24211 24321 25773 27001 28613 28743 30459 33969 35997 48763 52327 55451 57629 61347 61841 65533 68541 72633 81003 85839 105391 111683 124553 131989 146289 147467 156271 156981 166353 172887 185523 196599 251317 266321 297011 314743 316173 335049 337747 351013 371969 373659 395967 442401 468813 575597 609961 633919 680251 720863 753951 798963 803933 851929 891033 944229 1013241 1053039 1115907 1370083 1451879 1622137 1718981 1726791 1829883 1901757 1917071 2031523 2040753 2162589 2411799 2555787 3267121 3462173 3715217 3861143 4091659 4110249 4355637 4390711 4866411 5156943 5751213 6094569 7482761 7929493 8843263 9371219 9801363 10386519 10470157 11145651 11583429 12274977 13172133 17843507 18908791 21087781 22346753 22448283 23788479 24921923 26409799 26529789 28113657 31410471 40867387 42472573 45008249 48297821 53530521 56726373 57079243 63263343 67040259 74765769 79229397 97275893 103083409 115171727 122602161 127417719 135024747 136112041 144893463 171237729 231965591 245814283 274141153 290507789 291827679 309250227 345515181 408336123 531276031 627871673 695896773 737442849 822423459 871523367 1266888997 1497232451 1593828093 1769456533 1883615019 3015552683 3195585679 3800666991 4491697353 5308369599 6906588403 9046658049 9586757037 16469556961 19464021863 20719765209 49408670883 58392065589 214104240493 642312721479
• Sum of all divisors σ(n): 1083171952128
• Sum of proper divisors (its aliquot sum) s(n): 440859230649
• 642312721479 is a deficient number, because the sum of its proper divisors (440859230649) is less than itself. Its deficiency is 201453490830

Bases of 642312721479

• Binary: 1001010110001100110100100101010001000111₂
• Hexadecimal: 0x958CD25447
• Base-36: 872OERT3

Squares and roots of 642312721479

• 642312721479 squared (642312721479²) is 412565632173759427947441
• 642312721479 cubed (642312721479³) is 264996153990231500775555039683785239
• The square root of 642312721479 is 801444.1474482175
• The cube root of 642312721479 is 8628.1067135457

Scales and comparisons

• 642,312,721,479 seconds is equal to 20,423 years, 29 weeks, 24 minutes, 39 seconds.
• To count from 1 to 642,312,721,479 would take you about forty thousand, eight hundred forty-seven 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 642312721479 cubic inches would be around 719 feet tall.

Recreational maths with 642312721479

• 642312721479 backwards is 974127213246
• The number of decimal digits it has is: 12
• The sum of 642312721479's digits is 48
• More coming soon!