642420400363632

Names of 642420400363632

• Cardinal: 642420400363632 can be written as Six hundred forty-two trillion, four hundred twenty billion, four hundred million, three hundred sixty-three thousand, six hundred thirty-two.

Scientific notation

• Scientific notation: 6.42420400363632 × 10¹⁴

Factors of 642420400363632

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 45063159413

Divisors of 642420400363632

• Number of divisors d(n): 100
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 33 36 44 48 54 66 72 81 88 99 108 132 144 162 176 198 216 264 297 324 396 432 528 594 648 792 891 1188 1296 1584 1782 2376 3564 4752 7128 14256 45063159397 90126318794 135189478191 180252637588 270378956382 360505275176 405568434573 495694753367 540757912764 721010550352 811136869146 991389506734 1081515825528 1216705303719 1487084260101 1622273738292 1982779013468 2163031651056 2433410607438 2974168520202 3244547476584 3650115911157 3965558026936 4461252780303 4866821214876 5948337040404 6489094953168 7300231822314 7931116053872 8922505560606 9733642429752 11896674080808 13383758340909 14600463644628 17845011121212 19467284859504 23793348161616 26767516681818 29200927289256 35690022242424 40151275022727 53535033363636 58401854578512 71380044484848 80302550045454 107070066727272 160605100090908 214140133454544 321210200181816 642420400363632
• Sum of all divisors σ(n): 2028382930822776
• Sum of proper divisors (its aliquot sum) s(n): 1385962530459144
• 642420400363632 is an abundant number, because the sum of its proper divisors (1385962530459144) is greater than itself. Its abundance is 743542130095512

Bases of 642420400363632

• Binary: 10010010000100011100100111110000101001100001110000₂
• Hexadecimal: 0x2484727C29870
• Base-36: 6BPVUVKN00

Squares and roots of 642420400363632

• 642420400363632 squared (642420400363632²) is 412703970803369229917828231424
• 642420400363632 cubed (642420400363632³) is 265129450155161152342673939376178365049171968
• The square root of 642420400363632 is 25346013.5004231385
• The cube root of 642420400363632 is 86285.8883228331

Scales and comparisons

• 642,420,400,363,632 seconds is equal to 20,426,981 years, 30 weeks, 6 days, 12 hours, 7 minutes, 12 seconds.
• To count from 1 to 642,420,400,363,632 would take you about fifty-one million, sixty-seven thousand, four hundred fifty-three 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 642420400363632 cubic inches would be around 7190.5 feet tall.

Recreational maths with 642420400363632

• 642420400363632 backwards is 236363004024246
• The number of decimal digits it has is: 15
• The sum of 642420400363632's digits is 45
• More coming soon!