642755071374

Names of 642755071374

• Cardinal: 642755071374 can be written as Six hundred forty-two billion, seven hundred fifty-five million, seventy-one thousand, three hundred seventy-four.

Scientific notation

• Scientific notation: 6.42755071374 × 10¹¹

Factors of 642755071374

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 824

Divisors of 642755071374

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 13 26 39 78 97 169 194 291 338 507 582 709 1014 1261 1418 2127 2197 2522 3783 4254 4394 6591 7566 9217 13182 16393 18434 27651 32786 49179 55302 68773 98358 119821 137546 206319 213109 239642 359463 412638 426218 502681 639327 718926 894049 1005362 1278654 1508043 1557673 1788098 2682147 3016086 3115346 4673019 5364294 6534853 9346038 11622637 13069706 19604559 23245274 34867911 39209118 48760057 69735822 84953089 97520114 146280171 151094281 169906178 254859267 292560342 302188562 453282843 509718534 633880741 906565686 1104390157 1267761482 1901642223 2208780314 3313170471 3803284446 6626340942 8240449633 16480899266 24721348899 49442697798 107125845229 214251690458 321377535687 642755071374
• Sum of all divisors σ(n): 1408931002080
• Sum of proper divisors (its aliquot sum) s(n): 766175930706
• 642755071374 is an abundant number, because the sum of its proper divisors (766175930706) is greater than itself. Its abundance is 123420859332

Bases of 642755071374

• Binary: 1001010110100111001100000000110110001110₂
• Hexadecimal: 0x95A7300D8E
• Base-36: 879ZRV66

Squares and roots of 642755071374

• 642755071374 squared (642755071374²) is 413134081776995834247876
• 642755071374 cubed (642755071374³) is 265544026219604910193294211987901624
• The square root of 642755071374 is 801720.0704572637
• The cube root of 642755071374 is 8630.0869360313

Scales and comparisons

• 642,755,071,374 seconds is equal to 20,437 years, 32 weeks, 2 days, 19 hours, 22 minutes, 54 seconds.
• To count from 1 to 642,755,071,374 would take you about forty thousand, eight hundred seventy-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 642755071374 cubic inches would be around 719.2 feet tall.

Recreational maths with 642755071374

• 642755071374 backwards is 473170557246
• The number of decimal digits it has is: 12
• The sum of 642755071374's digits is 51
• More coming soon!