642240822708

Names of 642240822708

• Cardinal: 642240822708 can be written as Six hundred forty-two billion, two hundred forty million, eight hundred twenty-two thousand, seven hundred eight.

Scientific notation

• Scientific notation: 6.42240822708 × 10¹¹

Factors of 642240822708

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 7043212

Divisors of 642240822708

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 17 18 34 36 51 68 102 149 153 204 298 306 447 596 612 894 1341 1788 2533 2682 5066 5364 7599 10132 15198 22797 30396 45594 91188 7043041 14086082 21129123 28172164 42258246 63387369 84516492 119731697 126774738 239463394 253549476 359195091 478926788 718390182 1049413109 1077585273 1436780364 2098826218 2155170546 3148239327 4197652436 4310341092 6296478654 9444717981 12592957308 17840022853 18889435962 35680045706 37778871924 53520068559 71360091412 107040137118 160560205677 214080274236 321120411354 642240822708
• Sum of all divisors σ(n): 1730475419400
• Sum of proper divisors (its aliquot sum) s(n): 1088234596692
• 642240822708 is an abundant number, because the sum of its proper divisors (1088234596692) is greater than itself. Its abundance is 445993773984

Bases of 642240822708

• Binary: 1001010110001000100010010011110110110100₂
• Hexadecimal: 0x9588893DB4
• Base-36: 871HLQD0

Squares and roots of 642240822708

• 642240822708 squared (642240822708²) is 412473274352648688453264
• 642240822708 cubed (642240822708³) is 264907175065307689791121451367918912
• The square root of 642240822708 is 801399.2904339259
• The cube root of 642240822708 is 8627.7847657903

Scales and comparisons

• 642,240,822,708 seconds is equal to 20,421 years, 14 weeks, 20 hours, 31 minutes, 48 seconds.
• To count from 1 to 642,240,822,708 would take you about forty thousand, eight hundred forty-two 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 642240822708 cubic inches would be around 719 feet tall.

Recreational maths with 642240822708

• 642240822708 backwards is 807228042246
• The number of decimal digits it has is: 12
• The sum of 642240822708's digits is 45
• More coming soon!