138631842846

Names of 138631842846

• Cardinal: 138631842846 can be written as One hundred thirty-eight billion, six hundred thirty-one million, eight hundred forty-two thousand, eight hundred forty-six.

Scientific notation

• Scientific notation: 1.38631842846 × 10¹¹

Factors of 138631842846

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 12646624

Divisors of 138631842846

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 29 42 54 58 63 87 126 174 189 203 261 378 406 522 609 783 1218 1566 1827 3654 5481 10962 12646583 25293166 37939749 75879498 88526081 113819247 177052162 227638494 265578243 341457741 366750907 531156486 682915482 733501814 796734729 1100252721 1593469458 2200505442 2390204187 2567256349 3300758163 4780408374 5134512698 6601516326 7701769047 9902274489 15403538094 19804548978 23105307141 46210614282 69315921423 138631842846
• Sum of all divisors σ(n): 364221619200
• Sum of proper divisors (its aliquot sum) s(n): 225589776354
• 138631842846 is an abundant number, because the sum of its proper divisors (225589776354) is greater than itself. Its abundance is 86957933508

Bases of 138631842846

• Binary: 10000001000111000110100000110000011110₂
• Hexadecimal: 0x20471A0C1E
• Base-36: 1ROPTIJI

Squares and roots of 138631842846

• 138631842846 squared (138631842846²) is 19218787850878041379716
• 138631842846 cubed (138631842846³) is 2664335977033538715665073524111736
• The square root of 138631842846 is 372332.9730845765
• The cube root of 138631842846 is 5175.5240630373

Scales and comparisons

• 138,631,842,846 seconds is equal to 4,408 years, 3 weeks, 2 days, 5 hours, 14 minutes, 6 seconds.
• To count from 1 to 138,631,842,846 would take you about eight thousand, eight hundred sixteen 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 138631842846 cubic inches would be around 431.3 feet tall.

Recreational maths with 138631842846

• 138631842846 backwards is 648248136831
• 138631842846 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138631842846's digits is 54
• More coming soon!