138929779691008

Names of 138929779691008

• Cardinal: 138929779691008 can be written as One hundred thirty-eight trillion, nine hundred twenty-nine billion, seven hundred seventy-nine million, six hundred ninety-one thousand and eight.

Scientific notation

• Scientific notation: 1.38929779691008 × 10¹⁴

Factors of 138929779691008

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 15961601546

Divisors of 138929779691008

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 8 16 17 32 34 64 68 128 136 256 272 512 544 1088 2176 4352 8704 15961601527 31923203054 63846406108 127692812216 255385624432 271347225959 510771248864 542694451918 1021542497728 1085388903836 2043084995456 2170777807672 4086169990912 4341555615344 8172339981824 8683111230688 17366222461376 34732444922752 69464889845504 138929779691008
• Sum of all divisors σ(n): 293916930536592
• Sum of proper divisors (its aliquot sum) s(n): 154987150845584
• 138929779691008 is an abundant number, because the sum of its proper divisors (154987150845584) is greater than itself. Its abundance is 16057371154576

Bases of 138929779691008

• Binary: 11111100101101100011100001010101100111000000000₂
• Hexadecimal: 0x7E5B1C2ACE00
• Base-36: 1D8VGJRMKG

Squares and roots of 138929779691008

• 138929779691008 squared (138929779691008²) is 19301483684992018931956056064
• 138929779691008 cubed (138929779691008³) is 2681550876065526445179435924816220244672512
• The square root of 138929779691008 is 11786847.7419116601
• The cube root of 138929779691008 is 51792.2902230619

Scales and comparisons

• 138,929,779,691,008 seconds is equal to 4,417,537 years, 13 weeks, 2 days, 5 hours, 43 minutes, 28 seconds.
• To count from 1 to 138,929,779,691,008 would take you about eleven million, forty-three thousand, eight hundred forty-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 138929779691008 cubic inches would be around 4316 feet tall.

Recreational maths with 138929779691008

• 138929779691008 backwards is 800196977929831
• The number of decimal digits it has is: 15
• The sum of 138929779691008's digits is 79
• More coming soon!