138935461871664

Names of 138935461871664

• Cardinal: 138935461871664 can be written as One hundred thirty-eight trillion, nine hundred thirty-five billion, four hundred sixty-one million, eight hundred seventy-one thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 1.38935461871664 × 10¹⁴

Factors of 138935461871664

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2883305

Divisors of 138935461871664

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 386413 772826 1159239 1545652 2318478 2496887 3091304 3477717 4636956 4993774 6182608 6955434 7490661 9273912 9987548 13910868 14981322 18547824 19975096 22471983 27821736 29962644 39950192 44943966 55643472 59925288 89887932 119850576 179775864 359551728 964829596331 1929659192662 2894488788993 3859318385324 5788977577986 7718636770648 8683466366979 11577955155972 15437273541296 17366932733958 23155910311944 34733865467916 46311820623888 69467730935832 138935461871664
• Sum of all divisors σ(n): 388827489291696
• Sum of proper divisors (its aliquot sum) s(n): 249892027420032
• 138935461871664 is an abundant number, because the sum of its proper divisors (249892027420032) is greater than itself. Its abundance is 110956565548368

Bases of 138935461871664

• Binary: 11111100101110001101110110110100000000000110000₂
• Hexadecimal: 0x7E5C6EDA0030
• Base-36: 1D8Y2ISH80

Squares and roots of 138935461871664

• 138935461871664 squared (138935461871664²) is 19303062565492601114006128896
• 138935461871664 cubed (138935461871664³) is 2681879913074341955951097732430219394002944
• The square root of 138935461871664 is 11787088.7784755401
• The cube root of 138935461871664 is 51792.9963091109

Scales and comparisons

• 138,935,461,871,664 seconds is equal to 4,417,717 years, 48 weeks, 3 days, 5 hours, 14 minutes, 24 seconds.
• To count from 1 to 138,935,461,871,664 would take you about eleven million, forty-four thousand, two hundred ninety-four 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 138935461871664 cubic inches would be around 4316.1 feet tall.

Recreational maths with 138935461871664

• 138935461871664 backwards is 466178164539831
• 138935461871664 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 138935461871664's digits is 72
• More coming soon!