138996828165

Names of 138996828165

• Cardinal: 138996828165 can be written as One hundred thirty-eight billion, nine hundred ninety-six million, eight hundred twenty-eight thousand, one hundred sixty-five.

Scientific notation

• Scientific notation: 1.38996828165 × 10¹¹

Factors of 138996828165

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 356

Divisors of 138996828165

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 13 15 19 23 39 57 65 69 95 115 195 247 285 293 299 345 361 437 741 879 897 1083 1235 1311 1465 1495 1805 2185 3705 3809 4395 4485 4693 5415 5567 5681 6555 6739 8303 11427 14079 16701 17043 19045 20217 23465 24909 27835 28405 33695 41515 57135 70395 72371 83505 85215 85849 87607 101085 105773 107939 124545 128041 217113 257547 262821 317319 323817 361855 384123 429245 438035 528865 539695 640205 1085565 1116037 1287735 1314105 1375049 1586595 1619085 1631131 1664533 1920615 1974527 2432779 3348111 4125147 4893393 4993599 5580185 5923581 6875245 7298337 8155655 8322665 9872635 12163895 16740555 20625735 21204703 24466965 24967995 25668851 29617905 30991489 31626127 36491685 37516013 63614109 77006553 92974467 94878381 106023515 112548039 128344255 154957445 158130635 187580065 318070545 385032765 402889357 464872335 474391905 487708169 562740195 712804247 1208668071 1463124507 2014446785 2138412741 2438540845 3564021235 6043340355 7315622535 9266455211 10692063705 27799365633 46332276055 138996828165
• Sum of all divisors σ(n): 264664374912
• Sum of proper divisors (its aliquot sum) s(n): 125667546747
• 138996828165 is a deficient number, because the sum of its proper divisors (125667546747) is less than itself. Its deficiency is 13329281418

Bases of 138996828165

• Binary: 10000001011100110110110100100000000101₂
• Hexadecimal: 0x205CDB4805
• Base-36: 1RUR4F0L

Squares and roots of 138996828165

• 138996828165 squared (138996828165²) is 19320118239930537267225
• 138996828165 cubed (138996828165³) is 2685435155123107130068602011392125
• The square root of 138996828165 is 372822.7838598387
• The cube root of 138996828165 is 5180.0620655767

Scales and comparisons

• 138,996,828,165 seconds is equal to 4,419 years, 34 weeks, 5 days, 14 hours, 2 minutes, 45 seconds.
• To count from 1 to 138,996,828,165 would take you about eight thousand, eight hundred thirty-nine 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 138996828165 cubic inches would be around 431.7 feet tall.

Recreational maths with 138996828165

• 138996828165 backwards is 561828699831
• The number of decimal digits it has is: 12
• The sum of 138996828165's digits is 66
• More coming soon!