138855762216

Names of 138855762216

• Cardinal: 138855762216 can be written as One hundred thirty-eight billion, eight hundred fifty-five million, seven hundred sixty-two thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 1.38855762216 × 10¹¹

Factors of 138855762216

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 20737157

Divisors of 138855762216

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 31 36 54 62 72 93 108 124 186 216 248 279 372 558 744 837 1116 1674 2232 3348 6696 20737121 41474242 62211363 82948484 124422726 165896968 186634089 248845452 373268178 497690904 559902267 642850751 746536356 1119804534 1285701502 1493072712 1928552253 2239609068 2571403004 3857104506 4479218136 5142806008 5785656759 7714209012 11571313518 15428418024 17356970277 23142627036 34713940554 46285254072 69427881108 138855762216
• Sum of all divisors σ(n): 398152742400
• Sum of proper divisors (its aliquot sum) s(n): 259296980184
• 138855762216 is an abundant number, because the sum of its proper divisors (259296980184) is greater than itself. Its abundance is 120441217968

Bases of 138855762216

• Binary: 10000001010100011100101100100100101000₂
• Hexadecimal: 0x205472C928
• Base-36: 1RSF4VU0

Squares and roots of 138855762216

• 138855762216 squared (138855762216²) is 19280922700586333230656
• 138855762216 cubed (138855762216³) is 2677267217817692450855308617693696
• The square root of 138855762216 is 372633.5495040671
• The cube root of 138855762216 is 5178.3090814187

Scales and comparisons

• 138,855,762,216 seconds is equal to 4,415 years, 9 weeks, 3 days, 21 hours, 3 minutes, 36 seconds.
• To count from 1 to 138,855,762,216 would take you about eight thousand, eight hundred thirty 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 138855762216 cubic inches would be around 431.5 feet tall.

Recreational maths with 138855762216

• 138855762216 backwards is 612267558831
• 138855762216 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138855762216's digits is 54
• More coming soon!