138707438023

Names of 138707438023

• Cardinal: 138707438023 can be written as One hundred thirty-eight billion, seven hundred seven million, four hundred thirty-eight thousand and twenty-three.

Scientific notation

• Scientific notation: 1.38707438023 × 10¹¹

Factors of 138707438023

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 276

Divisors of 138707438023

• Number of divisors d(n): 54
• Complete list of divisors:
  1 7 11 67 77 121 191 469 737 847 1337 2101 4489 5159 8107 12797 14707 23111 31423 36481 49379 56749 89579 140767 161777 255367 345653 401291 543169 857399 985369 1548437 2444227 2809037 3802183 4414201 6001793 9431389 10839059 17109589 26886497 30899407 66019723 103745279 163763209 188205479 295751467 726216953 1146342463 1801395299 2070260269 12609767093 19815348289 138707438023
• Sum of all divisors σ(n): 177814468104
• Sum of proper divisors (its aliquot sum) s(n): 39107030081
• 138707438023 is a deficient number, because the sum of its proper divisors (39107030081) is less than itself. Its deficiency is 99600407942

Bases of 138707438023

• Binary: 10000001001011100110111000100111000111₂
• Hexadecimal: 0x204B9B89C7
• Base-36: 1RPYTS5J

Squares and roots of 138707438023

• 138707438023 squared (138707438023²) is 19239753362904386148529
• 138707438023 cubed (138707438023³) is 2668696897162865968971945940118167
• The square root of 138707438023 is 372434.4748046293
• The cube root of 138707438023 is 5176.4646203115

Scales and comparisons

• 138,707,438,023 seconds is equal to 4,410 years, 24 weeks, 2 days, 3 hours, 53 minutes, 43 seconds.
• To count from 1 to 138,707,438,023 would take you about eight thousand, eight hundred twenty 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 138707438023 cubic inches would be around 431.4 feet tall.

Recreational maths with 138707438023

• 138707438023 backwards is 320834707831
• The number of decimal digits it has is: 12
• The sum of 138707438023's digits is 46
• More coming soon!