138458426436

Names of 138458426436

• Cardinal: 138458426436 can be written as One hundred thirty-eight billion, four hundred fifty-eight million, four hundred twenty-six thousand, four hundred thirty-six.

Scientific notation

• Scientific notation: 1.38458426436 × 10¹¹

Factors of 138458426436

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 10595243

Divisors of 138458426436

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 99 108 121 132 198 242 297 363 396 484 594 726 1089 1188 1452 2178 3267 4356 6534 13068 10595227 21190454 31785681 42380908 63571362 95357043 116547497 127142724 190714086 233094994 286071129 349642491 381428172 466189988 572142258 699284982 1048927473 1144284516 1282022467 1398569964 2097854946 2564044934 3146782419 3846067401 4195709892 5128089868 6293564838 7692134802 11538202203 12587129676 15384269604 23076404406 34614606609 46152808812 69229213218 138458426436
• Sum of all divisors σ(n): 394566290720
• Sum of proper divisors (its aliquot sum) s(n): 256107864284
• 138458426436 is an abundant number, because the sum of its proper divisors (256107864284) is greater than itself. Its abundance is 117649437848

Bases of 138458426436

• Binary: 10000000111100110000111110110001000100₂
• Hexadecimal: 0x203CC3EC44
• Base-36: 1RLUKLL0

Squares and roots of 138458426436

• 138458426436 squared (138458426436²) is 19170735851133223662096
• 138458426436 cubed (138458426436³) is 2654349919568117295653853537569856
• The square root of 138458426436 is 372100.0220854603
• The cube root of 138458426436 is 5173.3651186829

Scales and comparisons

• 138,458,426,436 seconds is equal to 4,402 years, 28 weeks, 4 days, 2 hours, 36 seconds.
• To count from 1 to 138,458,426,436 would take you about eight thousand, eight hundred five 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 138458426436 cubic inches would be around 431.1 feet tall.

Recreational maths with 138458426436

• 138458426436 backwards is 634624854831
• 138458426436 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138458426436's digits is 54
• More coming soon!