138085008464

Names of 138085008464

• Cardinal: 138085008464 can be written as One hundred thirty-eight billion, eighty-five million, eight thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.38085008464 × 10¹¹

Factors of 138085008464

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1371

Divisors of 138085008464

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 8 13 16 26 29 52 58 104 116 169 208 232 338 377 464 676 754 1327 1352 1508 2654 2704 3016 4901 5308 6032 9802 10616 17251 19604 21232 34502 38483 39208 69004 76966 78416 138008 153932 224263 276016 307864 448526 500279 615728 897052 1000558 1760929 1794104 2001116 3521858 3588208 4002232 6503627 7043716 8004464 13007254 14087432 22892077 26014508 28174864 45784154 51066941 52029016 91568308 102133882 104058032 183136616 204267764 297597001 366273232 408535528 595194002 663870233 817071056 1190388004 1327740466 2380776008 2655480932 4761552016 5310961864 8630313029 10621923728 17260626058 34521252116 69042504232 138085008464
• Sum of all divisors σ(n): 299918518830
• Sum of proper divisors (its aliquot sum) s(n): 161833510366
• 138085008464 is an abundant number, because the sum of its proper divisors (161833510366) is greater than itself. Its abundance is 23748501902

Bases of 138085008464

• Binary: 10000000100110100000100000010001010000₂
• Hexadecimal: 0x2026820450
• Base-36: 1RFO8YFK

Squares and roots of 138085008464

• 138085008464 squared (138085008464²) is 19067469562502951639296
• 138085008464 cubed (138085008464³) is 2632931695925282454137170835001344
• The square root of 138085008464 is 371597.9123515093
• The cube root of 138085008464 is 5168.7101309967

Scales and comparisons

• 138,085,008,464 seconds is equal to 4,390 years, 35 weeks, 1 day, 2 hours, 47 minutes, 44 seconds.
• To count from 1 to 138,085,008,464 would take you about eight thousand, seven hundred eighty-one 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 138085008464 cubic inches would be around 430.7 feet tall.

Recreational maths with 138085008464

• 138085008464 backwards is 464800580831
• The number of decimal digits it has is: 12
• The sum of 138085008464's digits is 47
• More coming soon!