138457513376

Names of 138457513376

• Cardinal: 138457513376 can be written as One hundred thirty-eight billion, four hundred fifty-seven million, five hundred thirteen thousand, three hundred seventy-six.

Scientific notation

• Scientific notation: 1.38457513376 × 10¹¹

Factors of 138457513376

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 47547245

Divisors of 138457513376

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 52 56 91 104 112 182 208 224 364 416 728 1456 2912 47547223 95094446 190188892 332830561 380377784 618113899 665661122 760755568 1236227798 1331322244 1521511136 2472455596 2662644488 4326797293 4944911192 5325288976 8653594586 9889822384 10650577952 17307189172 19779644768 34614378344 69228756688 138457513376
• Sum of all divisors σ(n): 335493212544
• Sum of proper divisors (its aliquot sum) s(n): 197035699168
• 138457513376 is an abundant number, because the sum of its proper divisors (197035699168) is greater than itself. Its abundance is 58578185792

Bases of 138457513376

• Binary: 10000000111100101101011111110110100000₂
• Hexadecimal: 0x203CB5FDA0
• Base-36: 1RLU1128

Squares and roots of 138457513376

• 138457513376 squared (138457513376²) is 19170483010265218917376
• 138457513376 cubed (138457513376³) is 2654297407818177293560155758821376
• The square root of 138457513376 is 372098.7951821397
• The cube root of 138457513376 is 5173.3537467901

Scales and comparisons

• 138,457,513,376 seconds is equal to 4,402 years, 27 weeks, 12 hours, 22 minutes, 56 seconds.
• To count from 1 to 138,457,513,376 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 138457513376 cubic inches would be around 431.1 feet tall.

Recreational maths with 138457513376

• 138457513376 backwards is 673315754831
• The number of decimal digits it has is: 12
• The sum of 138457513376's digits is 53
• More coming soon!