138227488

Names of 138227488

• Cardinal: 138227488 can be written as One hundred thirty-eight million, two hundred twenty-seven thousand, four hundred eighty-eight.

Scientific notation

• Scientific notation: 1.38227488 × 10⁸

Factors of 138227488

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 617096

Divisors of 138227488

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 112 224 617087 1234174 2468348 4319609 4936696 8639218 9873392 17278436 19746784 34556872 69113744 138227488
• Sum of all divisors σ(n): 311012352
• Sum of proper divisors (its aliquot sum) s(n): 172784864
• 138227488 is an abundant number, because the sum of its proper divisors (172784864) is greater than itself. Its abundance is 34557376

Bases of 138227488

• Binary: 1000001111010010111100100000₂
• Hexadecimal: 0x83D2F20
• Base-36: 2AAP0G

Squares and roots of 138227488

• 138227488 squared (138227488²) is 19106838438790144
• 138227488 cubed (138227488³) is 2641090281015803364278272
• The square root of 138227488 is 11757.0186697139
• The cube root of 138227488 is 517.0487254341

Scales and comparisons

• 138,227,488 seconds is equal to 4 years, 20 weeks, 3 days, 20 hours, 31 minutes, 28 seconds.
• To count from 1 to 138,227,488 would take you about six 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 138227488 cubic inches would be around 43.1 feet tall.

Recreational maths with 138227488

• 138227488 backwards is 884722831
• The number of decimal digits it has is: 9
• The sum of 138227488's digits is 43
• More coming soon!