138229941540

Names of 138229941540

• Cardinal: 138229941540 can be written as One hundred thirty-eight billion, two hundred twenty-nine million, nine hundred forty-one thousand, five hundred forty.

Scientific notation

• Scientific notation: 1.3822994154 × 10¹¹

Factors of 138229941540

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3925354

Divisors of 138229941540

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 60 587 1174 1761 2348 2935 3522 5870 7044 8805 11740 17610 35220 3924757 7849514 11774271 15699028 19623785 23548542 39247570 47097084 58871355 78495140 117742710 235485420 2303832359 4607664718 6911497077 9215329436 11519161795 13822994154 23038323590 27645988308 34557485385 46076647180 69114970770 138229941540
• Sum of all divisors σ(n): 387703294272
• Sum of proper divisors (its aliquot sum) s(n): 249473352732
• 138229941540 is an abundant number, because the sum of its proper divisors (249473352732) is greater than itself. Its abundance is 111243411192

Bases of 138229941540

• Binary: 10000000101111001001011000010100100100₂
• Hexadecimal: 0x202F258524
• Base-36: 1RI2JDIC

Squares and roots of 138229941540

• 138229941540 squared (138229941540²) is 19107516738151817571600
• 138229941540 cubed (138229941540³) is 2641230921689297230567012764264000
• The square root of 138229941540 is 371792.8745148299
• The cube root of 138229941540 is 5170.5178462341

Scales and comparisons

• 138,229,941,540 seconds is equal to 4,395 years, 14 weeks, 5 days, 13 hours, 59 minutes.
• To count from 1 to 138,229,941,540 would take you about eight thousand, seven hundred ninety 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 138229941540 cubic inches would be around 430.9 feet tall.

Recreational maths with 138229941540

• 138229941540 backwards is 045149922831
• The number of decimal digits it has is: 12
• The sum of 138229941540's digits is 48
• More coming soon!