1438235705963899268

Names of 1438235705963899268

• Cardinal: 1438235705963899268 can be written as One quintillion, four hundred thirty-eight quadrillion, two hundred thirty-five trillion, seven hundred five billion, nine hundred sixty-three million, eight hundred ninety-nine thousand, two hundred sixty-eight.

Scientific notation

• Scientific notation: 1.438235705963899268 × 10¹⁸

Factors of 1438235705963899268

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 145432220

Divisors of 1438235705963899268

• Number of divisors d(n): 18
• Complete list of divisors:
  1 2 4 17 34 68 145432201 290864402 581728804 2472347417 4944694834 9889389668 21150525087704401 42301050175408802 84602100350817604 359558926490974817 719117852981949634 1438235705963899268
• Sum of all divisors σ(n): 2664966179375211978
• Sum of proper divisors (its aliquot sum) s(n): 1226730473411312710
• 1438235705963899268 is a deficient number, because the sum of its proper divisors (1226730473411312710) is less than itself. Its deficiency is 211505232552586558

Bases of 1438235705963899268

• Binary: 1001111110101101000111100000100100101010000101110100110000100₂
• Hexadecimal: 0x13F5A3C12542E984
• Base-36: AXDG0A0XESN8

Squares and roots of 1438235705963899268

• 1438235705963899268 squared (1438235705963899268²) is 2068521945909475712451029678850935824
• 1438235705963899268 cubed (1438235705963899268³) is 2975022121176933456981463181633425268031088041868576832
• The square root of 1438235705963899268 is 1199264652.1781167165
• The cube root of 1438235705963899268 is 1128781.8616656621

Scales and comparisons

• 1,438,235,705,963,899,268 seconds is equal to 45,731,446,694 years, 26 weeks, 6 days, 9 hours, 21 minutes, 8 seconds.
• To count from 1 to 1,438,235,705,963,899,268 would take you about one hundred sixty billion, sixty million, sixty-three thousand, four hundred thirty 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 1438235705963899268 cubic inches would be around 94065.2 feet tall.

Recreational maths with 1438235705963899268

• 1438235705963899268 backwards is 8629983695075328341
• The number of decimal digits it has is: 19
• The sum of 1438235705963899268's digits is 98
• More coming soon!