1228138040296729

Names of 1228138040296729

• Cardinal: 1228138040296729 can be written as One quadrillion, two hundred twenty-eight trillion, one hundred thirty-eight billion, forty million, two hundred ninety-six thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 1.228138040296729 × 10¹⁵

Factors of 1228138040296729

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 233880647

Divisors of 1228138040296729

• Number of divisors d(n): 8
• Complete list of divisors:
  1 103 50993 5252279 233829551 24084443753 11923670294143 1228138040296729
• Sum of all divisors σ(n): 1240086034167552
• Sum of proper divisors (its aliquot sum) s(n): 11947993870823
• 1228138040296729 is a deficient number, because the sum of its proper divisors (11947993870823) is less than itself. Its deficiency is 1216190046425906

Bases of 1228138040296729

• Binary: 100010111001111110000101011101000001000010100011001₂
• Hexadecimal: 0x45CFC2BA08519
• Base-36: C3C6TRLW61

Squares and roots of 1228138040296729

• 1228138040296729 squared (1228138040296729²) is 1508323046023889945030368099441
• 1228138040296729 cubed (1228138040296729³) is 1852428909878173179388926857624910931419028489
• The square root of 1228138040296729 is 35044800.4744887797
• The cube root of 1228138040296729 is 107090.0351540245

Scales and comparisons

• 1,228,138,040,296,729 seconds is equal to 39,050,990 years, 41 weeks, 4 days, 13 hours, 58 minutes, 49 seconds.
• To count from 1 to 1,228,138,040,296,729 would take you about one hundred seventeen million, one hundred fifty-two thousand, nine hundred seventy-two 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 1228138040296729 cubic inches would be around 8924.2 feet tall.

Recreational maths with 1228138040296729

• 1228138040296729 backwards is 9276920408318221
• The number of decimal digits it has is: 16
• The sum of 1228138040296729's digits is 64
• More coming soon!