31443139888028729

Names of 31443139888028729

• Cardinal: 31443139888028729 can be written as Thirty-one quadrillion, four hundred forty-three trillion, one hundred thirty-nine billion, eight hundred eighty-eight million, twenty-eight thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 3.1443139888028729 × 10¹⁶

Factors of 31443139888028729

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 65269058335

Divisors of 31443139888028729

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 68821 481747 65268989507 456882926549 4491877126861247 31443139888028729
• Sum of all divisors σ(n): 35935539167356608
• Sum of proper divisors (its aliquot sum) s(n): 4492399279327879
• 31443139888028729 is a deficient number, because the sum of its proper divisors (4492399279327879) is less than itself. Its deficiency is 26950740608700850

Bases of 31443139888028729

• Binary: 1101111101101010101111001111111101001100001110000111001₂
• Hexadecimal: 0x6FB55E7FA61C39
• Base-36: 8LLNV1VINUH

Squares and roots of 31443139888028729

• 31443139888028729 squared (31443139888028729²) is 988671046018143312475685529355441
• 31443139888028729 cubed (31443139888028729³) is 31086922003192169090685730937444575806503460464489
• The square root of 31443139888028729 is 177322135.9222495069
• The cube root of 31443139888028729 is 315627.8395501209

Scales and comparisons

• 31,443,139,888,028,729 seconds is equal to 999,794,588 years, 21 weeks, 6 days, 12 hours, 25 minutes, 29 seconds.
• To count from 1 to 31,443,139,888,028,729 would take you about two billion, nine hundred ninety-nine million, three hundred eighty-three thousand, seven hundred sixty-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 31443139888028729 cubic inches would be around 26302.3 feet tall.

Recreational maths with 31443139888028729

• 31443139888028729 backwards is 92782088893134413
• The number of decimal digits it has is: 17
• The sum of 31443139888028729's digits is 80
• More coming soon!