31427872843078399

Names of 31427872843078399

• Cardinal: 31427872843078399 can be written as Thirty-one quadrillion, four hundred twenty-seven trillion, eight hundred seventy-two billion, eight hundred forty-three million, seventy-eight thousand, three hundred ninety-nine.

Scientific notation

• Scientific notation: 3.1427872843078399 × 10¹⁶

Factors of 31427872843078399

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 438281869064

Divisors of 31427872843078399

• Number of divisors d(n): 4
• Complete list of divisors:
  1 71707 438281797357 31427872843078399
• Sum of all divisors σ(n): 31428311124947464
• Sum of proper divisors (its aliquot sum) s(n): 438281869065
• 31427872843078399 is a deficient number, because the sum of its proper divisors (438281869065) is less than itself. Its deficiency is 31427434561209334

Bases of 31427872843078399

• Binary: 1101111101001110111101111011100110110111001101011111111₂
• Hexadecimal: 0x6FA77BDCDB9AFF
• Base-36: 8LG91GV4ZCV

Squares and roots of 31427872843078399

• 31427872843078399 squared (31427872843078399²) is 987711191440704730255042860403201
• 31427872843078399 cubed (31427872843078399³) is 31041661730283933806461861786414065843383193555199
• The square root of 31427872843078399 is 177279081.7978206897
• The cube root of 31427872843078399 is 315576.7474884913

Scales and comparisons

• 31,427,872,843,078,399 seconds is equal to 999,309,143 years, 32 weeks, 8 hours, 53 minutes, 19 seconds.
• To count from 1 to 31,427,872,843,078,399 would take you about two billion, nine hundred ninety-seven million, nine hundred twenty-seven 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 31427872843078399 cubic inches would be around 26298.1 feet tall.

Recreational maths with 31427872843078399

• 31427872843078399 backwards is 99387034827872413
• The number of decimal digits it has is: 17
• The sum of 31427872843078399's digits is 85
• More coming soon!