31497845405890

Names of 31497845405890

• Cardinal: 31497845405890 can be written as Thirty-one trillion, four hundred ninety-seven billion, eight hundred forty-five million, four hundred five thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 3.149784540589 × 10¹³

Factors of 31497845405890

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 814806

Divisors of 31497845405890

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 5 10 149 298 745 1490 26833 53666 134165 268330 787817 1575634 3939085 3998117 7878170 7996234 19990585 39981170 117384733 234769466 586923665 1173847330 21139493561 42278987122 105697467805 211394935610 3149784540589 6299569081178 15748922702945 31497845405890
• Sum of all divisors σ(n): 57078832172400
• Sum of proper divisors (its aliquot sum) s(n): 25580986766510
• 31497845405890 is a deficient number, because the sum of its proper divisors (25580986766510) is less than itself. Its deficiency is 5916858639380

Bases of 31497845405890

• Binary: 111001010010110101001111000101111100011000010₂
• Hexadecimal: 0x1CA5A9E2F8C2
• Base-36: B5XWRWK3M

Squares and roots of 31497845405890

• 31497845405890 squared (31497845405890²) is 992114265213345778846692100
• 31497845405890 cubed (31497845405890³) is 31249461750668116380962304704608356469000
• The square root of 31497845405890 is 5612294.1303793051
• The cube root of 31497845405890 is 31581.0779088383

Scales and comparisons

• 31,497,845,405,890 seconds is equal to 1,001,534 years, 2 weeks, 5 days, 21 hours, 38 minutes, 10 seconds.
• To count from 1 to 31,497,845,405,890 would take you about two million, five hundred three thousand, eight hundred thirty-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 31497845405890 cubic inches would be around 2631.8 feet tall.

Recreational maths with 31497845405890

• 31497845405890 backwards is 09850454879413
• The number of decimal digits it has is: 14
• The sum of 31497845405890's digits is 67
• More coming soon!