31980039487

Names of 31980039487

• Cardinal: 31980039487 can be written as Thirty-one billion, nine hundred eighty million, thirty-nine thousand, four hundred eighty-seven.

Scientific notation

• Scientific notation: 3.1980039487 × 10¹⁰

Factors of 31980039487

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 174

Divisors of 31980039487

• Number of divisors d(n): 64
• Complete list of divisors:
  1 11 19 31 113 121 209 341 361 589 1243 1331 2147 2299 3503 3751 3971 6479 6859 11191 13673 23617 25289 38533 40793 41261 43681 66557 71269 75449 123101 150403 212629 259787 423863 448723 480491 732127 775067 783959 829939 1264583 1354111 2338919 2857657 4662493 4935953 8053397 8525737 9129329 13910413 14895221 24027077 25728109 54295483 88587367 93783107 153014543 264297847 283009199 1031614177 1683159973 2907276317 31980039487
• Sum of all divisors σ(n): 38666465280
• Sum of proper divisors (its aliquot sum) s(n): 6686425793
• 31980039487 is a deficient number, because the sum of its proper divisors (6686425793) is less than itself. Its deficiency is 25293613694

Bases of 31980039487

• Binary: 11101110010001010001010110100111111₂
• Hexadecimal: 0x77228AD3F
• Base-36: EOW38E7

Squares and roots of 31980039487

• 31980039487 squared (31980039487²) is 1022722925590079223169
• 31980039487 cubed (31980039487³) is 32706719544630896332402905274303
• The square root of 31980039487 is 178829.6381671673
• The cube root of 31980039487 is 3174.1418554011

Scales and comparisons

• 31,980,039,487 seconds is equal to 1,016 years, 45 weeks, 8 hours, 18 minutes, 7 seconds.
• To count from 1 to 31,980,039,487 would take you about two thousand and thirty-three 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 31980039487 cubic inches would be around 264.5 feet tall.

Recreational maths with 31980039487

• 31980039487 backwards is 78493008913
• The number of decimal digits it has is: 11
• The sum of 31980039487's digits is 52
• More coming soon!