31321033921

Names of 31321033921

• Cardinal: 31321033921 can be written as Thirty-one billion, three hundred twenty-one million, thirty-three thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 3.1321033921 × 10¹⁰

Factors of 31321033921

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 137978350

Divisors of 31321033921

• Number of divisors d(n): 4
• Complete list of divisors:
  1 227 137978123 31321033921
• Sum of all divisors σ(n): 31459012272
• Sum of proper divisors (its aliquot sum) s(n): 137978351
• 31321033921 is a deficient number, because the sum of its proper divisors (137978351) is less than itself. Its deficiency is 31183055570

Bases of 31321033921

• Binary: 11101001010111000010000110011000001₂
• Hexadecimal: 0x74AE10CC1
• Base-36: EDZQGG1

Squares and roots of 31321033921

• 31321033921 squared (31321033921²) is 981007165880432634241
• 31321033921 cubed (31321033921³) is 30726158719285104367217747088961
• The square root of 31321033921 is 176977.4955213233
• The cube root of 31321033921 is 3152.1874089047

Scales and comparisons

• 31,321,033,921 seconds is equal to 995 years, 47 weeks, 2 days, 23 hours, 12 minutes, 1 second.
• To count from 1 to 31,321,033,921 would take you about one thousand, nine hundred ninety-one 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 31321033921 cubic inches would be around 262.7 feet tall.

Recreational maths with 31321033921

• 31321033921 backwards is 12933012313
• The number of decimal digits it has is: 11
• The sum of 31321033921's digits is 28
• More coming soon!