31304490

Names of 31304490

• Cardinal: 31304490 can be written as Thirty-one million, three hundred four thousand, four hundred ninety.

Scientific notation

• Scientific notation: 3.130449 × 10⁷

Factors of 31304490

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 149086

Divisors of 31304490

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 149069 298138 447207 745345 894414 1043483 1490690 2086966 2236035 3130449 4472070 5217415 6260898 10434830 15652245 31304490
• Sum of all divisors σ(n): 85864320
• Sum of proper divisors (its aliquot sum) s(n): 54559830
• 31304490 is an abundant number, because the sum of its proper divisors (54559830) is greater than itself. Its abundance is 23255340

Bases of 31304490

• Binary: 1110111011010101100101010₂
• Hexadecimal: 0x1DDAB2A
• Base-36: IMYP6

Squares and roots of 31304490

• 31304490 squared (31304490²) is 979971094160100
• 31304490 cubed (31304490³) is 30677495317423908849000
• The square root of 31304490 is 5595.0415548055
• The cube root of 31304490 is 315.1632310967

Scales and comparisons

• 31,304,490 seconds is equal to 51 weeks, 5 days, 7 hours, 41 minutes, 30 seconds.
• To count from 1 to 31,304,490 would take you about twenty-five weeks!

  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 31304490 cubic inches would be around 26.3 feet tall.

Recreational maths with 31304490

• 31304490 backwards is 09440313
• The number of decimal digits it has is: 8
• The sum of 31304490's digits is 24
• More coming soon!