1231093809

Names of 1231093809

• Cardinal: 1231093809 can be written as One billion, two hundred thirty-one million, ninety-three thousand, eight hundred nine.

Scientific notation

• Scientific notation: 1.231093809 × 10⁹

Factors of 1231093809

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 634

Divisors of 1231093809

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 9 11 19 27 33 57 81 99 121 171 209 297 363 513 601 627 891 1089 1331 1539 1803 1881 2299 3267 3993 5409 5643 6611 6897 9801 11419 11979 16227 16929 19833 20691 25289 34257 35937 48681 59499 62073 72721 75867 102771 107811 125609 178497 186219 218163 227601 308313 376827 535491 654489 682803 799931 924939 1130481 1381699 1963467 2048409 2399793 3391443 4145097 5890401 7199379 10174329 12435291 15198689 21598137 37305873 45596067 64794411 111917619 136788201 410364603 1231093809
• Sum of all divisors σ(n): 2132813760
• Sum of proper divisors (its aliquot sum) s(n): 901719951
• 1231093809 is a deficient number, because the sum of its proper divisors (901719951) is less than itself. Its deficiency is 329373858

Bases of 1231093809

• Binary: 1001001011000010000000000110001₂
• Hexadecimal: 0x49610031
• Base-36: KCYM29

Squares and roots of 1231093809

• 1231093809 squared (1231093809²) is 1515591966558128481
• 1231093809 cubed (1231093809³) is 1865835886999847011585674129
• The square root of 1231093809 is 35086.9464188607
• The cube root of 1231093809 is 1071.7587777881

Scales and comparisons

• 1,231,093,809 seconds is equal to 39 years, 7 weeks, 3 days, 18 hours, 30 minutes, 9 seconds.
• To count from 1 to 1,231,093,809 would take you about seventy-eight 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 1231093809 cubic inches would be around 89.3 feet tall.

Recreational maths with 1231093809

• 1231093809 backwards is 9083901321
• The number of decimal digits it has is: 10
• The sum of 1231093809's digits is 36
• More coming soon!