809434940

Names of 809434940

• Cardinal: 809434940 can be written as Eight hundred nine million, four hundred thirty-four thousand, nine hundred forty.

Scientific notation

• Scientific notation: 8.0943494 × 10⁸

Factors of 809434940

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 108

Divisors of 809434940

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 17 20 34 37 47 68 74 85 94 148 170 185 188 235 340 370 470 629 740 799 940 1258 1369 1598 1739 2516 2738 3145 3196 3478 3995 5476 6290 6845 6956 7990 8695 12580 13690 15980 17390 23273 27380 29563 34780 46546 50653 59126 64343 93092 101306 116365 118252 128686 147815 202612 232730 253265 257372 295630 321715 465460 506530 591260 643430 861101 1013060 1093831 1286860 1722202 2187662 2380691 3444404 4305505 4375324 4761382 5469155 8611010 9522764 10938310 11903455 17222020 21876620 23806910 40471747 47613820 80943494 161886988 202358735 404717470 809434940
• Sum of all divisors σ(n): 1889153280
• Sum of proper divisors (its aliquot sum) s(n): 1079718340
• 809434940 is an abundant number, because the sum of its proper divisors (1079718340) is greater than itself. Its abundance is 270283400

Bases of 809434940

• Binary: 110000001111101111111100111100₂
• Hexadecimal: 0x303EFF3C
• Base-36: DDWZZW

Squares and roots of 809434940

• 809434940 squared (809434940²) is 655184922092803600
• 809434940 cubed (809434940³) is 530329568103093156397784000
• The square root of 809434940 is 28450.5701173105
• The cube root of 809434940 is 931.9529392877

Scales and comparisons

• 809,434,940 seconds is equal to 25 years, 38 weeks, 2 days, 11 hours, 2 minutes, 20 seconds.
• To count from 1 to 809,434,940 would take you about thirty-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 809434940 cubic inches would be around 77.7 feet tall.

Recreational maths with 809434940

• 809434940 backwards is 049434908
• The number of decimal digits it has is: 9
• The sum of 809434940's digits is 41
• More coming soon!