728971024804

Names of 728971024804

• Cardinal: 728971024804 can be written as Seven hundred twenty-eight billion, nine hundred seventy-one million, twenty-four thousand, eight hundred four.

Scientific notation

• Scientific notation: 7.28971024804 × 10¹¹

Factors of 728971024804

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 210

Divisors of 728971024804

• Number of divisors d(n): 45
• Complete list of divisors:
  1 2 4 11 22 44 121 197 242 394 484 788 2167 4334 8668 23837 38809 47674 77618 95348 155236 426899 853798 1707596 4695889 7645373 9391778 15290746 18783556 30581492 84099103 168198206 336396412 925090133 1506138481 1850180266 3012276962 3700360532 6024553924 16567523291 33135046582 66270093164 182242756201 364485512402 728971024804
• Sum of all divisors σ(n): 1409369083591
• Sum of proper divisors (its aliquot sum) s(n): 680398058787
• 728971024804 is a deficient number, because the sum of its proper divisors (680398058787) is less than itself. Its deficiency is 48572966017

Bases of 728971024804

• Binary: 1010100110111010000011110001100110100100₂
• Hexadecimal: 0xA9BA0F19A4
• Base-36: 9AVUIYLG

Squares and roots of 728971024804

• 728971024804 squared (728971024804²) is 531398755003793983238416
• 728971024804 cubed (728971024804³) is 387374295014685422869397310181670464
• 728971024804 is a perfect square number. Its square root is 853798
• The cube root of 728971024804 is 8999.8807589305

Scales and comparisons

• 728,971,024,804 seconds is equal to 23,179 years, 1 week, 1 day, 15 hours, 20 minutes, 4 seconds.
• To count from 1 to 728,971,024,804 would take you about forty-six thousand, three hundred fifty-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 728971024804 cubic inches would be around 750 feet tall.

Recreational maths with 728971024804

• 728971024804 backwards is 408420179827
• The number of decimal digits it has is: 12
• The sum of 728971024804's digits is 52
• More coming soon!