728400143109

Names of 728400143109

• Cardinal: 728400143109 can be written as Seven hundred twenty-eight billion, four hundred million, one hundred forty-three thousand, one hundred nine.

Scientific notation

• Scientific notation: 7.28400143109 × 10¹¹

Factors of 728400143109

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 6845

Divisors of 728400143109

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 41 67 123 201 337 1011 1681 2747 5043 6397 8241 13817 19191 22579 41451 67737 112627 262277 337881 428599 566497 786831 925739 1285797 1699491 2155789 2777217 6467367 10753357 17572559 32260071 37955299 52717677 88387349 113865897 144437863 265162047 433313589 720474919 2161424757 3623881309 5921952383 10871643927 17765857149 242800047703 728400143109
• Sum of all divisors σ(n): 1013479847744
• Sum of proper divisors (its aliquot sum) s(n): 285079704635
• 728400143109 is a deficient number, because the sum of its proper divisors (285079704635) is less than itself. Its deficiency is 443320438474

Bases of 728400143109

• Binary: 1010100110011000000010000010001100000101₂
• Hexadecimal: 0xA998082305
• Base-36: 9AMEMZGL

Squares and roots of 728400143109

• 728400143109 squared (728400143109²) is 530566768481211680185881
• 728400143109 cubed (728400143109³) is 386464910090594258425118060121244029
• The square root of 728400143109 is 853463.6155742083
• The cube root of 728400143109 is 8997.5307757331

Scales and comparisons

• 728,400,143,109 seconds is equal to 23,160 years, 45 weeks, 2 days, 5 hours, 5 minutes, 9 seconds.
• To count from 1 to 728,400,143,109 would take you about forty-six thousand, three hundred twenty-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 728400143109 cubic inches would be around 749.8 feet tall.

Recreational maths with 728400143109

• 728400143109 backwards is 901341004827
• The number of decimal digits it has is: 12
• The sum of 728400143109's digits is 39
• More coming soon!