729985406824

Names of 729985406824

• Cardinal: 729985406824 can be written as Seven hundred twenty-nine billion, nine hundred eighty-five million, four hundred six thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 7.29985406824 × 10¹¹

Factors of 729985406824

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4734

Divisors of 729985406824

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 113 199 226 398 452 796 904 1301 1592 2602 3119 5204 6238 10408 12476 22487 24952 44974 89948 147013 179896 258899 294026 352447 517798 588052 620681 704894 1035596 1176104 1241362 1409788 2071192 2482724 2819576 4057819 4965448 8115638 16231276 29255587 32462552 58511174 70136953 117022348 140273906 234044696 280547812 458533547 561095624 807505981 917067094 1615011962 1834134188 3230023924 3668268376 6460047848 91248175853 182496351706 364992703412 729985406824
• Sum of all divisors σ(n): 1389286080000
• Sum of proper divisors (its aliquot sum) s(n): 659300673176
• 729985406824 is a deficient number, because the sum of its proper divisors (659300673176) is less than itself. Its deficiency is 70684733648

Bases of 729985406824

• Binary: 1010100111110110100001010101011101101000₂
• Hexadecimal: 0xA9F6855768
• Base-36: 9BCMGORS

Squares and roots of 729985406824

• 729985406824 squared (729985406824²) is 532878694176000785766976
• 729985406824 cubed (729985406824³) is 388993670355909813055449644224244224
• The square root of 729985406824 is 854391.8344787713
• The cube root of 729985406824 is 9004.0533463283

Scales and comparisons

• 729,985,406,824 seconds is equal to 23,211 years, 14 weeks, 3 days, 4 hours, 7 minutes, 4 seconds.
• To count from 1 to 729,985,406,824 would take you about forty-six thousand, four hundred twenty-two 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 729985406824 cubic inches would be around 750.3 feet tall.

Recreational maths with 729985406824

• 729985406824 backwards is 428604589927
• The number of decimal digits it has is: 12
• The sum of 729985406824's digits is 64
• More coming soon!