729149801991

Names of 729149801991

• Cardinal: 729149801991 can be written as Seven hundred twenty-nine billion, one hundred forty-nine million, eight hundred one thousand, nine hundred ninety-one.

Scientific notation

• Scientific notation: 7.29149801991 × 10¹¹

Factors of 729149801991

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 196256

Divisors of 729149801991

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 13 17 39 51 71 79 213 221 237 663 923 1027 1207 1343 2769 3081 3621 4029 5609 15691 16827 17459 47073 52377 72917 95353 196073 218751 286059 588219 1239589 2548949 3333241 3718767 7646847 9999723 13921183 15489767 41763549 43332133 46469301 129996399 180975379 201366971 236660111 263326039 542926137 604100913 709980333 789978117 1099773457 3076581443 3299320371 3423238507 9229744329 10269715521 14297054941 18696148769 42891164823 56088446307 243049933997 729149801991
• Sum of all divisors σ(n): 1138421329920
• Sum of proper divisors (its aliquot sum) s(n): 409271527929
• 729149801991 is a deficient number, because the sum of its proper divisors (409271527929) is less than itself. Its deficiency is 319878274062

Bases of 729149801991

• Binary: 1010100111000100101101110000011000000111₂
• Hexadecimal: 0xA9C4B70607
• Base-36: 9AYSYRYF

Squares and roots of 729149801991

• 729149801991 squared (729149801991²) is 531659433743514507564081
• 729149801991 cubed (729149801991³) is 387659370840730787070785532893885271
• The square root of 729149801991 is 853902.6888299393
• The cube root of 729149801991 is 9000.6164268773

Scales and comparisons

• 729,149,801,991 seconds is equal to 23,184 years, 36 weeks, 5 days, 19 hours, 39 minutes, 51 seconds.
• To count from 1 to 729,149,801,991 would take you about forty-six thousand, three hundred sixty-nine 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 729149801991 cubic inches would be around 750.1 feet tall.

Recreational maths with 729149801991

• 729149801991 backwards is 199108941927
• The number of decimal digits it has is: 12
• The sum of 729149801991's digits is 60
• More coming soon!