65149009731

Names of 65149009731

• Cardinal: 65149009731 can be written as Sixty-five billion, one hundred forty-nine million, nine thousand, seven hundred thirty-one.

Scientific notation

• Scientific notation: 6.5149009731 × 10¹⁰

Factors of 65149009731

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 9162

Divisors of 65149009731

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 13 19 39 57 117 169 171 247 361 507 741 1083 1521 2197 2223 3211 3249 4693 6591 9127 9633 14079 19773 27381 28899 41743 42237 61009 82143 118651 125229 173413 183027 355953 375687 520239 549081 793117 1067859 1542463 1560717 2254369 2379351 3294847 4627389 6763107 7138053 9884541 13882167 20052019 20289321 29306797 29653623 42833011 60156057 87920391 128499033 180468171 263761173 380988361 385497099 556829143 1142965083 1670487429 3428895249 5011462287 7238778859 21716336577 65149009731
• Sum of all divisors σ(n): 107602141920
• Sum of proper divisors (its aliquot sum) s(n): 42453132189
• 65149009731 is a deficient number, because the sum of its proper divisors (42453132189) is less than itself. Its deficiency is 22695877542

Bases of 65149009731

• Binary: 111100101011001011101111111101000011₂
• Hexadecimal: 0xF2B2EFF43
• Base-36: TXG1DMR

Squares and roots of 65149009731

• 65149009731 squared (65149009731²) is 4244393468929932692361
• 65149009731 cubed (65149009731³) is 276518031409509031131801818364891
• The square root of 65149009731 is 255243.0405143301
• The cube root of 65149009731 is 4023.7958612625

Scales and comparisons

• 65,149,009,731 seconds is equal to 2,071 years, 27 weeks, 6 days, 11 hours, 8 minutes, 51 seconds.
• To count from 1 to 65,149,009,731 would take you about four thousand, one hundred forty-three 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 65149009731 cubic inches would be around 335.3 feet tall.

Recreational maths with 65149009731

• 65149009731 backwards is 13790094156
• The number of decimal digits it has is: 11
• The sum of 65149009731's digits is 45
• More coming soon!