689487161013

Names of 689487161013

• Cardinal: 689487161013 can be written as Six hundred eighty-nine billion, four hundred eighty-seven million, one hundred sixty-one thousand and thirteen.

Scientific notation

• Scientific notation: 6.89487161013 × 10¹¹

Factors of 689487161013

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 65911

Divisors of 689487161013

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 7 9 21 27 31 63 81 93 189 217 279 567 601 651 837 1803 1953 2511 4207 5409 5859 12621 16227 17577 18631 37863 48681 55893 65269 113589 130417 167679 195807 340767 391251 456883 503037 587421 1173753 1370649 1509111 1762263 2023339 3521259 4111947 5286789 6070017 10563777 12335841 14163373 18210051 37007523 39226669 42490119 54630153 117680007 127470357 163890459 274586683 353040021 382411071 823760049 1059120063 1147233213 1216026739 2471280147 3177360189 3648080217 7413840441 8512187173 10944240651 22241521323 25536561519 32832721953 76609684557 98498165859 229829053671 689487161013
• Sum of all divisors σ(n): 1217125719040
• Sum of proper divisors (its aliquot sum) s(n): 527638558027
• 689487161013 is a deficient number, because the sum of its proper divisors (527638558027) is less than itself. Its deficiency is 161848602986

Bases of 689487161013

• Binary: 1010000010001000101000110010011010110101₂
• Hexadecimal: 0xA088A326B5
• Base-36: 8SQUUQB9

Squares and roots of 689487161013

• 689487161013 squared (689487161013²) is 475392545201766587186169
• 689487161013 cubed (689487161013³) is 327777056357910319471273607909629197
• The square root of 689487161013 is 830353.6361171667
• The cube root of 689487161013 is 8834.3661380653

Scales and comparisons

• 689,487,161,013 seconds is equal to 21,923 years, 29 weeks, 11 hours, 23 minutes, 33 seconds.
• To count from 1 to 689,487,161,013 would take you about forty-three thousand, eight hundred forty-seven 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 689487161013 cubic inches would be around 736.2 feet tall.

Recreational maths with 689487161013

• 689487161013 backwards is 310161784986
• The number of decimal digits it has is: 12
• The sum of 689487161013's digits is 54
• More coming soon!