1321405085

Names of 1321405085

• Cardinal: 1321405085 can be written as One billion, three hundred twenty-one million, four hundred five thousand and eighty-five.

Scientific notation

• Scientific notation: 1.321405085 × 10⁹

Factors of 1321405085

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 942

Divisors of 1321405085

• Number of divisors d(n): 96
• Complete list of divisors:
  1 5 7 11 13 23 35 55 65 77 91 115 143 161 169 253 299 385 455 715 805 845 883 1001 1183 1265 1495 1771 1859 2093 3289 3887 4415 5005 5915 6181 8855 9295 9713 10465 11479 13013 16445 19435 20309 23023 27209 30905 42757 48565 57395 65065 67991 80353 101545 115115 126269 136045 142163 149227 213785 223399 264017 299299 339955 401765 631345 710815 746135 883883 1044589 1116995 1320085 1496495 1563793 1641497 1848119 2904187 3432221 4419415 5222945 7818965 8207485 9240595 11490479 14520935 17161105 20329309 24025547 37754431 57452395 101646545 120127735 188772155 264281017 1321405085
• Sum of all divisors σ(n): 2236336128
• Sum of proper divisors (its aliquot sum) s(n): 914931043
• 1321405085 is a deficient number, because the sum of its proper divisors (914931043) is less than itself. Its deficiency is 406474042

Bases of 1321405085

• Binary: 1001110110000110000101010011101₂
• Hexadecimal: 0x4EC30A9D
• Base-36: LUQAOT

Squares and roots of 1321405085

• 1321405085 squared (1321405085²) is 1746111398663857225
• 1321405085 cubed (1321405085³) is 2307320481170883142828989125
• The square root of 1321405085 is 36351.1359519891
• The cube root of 1321405085 is 1097.3503956669

Scales and comparisons

• 1,321,405,085 seconds is equal to 42 years, 6 days, 58 minutes, 5 seconds.
• To count from 1 to 1,321,405,085 would take you about eighty-four 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 1321405085 cubic inches would be around 91.4 feet tall.

Recreational maths with 1321405085

• 1321405085 backwards is 5805041231
• The number of decimal digits it has is: 10
• The sum of 1321405085's digits is 29
• More coming soon!