7985166189

Names of 7985166189

• Cardinal: 7985166189 can be written as Seven billion, nine hundred eighty-five million, one hundred sixty-six thousand, one hundred eighty-nine.

Scientific notation

• Scientific notation: 7.985166189 × 10⁹

Factors of 7985166189

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4648

Divisors of 7985166189

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 11 13 21 33 39 53 77 91 121 143 159 231 273 363 371 429 583 689 847 1001 1113 1573 1749 2067 2541 3003 4081 4561 4719 4823 6413 7579 11011 12243 13683 14469 19239 22737 31927 33033 44891 50171 53053 59293 83369 95781 134673 150513 159159 177879 241733 250107 351197 415051 551881 583583 652223 725199 1053591 1245153 1655643 1692131 1750749 1956669 2659063 3142529 3863167 4565561 5076393 7174453 7977189 9427587 11589501 13696683 18613441 21523359 21997703 29249693 34567819 50221171 55840323 65993109 87749079 103703457 150663513 204747851 241974733 380246009 614243553 725924199 1140738027 2661722063 7985166189
• Sum of all divisors σ(n): 14678399232
• Sum of proper divisors (its aliquot sum) s(n): 6693233043
• 7985166189 is a deficient number, because the sum of its proper divisors (6693233043) is less than itself. Its deficiency is 1291933146

Bases of 7985166189

• Binary: 111011011111100111111011101101101₂
• Hexadecimal: 0x1DBF3F76D
• Base-36: 3O25TNX

Squares and roots of 7985166189

• 7985166189 squared (7985166189²) is 63762879065948783721
• 7985166189 cubed (7985166189³) is 509157186030710128974602809269
• The square root of 7985166189 is 89359.7571001623
• The cube root of 7985166189 is 1998.7630842607

Scales and comparisons

• 7,985,166,189 seconds is equal to 253 years, 46 weeks, 6 days, 21 hours, 43 minutes, 9 seconds.
• To count from 1 to 7,985,166,189 would take you about five hundred 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 7985166189 cubic inches would be around 166.6 feet tall.

Recreational maths with 7985166189

• 7985166189 backwards is 9816615897
• The number of decimal digits it has is: 10
• The sum of 7985166189's digits is 60
• More coming soon!