1320786828002161

Names of 1320786828002161

• Cardinal: 1320786828002161 can be written as One quadrillion, three hundred twenty trillion, seven hundred eighty-six billion, eight hundred twenty-eight million, two thousand, one hundred sixty-one.

Scientific notation

• Scientific notation: 1.320786828002161 × 10¹⁵

Factors of 1320786828002161

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 4665

Divisors of 1320786828002161

• Number of divisors d(n): 27
• Complete list of divisors:
  1 13 169 709 3943 9217 51259 119821 502681 666367 2795587 6534853 15547249 36342631 84953089 202114237 472454203 1982071183 2627485081 11022999541 25766925379 143298994033 334970029927 1862886922429 7815306674569 101598986769397 1320786828002161
• Sum of all divisors σ(n): 1432584498969729
• Sum of proper divisors (its aliquot sum) s(n): 111797670967568
• 1320786828002161 is a deficient number, because the sum of its proper divisors (111797670967568) is less than itself. Its deficiency is 1208989157034593

Bases of 1320786828002161

• Binary: 100101100010011111110100101101101010000001101110001₂
• Hexadecimal: 0x4B13FA5B50371
• Base-36: D06H3BOQK1

Squares and roots of 1320786828002161

• 1320786828002161 squared (1320786828002161²) is 1744477845024010024670620669921
• 1320786828002161 cubed (1320786828002161³) is 2304083359449307600948007705079505811855699281
• 1320786828002161 is a perfect square number. Its square root is 36342631
• The cube root of 1320786828002161 is 109717.9226758357

Scales and comparisons

• 1,320,786,828,002,161 seconds is equal to 41,996,935 years, 34 weeks, 5 days, 8 hours, 36 minutes, 1 second.
• To count from 1 to 1,320,786,828,002,161 would take you about one hundred twenty-five million, nine hundred ninety thousand, eight 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 1320786828002161 cubic inches would be around 9143.2 feet tall.

Recreational maths with 1320786828002161

• 1320786828002161 backwards is 1612008286870231
• The number of decimal digits it has is: 16
• The sum of 1320786828002161's digits is 55
• More coming soon!