1221180352142881

Names of 1221180352142881

• Cardinal: 1221180352142881 can be written as One quadrillion, two hundred twenty-one trillion, one hundred eighty billion, three hundred fifty-two million, one hundred forty-two thousand, eight hundred eighty-one.

Scientific notation

• Scientific notation: 1.221180352142881 × 10¹⁵

Factors of 1221180352142881

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 890

Divisors of 1221180352142881

• Number of divisors d(n): 81
• Complete list of divisors:
  1 13 53 67 169 689 757 871 2809 3551 4489 8957 9841 11323 36517 40121 46163 50719 58357 127933 188203 237917 474721 521573 573049 600119 659347 758641 2126413 2446639 2688107 3092921 3398173 6780449 7449637 8571511 12609601 27643369 30371597 31806307 34945391 38394283 40207973 44176249 96845281 142469671 163924813 180103169 359363797 394830761 454290083 499125679 574291237 1609694641 1852105723 2034896999 2131022569 2341341197 2572416961 5132799893 6488633827 9545467957 20926030333 24077374399 26453660987 30437435561 33441420493 107849540947 124091083441 136338098933 272038394329 343897592831 434738466409 1402044032311 1613184084733 1772395286129 7225919243449 18226572420043 23041138719677 93936950164837 1221180352142881
• Sum of all divisors σ(n): 1369989719942571
• Sum of proper divisors (its aliquot sum) s(n): 148809367799690
• 1221180352142881 is a deficient number, because the sum of its proper divisors (148809367799690) is less than itself. Its deficiency is 1072370984343191

Bases of 1221180352142881

• Binary: 100010101101010100000110101000110001001111000100001₂
• Hexadecimal: 0x456A835189E21
• Base-36: C0VEIBQ1PD

Squares and roots of 1221180352142881

• 1221180352142881 squared (1221180352142881²) is 1491281452459810843768638980161
• 1221180352142881 cubed (1221180352142881³) is 1821123609259018857255713789522437902796383841
• 1221180352142881 is a perfect square number. Its square root is 34945391
• The cube root of 1221180352142881 is 106887.4220537981

Scales and comparisons

• 1,221,180,352,142,881 seconds is equal to 38,829,757 years, 43 weeks, 4 days, 12 hours, 8 minutes, 1 second.
• To count from 1 to 1,221,180,352,142,881 would take you about one hundred sixteen million, four hundred eighty-nine thousand, two hundred seventy-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 1221180352142881 cubic inches would be around 8907.3 feet tall.

Recreational maths with 1221180352142881

• 1221180352142881 backwards is 1882412530811221
• The number of decimal digits it has is: 16
• The sum of 1221180352142881's digits is 49
• More coming soon!