1221419619872

Names of 1221419619872

• Cardinal: 1221419619872 can be written as One trillion, two hundred twenty-one billion, four hundred nineteen million, six hundred nineteen thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.221419619872 × 10¹²

Factors of 1221419619872

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2017297

Divisors of 1221419619872

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 16 23 32 46 92 184 368 736 823 1646 3292 6584 13168 18929 26336 37858 75716 151432 302864 605728 2016449 4032898 8065796 16131592 32263184 46378327 64526368 92756654 185513308 371026616 742053232 1484106464 1659537527 3319075054 6638150108 13276300216 26552600432 38169363121 53105200864 76338726242 152677452484 305354904968 610709809936 1221419619872
• Sum of all divisors σ(n): 2512270857600
• Sum of proper divisors (its aliquot sum) s(n): 1290851237728
• 1221419619872 is an abundant number, because the sum of its proper divisors (1290851237728) is greater than itself. Its abundance is 69431617856

Bases of 1221419619872

• Binary: 10001110001100010010010000101011000100000₂
• Hexadecimal: 0x11C62485620
• Base-36: FL41PEE8

Squares and roots of 1221419619872

• 1221419619872 squared (1221419619872²) is 1491865887808260977296384
• 1221419619872 cubed (1221419619872³) is 1822194265586769922110720567560142848
• The square root of 1221419619872 is 1105178.5466032173
• The cube root of 1221419619872 is 10689.4402469805

Scales and comparisons

• 1,221,419,619,872 seconds is equal to 38,837 years, 19 weeks, 3 hours, 44 minutes, 32 seconds.
• To count from 1 to 1,221,419,619,872 would take you about ninety-seven thousand and ninety-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 1221419619872 cubic inches would be around 890.8 feet tall.

Recreational maths with 1221419619872

• 1221419619872 backwards is 2789169141221
• The number of decimal digits it has is: 13
• The sum of 1221419619872's digits is 53
• More coming soon!