1221264743472

Names of 1221264743472

• Cardinal: 1221264743472 can be written as One trillion, two hundred twenty-one billion, two hundred sixty-four million, seven hundred forty-three thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.221264743472 × 10¹²

Factors of 1221264743472

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 942333912

Divisors of 1221264743472

• Number of divisors d(n): 50
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 324 432 648 1296 942333907 1884667814 2827001721 3769335628 5654003442 7538671256 8481005163 11308006884 15077342512 16962010326 22616013768 25443015489 33924020652 45232027536 50886030978 67848041304 76329046467 101772061956 135696082608 152658092934 203544123912 305316185868 407088247824 610632371736 1221264743472
• Sum of all divisors σ(n): 3534694488908
• Sum of proper divisors (its aliquot sum) s(n): 2313429745436
• 1221264743472 is an abundant number, because the sum of its proper divisors (2313429745436) is greater than itself. Its abundance is 1092165001964

Bases of 1221264743472

• Binary: 10001110001011001000011010001110000110000₂
• Hexadecimal: 0x11C590D1C30
• Base-36: FL1HHV00

Squares and roots of 1221264743472

• 1221264743472 squared (1221264743472²) is 1491487573647729966614784
• 1221264743472 cubed (1221264743472³) is 1821501189022570644972931306002690048
• The square root of 1221264743472 is 1105108.4758846075
• The cube root of 1221264743472 is 10688.9884197307

Scales and comparisons

• 1,221,264,743,472 seconds is equal to 38,832 years, 22 weeks, 6 days, 14 hours, 31 minutes, 12 seconds.
• To count from 1 to 1,221,264,743,472 would take you about ninety-seven thousand and eighty-one 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 1221264743472 cubic inches would be around 890.7 feet tall.

Recreational maths with 1221264743472

• 1221264743472 backwards is 2743474621221
• The number of decimal digits it has is: 13
• The sum of 1221264743472's digits is 45
• More coming soon!