1221412736640

Names of 1221412736640

• Cardinal: 1221412736640 can be written as One trillion, two hundred twenty-one billion, four hundred twelve million, seven hundred thirty-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.22141273664 × 10¹²

Factors of 1221412736640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 636152477

Divisors of 1221412736640

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 480 640 960 1920 636152467 1272304934 1908457401 2544609868 3180762335 3816914802 5089219736 6361524670 7633829604 9542287005 10178439472 12723049340 15267659208 19084574010 20356878944 25446098680 30535318416 38169148020 40713757888 50892197360 61070636832 76338296040 81427515776 101784394720 122141273664 152676592080 203568789440 244282547328 305353184160 407137578880 610706368320 1221412736640
• Sum of all divisors σ(n): 3893253104160
• Sum of proper divisors (its aliquot sum) s(n): 2671840367520
• 1221412736640 is an abundant number, because the sum of its proper divisors (2671840367520) is greater than itself. Its abundance is 1450427630880

Bases of 1221412736640

• Binary: 10001110001100001110111110100111010000000₂
• Hexadecimal: 0x11C61DF4E80
• Base-36: FL3XLV9C

Squares and roots of 1221412736640

• 1221412736640 squared (1221412736640²) is 1491849073226413998489600
• 1221412736640 cubed (1221412736640³) is 1822163459183322076228787162578944000
• The square root of 1221412736640 is 1105175.4325173899
• The cube root of 1221412736640 is 10689.4201670575

Scales and comparisons

• 1,221,412,736,640 seconds is equal to 38,837 years, 7 weeks, 4 days, 11 hours, 44 minutes.
• To count from 1 to 1,221,412,736,640 would take you about ninety-seven thousand and ninety-two 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 1221412736640 cubic inches would be around 890.8 feet tall.

Recreational maths with 1221412736640

• 1221412736640 backwards is 0466372141221
• The number of decimal digits it has is: 13
• The sum of 1221412736640's digits is 39
• More coming soon!