1221382816904

Names of 1221382816904

• Cardinal: 1221382816904 can be written as One trillion, two hundred twenty-one billion, three hundred eighty-two million, eight hundred sixteen thousand, nine hundred four.

Scientific notation

• Scientific notation: 1.221382816904 × 10¹²

Factors of 1221382816904

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 508

Divisors of 1221382816904

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 97 194 388 409 776 818 1636 3272 9409 18818 37636 39673 75272 79346 158692 167281 317384 334562 669124 912673 1338248 1825346 3650692 3848281 7301384 7696562 15393124 16226257 30786248 32452514 64905028 129810056 373283257 746566514 1493133028 1573946929 2986266056 3147893858 6295787716 12591575432 152672852113 305345704226 610691408452 1221382816904
• Sum of all divisors σ(n): 2319619295700
• Sum of proper divisors (its aliquot sum) s(n): 1098236478796
• 1221382816904 is a deficient number, because the sum of its proper divisors (1098236478796) is less than itself. Its deficiency is 123146338108

Bases of 1221382816904

• Binary: 10001110001100000000101101100010010001000₂
• Hexadecimal: 0x11C6016C488
• Base-36: FL3FSL1K

Squares and roots of 1221382816904

• 1221382816904 squared (1221382816904²) is 1491775985428349988145216
• 1221382816904 cubed (1221382816904³) is 1822029555272218565581598924291531264
• The square root of 1221382816904 is 1105161.8962414513
• The cube root of 1221382816904 is 10689.3328836381

Scales and comparisons

• 1,221,382,816,904 seconds is equal to 38,836 years, 10 weeks, 1 day, 4 hours, 41 minutes, 44 seconds.
• To count from 1 to 1,221,382,816,904 would take you about ninety-seven thousand and ninety 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 1221382816904 cubic inches would be around 890.8 feet tall.

Recreational maths with 1221382816904

• 1221382816904 backwards is 4096182831221
• The number of decimal digits it has is: 13
• The sum of 1221382816904's digits is 47
• More coming soon!