1221321344

Names of 1221321344

• Cardinal: 1221321344 can be written as One billion, two hundred twenty-one million, three hundred twenty-one thousand, three hundred forty-four.

Scientific notation

• Scientific notation: 1.221321344 × 10⁹

Factors of 1221321344

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1103

Divisors of 1221321344

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 8 16 17 23 32 34 46 64 68 92 128 136 184 272 368 391 529 544 736 782 1058 1061 1088 1472 1564 2116 2122 2176 2944 3128 4232 4244 6256 8464 8488 8993 12512 16928 16976 17986 18037 24403 25024 33856 33952 35972 36074 48806 50048 67712 67904 71944 72148 97612 135808 143888 144296 195224 287776 288592 390448 414851 561269 575552 577184 780896 829702 1122538 1151104 1154368 1561792 1659404 2245076 2308736 3123584 3318808 4490152 6637616 8980304 9541573 13275232 17960608 19083146 26550464 35921216 38166292 53100928 71842432 76332584 152665168 305330336 610660672 1221321344
• Sum of all divisors σ(n): 2695642740
• Sum of proper divisors (its aliquot sum) s(n): 1474321396
• 1221321344 is an abundant number, because the sum of its proper divisors (1474321396) is greater than itself. Its abundance is 253000052

Bases of 1221321344

• Binary: 1001000110010111110001010000000₂
• Hexadecimal: 0x48CBE280
• Base-36: K755KW

Squares and roots of 1221321344

• 1221321344 squared (1221321344²) is 1491625825309966336
• 1221321344 cubed (1221321344³) is 1821754457712677302078275584
• The square root of 1221321344 is 34947.4082586963
• The cube root of 1221321344 is 1068.9153547191

Scales and comparisons

• 1,221,321,344 seconds is equal to 38 years, 43 weeks, 2 days, 15 hours, 55 minutes, 44 seconds.
• To count from 1 to 1,221,321,344 would take you about seventy-seven 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 1221321344 cubic inches would be around 89.1 feet tall.

Recreational maths with 1221321344

• 1221321344 backwards is 4431231221
• 1221321344 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1221321344's digits is 23
• More coming soon!