1221048000

Names of 1221048000

• Cardinal: 1221048000 can be written as One billion, two hundred twenty-one million, forty-eight thousand.

Scientific notation

• Scientific notation: 1.221048 × 10⁹

Factors of 1221048000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 5663

Divisors of 1221048000

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 32 36 40 45 48 50 54 60 64 72 75 80 90 96 100 108 120 125 135 144 150 160 180 192 200 216 225 240 250 270 288 300 320 360 375 400 432 450 480 500 540 576 600 675 720 750 800 864 900 960 1000 1080 1125 1200 1350 1440 1500 1600 1728 1800 2000 2160 2250 2400 2700 2880 3000 3375 3600 4000 4320 4500 4800 5400 5653 6000 6750 7200 8000 8640 9000 10800 11306 12000 13500 14400 16959 18000 21600 22612 24000 27000 28265 33918 36000 43200 45224 50877 54000 56530 67836 72000 84795 90448 101754 108000 113060 135672 141325 152631 169590 180896 203508 216000 226120 254385 271344 282650 305262 339180 361792 407016 423975 452240 508770 542688 565300 610524 678360 706625 763155 814032 847950 904480 1017540 1085376 1130600 1221048 1271925 1356720 1413250 1526310 1628064 1695900 1808960 2035080 2119875 2261200 2442096 2543850 2713440 2826500 3052620 3256128 3391800 3815775 4070160 4239750 4522400 4884192 5087700 5426880 5653000 6105240 6359625 6783600 7631550 8140320 8479500 9044800 9768384 10175400 11306000 12210480 12719250 13567200 15263100 16280640 16959000 19078875 20350800 22612000 24420960 25438500 27134400 30526200 33918000 38157750 40701600 45224000 48841920 50877000 61052400 67836000 76315500 81403200 101754000 122104800 135672000 152631000 203508000 244209600 305262000 407016000 610524000 1221048000
• Sum of all divisors σ(n): 4480681920
• Sum of proper divisors (its aliquot sum) s(n): 3259633920
• 1221048000 is an abundant number, because the sum of its proper divisors (3259633920) is greater than itself. Its abundance is 2038585920

Bases of 1221048000

• Binary: 1001000110001111011011011000000₂
• Hexadecimal: 0x48C7B6C0
• Base-36: K6ZAO0

Squares and roots of 1221048000

• 1221048000 squared (1221048000²) is 1490958218304000000
• 1221048000 cubed (1221048000³) is 1820531550543662592000000000
• The square root of 1221048000 is 34943.4972491307
• The cube root of 1221048000 is 1068.8356041003

Scales and comparisons

• 1,221,048,000 seconds is equal to 38 years, 42 weeks, 6 days, 12 hours.
• To count from 1 to 1,221,048,000 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 1221048000 cubic inches would be around 89.1 feet tall.

Recreational maths with 1221048000

• 1221048000 backwards is 0008401221
• 1221048000 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1221048000's digits is 18
• More coming soon!