2181328200

Names of 2181328200

• Cardinal: 2181328200 can be written as Two billion, one hundred eighty-one million, three hundred twenty-eight thousand, two hundred.

Scientific notation

• Scientific notation: 2.1813282 × 10⁹

Factors of 2181328200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3796

Divisors of 2181328200

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 50 60 72 75 90 100 120 150 180 200 225 300 353 360 450 600 706 900 1059 1412 1765 1800 2118 2824 3177 3433 3530 4236 5295 6354 6866 7060 8472 8825 10299 10590 12708 13732 14120 15885 17165 17650 20598 21180 25416 26475 27464 30897 31770 34330 35300 41196 42360 51495 52950 61794 63540 68660 70600 79425 82392 85825 102990 105900 123588 127080 137320 154485 158850 171650 205980 211800 247176 257475 308970 317700 343300 411960 514950 617940 635400 686600 772425 1029900 1211849 1235880 1544850 2059800 2423698 3089700 3635547 4847396 6059245 6179400 7271094 9694792 10906641 12118490 14542188 18177735 21813282 24236980 29084376 30296225 36355470 43626564 48473960 54533205 60592450 72710940 87253128 90888675 109066410 121184900 145421880 181777350 218132820 242369800 272666025 363554700 436265640 545332050 727109400 1090664100 2181328200
• Sum of all divisors σ(n): 7348519620
• Sum of proper divisors (its aliquot sum) s(n): 5167191420
• 2181328200 is an abundant number, because the sum of its proper divisors (5167191420) is greater than itself. Its abundance is 2985863220

Bases of 2181328200

• Binary: 10000010000001000110110101001000₂
• Hexadecimal: 0x82046D48
• Base-36: 102PFM0

Squares and roots of 2181328200

• 2181328200 squared (2181328200²) is 4758192716115240000
• 2181328200 cubed (2181328200³) is 10379179952696767461768000000
• The square root of 2181328200 is 46704.6914131761
• The cube root of 2181328200 is 1296.9015360709

Scales and comparisons

• 2,181,328,200 seconds is equal to 69 years, 18 weeks, 4 days, 20 hours, 30 minutes.
• To count from 1 to 2,181,328,200 would take you about one hundred thirty-eight 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 2181328200 cubic inches would be around 108.1 feet tall.

Recreational maths with 2181328200

• 2181328200 backwards is 0028231812
• The number of decimal digits it has is: 10
• The sum of 2181328200's digits is 27
• More coming soon!