216720388040

Names of 216720388040

• Cardinal: 216720388040 can be written as Two hundred sixteen billion, seven hundred twenty million, three hundred eighty-eight thousand and forty.

Scientific notation

• Scientific notation: 2.1672038804 × 10¹¹

Factors of 216720388040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3155

Divisors of 216720388040

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 13 17 20 26 34 40 52 65 68 85 104 130 136 169 170 221 260 338 340 442 520 676 680 821 845 884 1105 1352 1642 1690 1768 2210 2297 2873 3284 3380 4105 4420 4594 5746 6568 6760 8210 8840 9188 10673 11485 11492 13957 14365 16420 18376 21346 22970 22984 27914 28730 29861 32840 39049 42692 45940 53365 55828 57460 59722 69785 78098 85384 91880 106730 111656 114920 119444 138749 139570 149305 156196 181441 195245 213460 238888 277498 279140 298610 312392 362882 388193 390490 426920 507637 554996 558280 597220 693745 725764 776386 780980 907205 1015274 1109992 1194440 1387490 1451528 1552772 1561960 1814410 1885837 1940965 2030548 2358733 2538185 2774980 3105544 3628820 3771674 3881930 4061096 4717466 5076370 5549960 6599281 7257640 7543348 7763860 9429185 9434932 10152740 11793665 13198562 15086696 15527720 18858370 18869864 20305480 23587330 24515881 26397124 32059229 32996405 37716740 47174660 49031762 52794248 64118458 65992810 75433480 94349320 98063524 122579405 128236916 131985620 160296145 196127048 245158810 256473832 263971240 318706453 320592290 416769977 490317620 637412906 641184580 833539954 980635240 1274825812 1282369160 1593532265 1667079908 2083849885 2549651624 3187064530 3334159816 4167699770 5418009701 6374129060 8335399540 10836019402 12748258120 16670799080 21672038804 27090048505 43344077608 54180097010 108360194020 216720388040
• Sum of all divisors σ(n): 559999895760
• Sum of proper divisors (its aliquot sum) s(n): 343279507720
• 216720388040 is an abundant number, because the sum of its proper divisors (343279507720) is greater than itself. Its abundance is 126559119680

Bases of 216720388040

• Binary: 11001001110101100010101010111111001000₂
• Hexadecimal: 0x32758AAFC8
• Base-36: 2RK5Q1MW

Squares and roots of 216720388040

• 216720388040 squared (216720388040²) is 46967726592208175041600
• 216720388040 cubed (216720388040³) is 10178863932419982535475795142464000
• The square root of 216720388040 is 465532.3705608451
• The cube root of 216720388040 is 6006.6628579449

Scales and comparisons

• 216,720,388,040 seconds is equal to 6,891 years, 1 week, 6 days, 19 hours, 47 minutes, 20 seconds.
• To count from 1 to 216,720,388,040 would take you about thirteen thousand, seven hundred eighty-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 216720388040 cubic inches would be around 500.6 feet tall.

Recreational maths with 216720388040

• 216720388040 backwards is 040883027612
• The number of decimal digits it has is: 12
• The sum of 216720388040's digits is 41
• More coming soon!