221387112440

Names of 221387112440

• Cardinal: 221387112440 can be written as Two hundred twenty-one billion, three hundred eighty-seven million, one hundred twelve thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.2138711244 × 10¹¹

Factors of 221387112440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3006

Divisors of 221387112440

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 8 10 13 17 20 26 29 34 40 52 58 65 68 85 104 116 130 136 145 170 221 232 260 290 331 340 377 442 493 520 580 662 680 754 884 986 1105 1160 1324 1508 1655 1768 1885 1972 2210 2465 2609 2648 3016 3310 3770 3944 4303 4420 4930 5218 5627 6409 6620 7540 8606 8840 9599 9860 10436 11254 12818 13045 13240 15080 17212 19198 19720 20872 21515 22508 25636 26090 28135 32045 33917 34424 38396 43030 44353 45016 47995 51272 52180 56270 64090 67834 73151 75661 76792 86060 88706 95990 104360 112540 124787 128180 135668 146302 151322 163183 169585 172120 177412 191980 221765 225080 249574 256360 271336 292604 302644 326366 339170 354824 365755 378305 383960 443530 499148 576589 585208 605288 623935 652732 678340 731510 756610 815915 863579 887060 983593 998296 1153178 1247870 1286237 1305464 1356680 1463020 1513220 1631830 1727158 1774120 1967186 2121379 2306356 2495740 2572474 2882945 2926040 3026440 3263660 3454316 3934372 4242758 4317895 4612712 4917965 4991480 5144948 5765890 6431185 6527320 6908632 7868744 8485516 8635790 9835930 10289896 10606895 11226527 11531780 12862370 14680843 16721081 16971032 17271580 19671860 21213790 22453054 23063560 25043791 25724740 29361686 33442162 34543160 39343720 42427580 44906108 50087582 51449480 56132635 58723372 66884324 73404215 83605405 84855160 89812216 100175164 112265270 117446744 125218955 133768648 146808430 167210810 190850959 200350328 224530540 250437910 293616860 325569283 334421620 381701918 425744447 449061080 500875820 587233720 651138566 668843240 763403836 851488894 954254795 1001751640 1302277132 1526807672 1627846415 1702977788 1908509590 2128722235 2604554264 3255692830 3405955576 3817019180 4257444470 5534677811 6511385660 7634038360 8514888940 11069355622 13022771320 17029777880 22138711244 27673389055 44277422488 55346778110 110693556220 221387112440
• Sum of all divisors σ(n): 589580208000
• Sum of proper divisors (its aliquot sum) s(n): 368193095560
• 221387112440 is an abundant number, because the sum of its proper divisors (368193095560) is greater than itself. Its abundance is 146805983120

Bases of 221387112440

• Binary: 11001110001011101100110011111111111000₂
• Hexadecimal: 0x338BB33FF8
• Base-36: 2TPC6588

Squares and roots of 221387112440

• 221387112440 squared (221387112440²) is 49012253554521202753600
• 221387112440 cubed (221387112440³) is 10850681288612575184375280814784000
• The square root of 221387112440 is 470517.9193612079
• The cube root of 221387112440 is 6049.4716424051

Scales and comparisons

• 221,387,112,440 seconds is equal to 7,039 years, 22 weeks, 20 hours, 7 minutes, 20 seconds.
• To count from 1 to 221,387,112,440 would take you about fourteen thousand and seventy-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 221387112440 cubic inches would be around 504.1 feet tall.

Recreational maths with 221387112440

• 221387112440 backwards is 044211783122
• The number of decimal digits it has is: 12
• The sum of 221387112440's digits is 35
• More coming soon!