209988981730

Names of 209988981730

• Cardinal: 209988981730 can be written as Two hundred nine billion, nine hundred eighty-eight million, nine hundred eighty-one thousand, seven hundred thirty.

Scientific notation

• Scientific notation: 2.0998898173 × 10¹¹

Factors of 209988981730

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 203

Divisors of 209988981730

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 5 10 11 19 22 29 38 55 58 95 110 121 137 145 190 209 242 274 290 319 361 418 551 605 638 685 722 1045 1102 1210 1331 1370 1507 1595 1805 2090 2299 2603 2662 2755 3014 3190 3509 3610 3971 3973 4598 5206 5510 6061 6655 7018 7535 7942 7946 10469 11495 12122 13015 13310 14641 15070 16577 17545 19855 19865 20938 22990 25289 26030 28633 29282 30305 33154 35090 38599 39710 39730 43681 43703 49457 50578 52345 57266 60610 66671 73205 75487 77198 82885 87362 87406 98914 104690 115159 126445 133342 143165 146410 150974 165770 182347 192995 218405 218515 230318 247285 252890 278179 286330 314963 333355 364694 377435 385990 424589 436810 437030 480491 480733 494570 544027 556358 575795 629926 666710 733381 754870 830357 849178 911735 960982 961466 1088054 1151590 1266749 1390895 1434253 1466762 1574815 1660714 1823470 2005817 2122945 2402455 2403665 2533498 2720135 2781790 2868506 3149630 3464593 3666905 4011634 4151785 4245890 4804910 4807330 5285401 5288063 5440270 5984297 6333745 6929186 7171265 7333810 8067191 8303570 9133927 10029085 10570802 10576126 11968594 12667490 13934239 14342530 15776783 16134382 17322965 18267854 20058170 26427005 26440315 27868478 29921485 31553566 34645930 38110523 40335955 45669635 52854010 52880630 58168693 59842970 65827267 69671195 76221046 78883915 80671910 91339270 100473197 116337386 131654534 139342390 153276629 157767830 173544613 190552615 200946394 290843465 306553258 329136335 347089226 381105230 502365985 581686930 658272670 724099937 766383145 867723065 1004731970 1105205167 1448199874 1532766290 1735446130 1908990743 2210410334 3620499685 3817981486 5526025835 7240999370 9544953715 11052051670 19089907430 20998898173 41997796346 104994490865 209988981730
• Sum of all divisors σ(n): 457255092600
• Sum of proper divisors (its aliquot sum) s(n): 247266110870
• 209988981730 is an abundant number, because the sum of its proper divisors (247266110870) is greater than itself. Its abundance is 37277129140

Bases of 209988981730

• Binary: 11000011100100010100011001001111100010₂
• Hexadecimal: 0x30E45193E2
• Base-36: 2OGU0NAA

Squares and roots of 209988981730

• 209988981730 squared (209988981730²) is 44095372448002273792900
• 209988981730 cubed (209988981730³) is 9259542359361094846495735903717000
• The square root of 209988981730 is 458245.5474197213
• The cube root of 209988981730 is 5943.8179958069

Scales and comparisons

• 209,988,981,730 seconds is equal to 6,677 years, 42 minutes, 10 seconds.
• To count from 1 to 209,988,981,730 would take you about thirteen thousand, three hundred fifty-four 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 209988981730 cubic inches would be around 495.3 feet tall.

Recreational maths with 209988981730

• 209988981730 backwards is 037189889902
• The number of decimal digits it has is: 12
• The sum of 209988981730's digits is 64
• More coming soon!