209249841990

Names of 209249841990

• Cardinal: 209249841990 can be written as Two hundred nine billion, two hundred forty-nine million, eight hundred forty-one thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 2.0924984199 × 10¹¹

Factors of 209249841990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3397

Divisors of 209249841990

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 30 35 42 67 70 105 134 201 210 335 402 469 670 938 1005 1407 2010 2345 2814 3313 4489 4690 6626 7035 8978 9939 13467 14070 16565 19878 22445 23191 26934 31423 33130 44890 46382 49695 62846 67335 69573 94269 99390 115955 134670 139146 157115 188538 221971 231910 300763 314230 347865 443942 471345 601526 665913 695730 902289 942690 1109855 1331826 1503815 1553797 1804578 2105341 2219710 3007630 3107594 3329565 4210682 4511445 4661391 6316023 6659130 7768985 9022890 9322782 10526705 12632046 14872057 15537970 21053410 23306955 29744114 31580115 44616171 46613910 63160230 74360285 89232342 104104399 148720570 208208798 223080855 312313197 446161710 520521995 624626394 996427819 1041043990 1561565985 1992855638 2989283457 3123131970 4982139095 5978566914 6974994733 9964278190 13949989466 14946417285 20924984199 29892834570 34874973665 41849968398 69749947330 104624920995 209249841990
• Sum of all divisors σ(n): 582814356480
• Sum of proper divisors (its aliquot sum) s(n): 373564514490
• 209249841990 is an abundant number, because the sum of its proper divisors (373564514490) is greater than itself. Its abundance is 164314672500

Bases of 209249841990

• Binary: 11000010111000010000110011001101000110₂
• Hexadecimal: 0x30B8433346
• Base-36: 2O4LYBEU

Squares and roots of 209249841990

• 209249841990 squared (209249841990²) is 43785496372839967160100
• 209249841990 cubed (209249841990³) is 9162108197470481255807714032599000
• The square root of 209249841990 is 457438.3477475407
• The cube root of 209249841990 is 5936.8359201679

Scales and comparisons

• 209,249,841,990 seconds is equal to 6,653 years, 25 weeks, 6 days, 4 hours, 6 minutes, 30 seconds.
• To count from 1 to 209,249,841,990 would take you about thirteen thousand, three hundred six 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 209249841990 cubic inches would be around 494.7 feet tall.

Recreational maths with 209249841990

• 209249841990 backwards is 099148942902
• The number of decimal digits it has is: 12
• The sum of 209249841990's digits is 57
• More coming soon!