209387090990

Names of 209387090990

• Cardinal: 209387090990 can be written as Two hundred nine billion, three hundred eighty-seven million, ninety thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 2.0938709099 × 10¹¹

Factors of 209387090990

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 409

Divisors of 209387090990

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 5 7 10 11 14 19 22 31 35 38 53 55 62 70 77 95 106 110 133 154 155 190 209 217 265 266 281 310 341 371 385 418 434 530 562 583 589 665 682 742 770 961 1007 1045 1085 1166 1178 1330 1405 1463 1643 1705 1855 1922 1967 2014 2090 2170 2387 2810 2915 2926 2945 3091 3286 3410 3710 3934 4081 4123 4774 4805 5035 5339 5830 5890 6182 6479 6727 7049 7315 8162 8215 8246 8711 9610 9835 10070 10571 10678 11077 11501 11935 12958 13454 14098 14630 14893 15455 16430 17422 18073 18259 19670 20405 20615 21142 21637 22154 23002 23870 26695 29786 30910 31217 32395 33635 35245 36146 36518 37373 40810 41230 43274 43555 45353 50933 52855 53390 55385 57505 58729 60977 62434 64790 67270 70490 73997 74465 74746 77539 87110 90365 90706 91295 95821 101866 104251 105710 108185 110770 115010 117458 121954 126511 127813 147994 148930 155078 156085 163823 165509 180730 182590 186865 191642 200849 208502 216370 218519 226765 253022 254665 255626 270041 282967 293645 304885 312170 327646 331018 343387 356531 369985 373730 387695 401698 411103 437038 453530 461683 479105 509330 521255 540082 560263 565934 587290 609770 632555 639065 670747 686774 713062 739970 775390 819115 822206 827545 923366 958210 967727 1004245 1042510 1092595 1120526 1146761 1158563 1265110 1278130 1341494 1350205 1405943 1414835 1638230 1655090 1716935 1782655 1820599 1890287 1935454 1980769 2008490 2055515 2185190 2293522 2308415 2317126 2403709 2700410 2801315 2811886 2829670 2970451 3112637 3231781 3353735 3433870 3565310 3641198 3780574 3921841 3961538 4111030 4616830 4807418 4838635 5078513 5130779 5602630 5733805 5792815 5940902 6225274 6463562 6707470 6774089 7029715 7843682 8771977 9102995 9451435 9677270 9903845 10157026 10261558 10644997 11467610 11585630 12018545 12744193 13548178 14059430 14312173 14852255 15563185 16158905 17543954 18205990 18902870 19609205 19807690 20793157 21289994 21788459 24037090 25392565 25488386 25653895 28624346 29704510 31126370 32317810 33870445 35549591 35915453 39218410 41586314 43576918 43859885 50785130 51307790 53224985 56438569 61403839 63720965 67740890 71099182 71560865 71830906 74514979 87719770 96491747 100185211 103965785 106449970 108942295 112877138 122807678 127441930 143121730 149029958 157433903 177747955 179577265 192983494 200370422 207931570 217884590 271931287 282192845 307019195 314867806 355495910 359154530 372574895 395069983 482458735 500926055 543862574 564385690 614038390 675442229 745149790 787169515 790139966 964917470 1001852110 1102037321 1350884458 1359656435 1574339030 1903519009 1975349915 2204074642 2719312870 2991244157 3377211145 3807038018 3950699830 5510186605 5982488314 6754422290 9517595045 11020373210 14956220785 19035190090 20938709099 29912441570 41877418198 104693545495 209387090990
• Sum of all divisors σ(n): 522595722240
• Sum of proper divisors (its aliquot sum) s(n): 313208631250
• 209387090990 is an abundant number, because the sum of its proper divisors (313208631250) is greater than itself. Its abundance is 103821540260

Bases of 209387090990

• Binary: 11000011000000011100010111010000101110₂
• Hexadecimal: 0x30C071742E
• Base-36: 2O6VO1F2

Squares and roots of 209387090990

• 209387090990 squared (209387090990²) is 43842953873254539180100
• 209387090990 cubed (209387090990³) is 9180148571929521122734118697299000
• The square root of 209387090990 is 457588.3422793899
• The cube root of 209387090990 is 5938.1336458911

Scales and comparisons

• 209,387,090,990 seconds is equal to 6,657 years, 44 weeks, 5 days, 16 hours, 49 minutes, 50 seconds.
• To count from 1 to 209,387,090,990 would take you about thirteen thousand, three hundred fifteen 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 209387090990 cubic inches would be around 494.8 feet tall.

Recreational maths with 209387090990

• 209387090990 backwards is 099090783902
• The number of decimal digits it has is: 12
• The sum of 209387090990's digits is 56
• More coming soon!