1998985595490

Names of 1998985595490

• Cardinal: 1998985595490 can be written as One trillion, nine hundred ninety-eight billion, nine hundred eighty-five million, five hundred ninety-five thousand, four hundred ninety.

Scientific notation

• Scientific notation: 1.99898559549 × 10¹²

Factors of 1998985595490

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 79298

Divisors of 1998985595490

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 17 18 26 30 34 39 45 51 65 78 85 90 102 117 130 153 170 195 221 234 255 306 390 442 510 585 663 765 1105 1170 1289 1326 1530 1989 2210 2578 3315 3867 3978 6445 6630 7734 9945 11601 12890 16757 19335 19890 21913 23202 33514 38670 43826 50271 58005 65739 77969 83785 100542 109565 116010 131478 150813 155938 167570 197217 219130 233907 251355 284869 301626 328695 389845 394434 467814 502710 569738 657390 701721 754065 779690 854607 986085 1013597 1169535 1325473 1403442 1424345 1508130 1709214 1972170 2027194 2339070 2563821 2650946 2848690 3040791 3508605 3976419 4273035 5067985 5127642 6081582 6627365 7017210 7952838 8546070 9122373 10135970 11929257 12819105 13254730 15203955 17231149 18244746 19882095 23858514 25638210 30407910 34462298 39764190 45611865 51693447 59646285 86155745 91223730 100502041 103386894 119292570 155080341 172311490 201004082 258467235 301506123 310160682 502510205 516934470 603012246 775401705 904518369 1005020410 1306526533 1507530615 1550803410 1708534697 1809036738 2613053066 3015061230 3417069394 3919579599 4522591845 5125604091 6532632665 7839159198 8542673485 9045183690 10251208182 11758738797 13065265330 15376812273 17085346970 19597897995 22210951061 23517477594 25628020455 30753624546 39195795990 44421902122 51256040910 58793693985 66632853183 76884061365 111054755305 117587387970 133265706366 153768122730 199898559549 222109510610 333164265915 399797119098 666328531830 999492797745 1998985595490
• Sum of all divisors σ(n): 5931078098400
• Sum of proper divisors (its aliquot sum) s(n): 3932092502910
• 1998985595490 is an abundant number, because the sum of its proper divisors (3932092502910) is greater than itself. Its abundance is 1933106907420

Bases of 1998985595490

• Binary: 11101000101101100110100111000101001100010₂
• Hexadecimal: 0x1D16CD38A62
• Base-36: PIBKET0I

Squares and roots of 1998985595490

• 1998985595490 squared (1998985595490²) is 3995943410976509908340100
• 1998985595490 cubed (1998985595490³) is 7987833318935220461525120115946149000
• The square root of 1998985595490 is 1413854.8707310803
• The cube root of 1998985595490 is 12597.0800227219

Scales and comparisons

• 1,998,985,595,490 seconds is equal to 63,561 years, 29 weeks, 8 hours, 31 minutes, 30 seconds.
• To count from 1 to 1,998,985,595,490 would take you about one hundred fifty-eight thousand, nine hundred three 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 1998985595490 cubic inches would be around 1049.8 feet tall.

Recreational maths with 1998985595490

• 1998985595490 backwards is 0945955898991
• The number of decimal digits it has is: 13
• The sum of 1998985595490's digits is 81
• More coming soon!