1998179494441468415

Names of 1998179494441468415

• Cardinal: 1998179494441468415 can be written as One quintillion, nine hundred ninety-eight quadrillion, one hundred seventy-nine trillion, four hundred ninety-four billion, four hundred forty-one million, four hundred sixty-eight thousand, four hundred fifteen.

Scientific notation

• Scientific notation: 1.998179494441468415 × 10¹⁸

Factors of 1998179494441468415

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 836919

Divisors of 1998179494441468415

• Number of divisors d(n): 320
• Complete list of divisors:
  1 5 7 11 23 35 49 55 77 115 137 161 245 253 343 385 539 685 805 959 1127 1265 1507 1715 1771 2401 2695 3151 3773 4795 5635 5779 6713 7535 7889 8855 10549 12005 12397 15755 18865 22057 26411 28895 33565 34661 39445 40453 46991 52745 55223 61985 63569 73843 86779 110285 132055 132917 154399 173305 202265 234955 242627 276115 283171 317845 328937 369215 433895 444983 516901 607453 664585 771995 791723 830957 930419 1080793 1213135 1415855 1462087 1644685 1698389 1982197 2224915 2584505 3037265 3114881 3618307 3958615 4154785 4652095 5403965 5542061 5816699 6512933 7310435 7565551 8491945 8708953 9140527 9910985 10234609 11888723 13875379 15574405 18091535 18209629 19112011 21804167 27710305 29083495 32564665 37827755 38794427 40716893 43544765 45590531 45702635 51173045 59443615 60962671 63983689 69376895 71642263 83221061 91048145 95560055 109020835 113841109 127467403 133784077 152629169 193972135 200305919 203584465 210232121 227952655 271560989 285018251 304813355 319133717 319918445 358211315 416105305 426738697 447885823 501495841 569205545 637337015 668920385 763145845 796887763 892271821 936488539 1001529595 1051160605 1252252199 1357804945 1402141433 1425091255 1471624847 1595668585 1900926923 1995127757 2133693485 2239429115 2507479205 2618345507 2987170879 3135200761 3510470887 3984438815 4461359105 4682442695 4802100503 5578214341 6245902747 6261260995 6555419773 7010707165 7358124235 8765765393 9504634615 9814990031 9975638785 10301373929 13091727535 14935854395 15676003805 17552354435 18328418549 20910196153 21946405327 24010502515 27891071705 28801800577 31229513735 32777098865 33614703521 39047500387 43721319229 43828826965 45887938411 49074950155 51506869645 52823105533 61360357751 68704930217 72109617503 91642092745 104550980765 109732026635 110448311569 128298929843 144009002885 168073517605 195237501935 201612604039 218606596145 229439692055 235302924647 264115527665 273332502709 306801788755 343524651085 360548087515 369761738731 429522504257 480934511519 504767322521 552241557845 641494649215 657887768911 773138180983 898092508901 1008063020195 1176514623235 1214931427259 1366662513545 1411288228273 1647120472529 1848808693655 2147612521285 2404672557595 2523836612605 2588332171117 3006657529799 3289438844555 3865690904915 4490462544505 4605214382377 5411967266881 6074657136295 6286647562307 7056441141365 7236765458021 8235602362645 8504519990813 9879017597911 11529843307703 12941660855585 15033287648995 15131418684953 18118325197819 23026071911885 27059836334405 31433237811535 32236500676639 36183827290105 37883770868167 42522599954065 49395087989555 50657358206147 57649216538515 59531639935691 69153123185377 75657093424765 90591625989095 105919930794671 126828276384733 161182503383195 166445605534483 189418854340835 225655504736473 253286791030735 265186396077169 297658199678455 345765615926885 354601507443029 416721479549837 529599653973355 634141381923665 741439515562697 832228027672415 1128277523682365 1165119238741381 1325931980385845 1579588533155311 1773007537215145 2083607397749185 2482210552101203 2917050356848859 3707197577813485 5190076608938879 5825596193706905 7897942665776555 8155834671189667 12411052760506015 14585251784244295 17375473864708421 25950383044694395 36330536262572153 40779173355948335 57090842698327669 86877369323542105 181652681312860765 285454213491638345 399635898888293683 1998179494441468415
• Sum of all divisors σ(n): 3208062680424207360
• Sum of proper divisors (its aliquot sum) s(n): 1209883185982738945
• 1998179494441468415 is a deficient number, because the sum of its proper divisors (1209883185982738945) is less than itself. Its deficiency is 788296308458729470

Bases of 1998179494441468415

• Binary: 1101110111010111101011010100111010011101001110100000111111111₂
• Hexadecimal: 0x1BBAF5A9D3A741FF
• Base-36: F6IVIJACRJZZ

Squares and roots of 1998179494441468415

• 1998179494441468415 squared (1998179494441468415²) is 3992721292006362304398258381442612225
• 1998179494441468415 cubed (1998179494441468415³) is 7978173812706959614501986843550704542204649582430373375
• The square root of 1998179494441468415 is 1413569769.9234616891
• The cube root of 1998179494441468415 is 1259538.6516325917

Scales and comparisons

• 1,998,179,494,441,468,415 seconds is equal to 63,535,927,148 years, 12 weeks, 5 days, 10 hours, 33 minutes, 35 seconds.
• To count from 1 to 1,998,179,494,441,468,415 would take you about two hundred twenty-two billion, three hundred seventy-five million, seven hundred forty-five thousand and eighteen 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 1998179494441468415 cubic inches would be around 104961.6 feet tall.

Recreational maths with 1998179494441468415

• 1998179494441468415 backwards is 5148641444949718991
• The number of decimal digits it has is: 19
• The sum of 1998179494441468415's digits is 98
• More coming soon!