1991198305096245

Names of 1991198305096245

• Cardinal: 1991198305096245 can be written as One quadrillion, nine hundred ninety-one trillion, one hundred ninety-eight billion, three hundred five million, ninety-six thousand, two hundred forty-five.

Scientific notation

• Scientific notation: 1.991198305096245 × 10¹⁵

Factors of 1991198305096245

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 6243

Divisors of 1991198305096245

• Number of divisors d(n): 378
• Complete list of divisors:
  1 3 5 7 9 15 17 21 27 35 45 49 51 63 81 85 105 119 135 147 153 189 243 245 255 289 315 357 405 441 459 567 595 729 735 765 833 867 945 1071 1215 1323 1377 1445 1701 1785 2023 2205 2295 2499 2601 2835 3213 3645 3969 4131 4165 4335 5103 5355 6069 6211 6615 6885 7497 7803 8505 9639 10115 11907 12393 12495 13005 14161 16065 18207 18633 19845 20655 22491 23409 25515 28917 30345 31055 35721 37485 39015 42483 43477 48195 54621 55899 59535 61965 67473 70227 70805 86751 91035 93165 105587 112455 117045 127449 130431 144585 163863 167697 178605 202419 210681 212415 217385 273105 279495 304339 316761 337365 351135 382347 391293 433755 491589 503091 527935 607257 637245 652155 739109 819315 838485 913017 950283 1012095 1053405 1147041 1173879 1474767 1509273 1521695 1583805 1794979 1911735 1956465 2217327 2457945 2515455 2739051 2850849 3036285 3441123 3521637 3695545 4527819 4565085 4751415 5173763 5384937 5735205 5869395 6651981 7373835 7546365 8217153 8552547 8974895 10323369 10564911 11086635 12564853 13695255 14254245 15521289 16154811 17205615 17608185 19955943 22639095 24651459 25657641 25868815 26924685 31694733 33259905 37694559 38576521 41085765 42762735 46563867 48464433 51616845 52824555 59867829 62824265 73954377 76972923 77606445 80774055 87953971 99779715 113083677 115729563 123257295 128288205 139691601 145393299 158473665 179603487 188472795 192882605 221863131 232819335 242322165 263861913 270035647 299339145 339251031 347188689 369771885 384864615 419074803 436179897 439769855 538810461 565418385 578647815 655800857 698458005 726966495 791585739 810106941 898017435 1017753093 1041566067 1109315655 1257224409 1308539691 1319309565 1350178235 1696255155 1735943445 1890249529 1967402571 2095374015 2180899485 2374757217 2430320823 2694052305 3053259279 3124698201 3279004285 3771673227 3957928695 4050534705 4590605999 5088765465 5207830335 5670748587 5902207713 6286122045 6542698455 7124271651 7290962469 9159777837 9374094603 9451247645 9837012855 11148614569 11873786085 12151604115 13771817997 15266296395 15623491005 17012245761 17706623139 18858366135 21372814953 21872887407 22953029995 28122283809 28353742935 29511038565 32134241993 33445843707 35621358255 36454812345 41315453991 45798889185 46870473015 51036737283 53119869417 55743072845 64118444859 65618662221 68859089985 78040301983 85061228805 88533115695 96402725979 100337531121 106864074765 109364437035 123946361973 140611419045 153110211849 159359608251 160671209965 167229218535 196855986663 206577269955 234120905949 255183686415 265599347085 289208177937 301012593363 320592224295 328093311105 371839085919 390201509915 459330635547 478078824753 482013629895 501687655605 546282113881 619731809865 702362717847 765551059245 796798041255 867624533811 903037780089 984279933315 1115517257757 1170604529745 1377991906641 1446040889685 1505062966815 1638846341643 1859195429595 2107088153541 2296653177735 2390394123765 2602873601433 2709113340267 2731410569405 3346551773271 3511813589235 4338122669055 4515188900445 4916539024929 5577586288785 6321264460623 6889959533205 7808620804299 8127340020801 8194231708215 10535440767705 13014368007165 13545566701335 14749617074787 16732758866355 18963793381869 23425862412897 24582695124645 31606322303115 39043104021495 40636700104005 44248851224361 56891380145607 73748085373935 94818966909345 117129312064485 132746553673083 221244256121805 284456900728035 398239661019249 663732768365415 1991198305096245
• Sum of all divisors σ(n): 4427694327181986
• Sum of proper divisors (its aliquot sum) s(n): 2436496022085741
• 1991198305096245 is an abundant number, because the sum of its proper divisors (2436496022085741) is greater than itself. Its abundance is 445297716989496

Bases of 1991198305096245

• Binary: 111000100101111101111111011101001110001001000110101₂
• Hexadecimal: 0x712FBFBA71235
• Base-36: JLTJVFMYB9

Squares and roots of 1991198305096245

• 1991198305096245 squared (1991198305096245²) is 3964870690218158786738713100025
• 1991198305096245 cubed (1991198305096245³) is 7894843798288176835955028695080742899936906125
• The square root of 1991198305096245 is 44622845.1031110857
• The cube root of 1991198305096245 is 125807.0091858261

Scales and comparisons

• 1,991,198,305,096,245 seconds is equal to 63,313,946 years, 47 weeks, 6 days, 8 hours, 30 minutes, 45 seconds.
• To count from 1 to 1,991,198,305,096,245 would take you about one hundred eighty-nine million, nine hundred forty-one thousand, eight hundred forty 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 1991198305096245 cubic inches would be around 10483.9 feet tall.

Recreational maths with 1991198305096245

• 1991198305096245 backwards is 5426905038911991
• The number of decimal digits it has is: 16
• The sum of 1991198305096245's digits is 72
• More coming soon!