1998478040481

Names of 1998478040481

• Cardinal: 1998478040481 can be written as One trillion, nine hundred ninety-eight billion, four hundred seventy-eight million, forty thousand, four hundred eighty-one.

Scientific notation

• Scientific notation: 1.998478040481 × 10¹²

Factors of 1998478040481

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 111

Divisors of 1998478040481

• Number of divisors d(n): 378
• Complete list of divisors:
  1 3 9 13 17 27 37 39 41 51 81 111 117 123 153 169 221 243 289 333 351 369 459 481 507 533 629 663 697 729 867 999 1053 1107 1369 1377 1443 1517 1521 1599 1887 1989 2091 2601 2873 2997 3159 3321 3757 4107 4131 4329 4551 4563 4797 5661 5967 6253 6273 6929 7803 8177 8619 8991 9061 9477 9963 10693 11271 11849 12321 12393 12987 13653 13689 14391 16983 17797 17901 18759 18819 19721 20787 23273 23409 24531 25789 25857 26973 27183 29889 32079 33813 35547 36963 38961 40959 41067 43173 48841 50949 53391 53703 56129 56277 56457 59163 62361 69819 70227 73593 77367 77571 81549 96237 101439 106301 106641 110889 116883 117793 122877 123201 129519 139009 146523 152847 154037 160173 161109 168387 168831 169371 177489 187083 209457 210681 220779 231361 232101 232713 244647 256373 288711 302549 304317 318903 319923 332667 335257 350649 353379 368631 388557 395641 417027 438413 439569 458541 462111 480519 505161 506493 508113 532467 561249 628371 662337 694083 696303 698139 729677 733941 769119 866133 907647 912951 954193 956709 959769 998001 1005771 1060137 1105893 1186923 1251081 1315239 1318707 1386333 1441557 1515483 1519479 1597401 1683747 1807117 1885113 1987011 2002481 2082249 2088909 2094417 2189031 2201823 2307357 2598399 2722941 2738853 2862579 2870127 2879307 3017313 3180411 3560769 3753243 3933137 3945717 3956121 4158999 4324671 4358341 4546449 4558437 4792203 5051241 5143333 5421351 5655339 5699369 5961033 6007443 6246747 6266727 6567093 6605469 6922071 7795197 8168823 8587737 8610381 8637921 9051939 9485801 9541233 10682307 11259729 11799411 11837151 11868363 12404509 12476997 12974013 13075023 13639347 14376609 15429999 16221281 16264053 16966017 17098107 18022329 18740241 18800181 19701279 20766213 24506469 25763211 25831143 27155817 28457403 28623699 32046921 33779187 35398233 35511453 35605089 37213527 37430991 39225069 40918041 46289997 48663843 48792159 51294321 54066987 56220723 59103837 62298639 66863329 73519407 74091797 77289633 77493429 81467451 85372209 85871097 96140763 101337561 106194699 106534359 111640581 112292973 117675207 138869991 145991529 146376477 153882963 161258617 162200961 168662169 177311511 186895917 200589987 210876653 220558221 222275391 231868899 244402353 256116627 288422289 318584097 319603077 334921743 353025621 416609973 437974587 439129431 461648889 483775851 486602883 531934533 601769961 632629959 666826173 695606697 768349881 955752291 1004765229 1059076863 1249829919 1313923761 1317388293 1384946667 1451327553 1459808649 1805309883 1897889877 2000478519 2305049643 2741396489 2867256873 3014295687 3177230589 3749489757 3941771283 4154840001 4353982659 5415929649 5693669631 6001435557 6915148929 8224189467 9042887061 11825313849 13061947977 16247788947 17081008893 18004306671 24672568401 39185843931 48743366841 51243026679 54012920013 74017705203 117557531793 153729080037 222053115609 666159346827 1998478040481
• Sum of all divisors σ(n): 3628716295302
• Sum of proper divisors (its aliquot sum) s(n): 1630238254821
• 1998478040481 is a deficient number, because the sum of its proper divisors (1630238254821) is less than itself. Its deficiency is 368239785660

Bases of 1998478040481

• Binary: 11101000101001110100100101101110110100001₂
• Hexadecimal: 0x1D14E92DDA1
• Base-36: PI368529

Squares and roots of 1998478040481

• 1998478040481 squared (1998478040481²) is 3993914478284777474711361
• 1998478040481 cubed (1998478040481³) is 7981750380411257513552288262348604641
• The square root of 1998478040481 is 1413675.3660161871
• The cube root of 1998478040481 is 12596.0137732053

Scales and comparisons

• 1,998,478,040,481 seconds is equal to 63,545 years, 21 weeks, 5 days, 21 hours, 1 minute, 21 seconds.
• To count from 1 to 1,998,478,040,481 would take you about one hundred fifty-eight thousand, eight hundred sixty-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 1998478040481 cubic inches would be around 1049.7 feet tall.

Recreational maths with 1998478040481

• 1998478040481 backwards is 1840408748991
• The number of decimal digits it has is: 13
• The sum of 1998478040481's digits is 63
• More coming soon!