1991472338115

Names of 1991472338115

• Cardinal: 1991472338115 can be written as One trillion, nine hundred ninety-one billion, four hundred seventy-two million, three hundred thirty-eight thousand, one hundred fifteen.

Scientific notation

• Scientific notation: 1.991472338115 × 10¹²

Factors of 1991472338115

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2243

Divisors of 1991472338115

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 5 9 13 15 19 27 29 31 39 45 57 65 87 93 95 117 135 145 155 171 195 247 261 279 285 351 377 403 435 465 513 551 585 589 741 783 837 855 899 961 1131 1209 1235 1305 1395 1653 1755 1767 1885 2015 2143 2223 2565 2697 2755 2883 2945 3393 3627 3705 3915 4185 4495 4805 4959 5301 5655 6045 6429 6669 7163 7657 8091 8265 8649 8835 10179 10715 10881 11115 11687 12493 13485 14415 14877 15903 16965 17081 18135 18259 19287 21489 22971 24273 24795 25947 26505 27859 27869 32145 33345 35061 35815 37479 38285 40455 40717 43245 50895 51243 54405 54777 57861 58435 62147 62465 64467 66433 68913 74385 79515 83577 83607 85405 91295 96435 105183 107445 112437 114855 121365 122151 129735 139295 139345 153729 164331 175305 186441 187395 193401 199299 203585 206739 222053 237367 250731 250821 256215 273885 289305 310735 315549 322335 332165 337311 344565 362297 366453 417885 418035 461187 492993 525915 529321 529511 559323 562185 597897 610755 666159 712101 752193 752463 768645 807911 821655 863629 932205 967005 996495 1033695 1086891 1099359 1110265 1180793 1186835 1253655 1254105 1262227 1577745 1587963 1588533 1677969 1686555 1793691 1811485 1832265 1926557 1998477 2059423 2136303 2305935 2423733 2464965 2590887 2646605 2647555 2796615 2989485 3260673 3330795 3542379 3560505 3760965 3762315 3786681 4039555 4318145 4763889 4765599 5434455 5496795 5779671 5903965 5995431 6178269 6311135 6408909 6883643 7271199 7772661 7939815 7942665 8389845 8968455 9632785 9782019 9992385 10297115 10627137 10681515 11360043 12118665 12954435 14291667 14296797 15350309 16303365 16408951 17339013 17711895 18534807 18933405 20650929 21813597 23317983 23819445 23827995 25045241 26772499 28898355 29977155 30891345 31881411 32044545 34080129 34418215 36355995 36604583 38863305 39129037 46050927 48910095 49226853 52017039 53135685 55604421 56800215 59723267 61952787 71458335 71483985 75135723 76751545 80317497 82044755 86695065 92674035 103254645 109067985 109813749 116589915 117387111 125226205 133862495 138152781 147680559 159407055 170400645 179169801 183022915 185858361 195645185 225407169 230254635 240952491 246134265 260085195 278022105 298616335 309763935 329441247 352161333 375678615 401587485 414458343 443041677 475859579 508677481 537509403 549068745 586935555 676221507 690763905 722857473 738402795 776402471 895849005 929291805 988323741 1056483999 1127035845 1134742073 1204762455 1427578737 1526032443 1612528209 1647206235 1760806665 2072291715 2215208385 2329207413 2379297895 2543387405 2687547015 3381107535 3404226219 3614287365 3882012355 4282736211 4578097329 4941618705 5282419995 5673710365 6987622239 7137893685 7630162215 8062641045 10212678657 11646037065 12848208633 13734291987 14751646949 17021131095 20962866717 21413681055 22890486645 30638035971 34938111195 44254940847 51063393285 64241043165 68671459935 73758234745 104814333585 132764822541 153190179855 221274704235 398294467623 663824112705 1991472338115
• Sum of all divisors σ(n): 4292047872000
• Sum of proper divisors (its aliquot sum) s(n): 2300575533885
• 1991472338115 is an abundant number, because the sum of its proper divisors (2300575533885) is greater than itself. Its abundance is 309103195770

Bases of 1991472338115

• Binary: 11100111110101101000000000101010011000011₂
• Hexadecimal: 0x1CFAD0054C3
• Base-36: PEVB7MIR

Squares and roots of 1991472338115

• 1991472338115 squared (1991472338115²) is 3965962073477224881753225
• 1991472338115 cubed (1991472338115³) is 7898103763343102463466749391191670875
• The square root of 1991472338115 is 1411195.3578845843
• The cube root of 1991472338115 is 12581.2780198691

Scales and comparisons

• 1,991,472,338,115 seconds is equal to 63,322 years, 34 weeks, 2 days, 8 hours, 35 minutes, 15 seconds.
• To count from 1 to 1,991,472,338,115 would take you about one hundred fifty-eight thousand, three hundred six 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 1991472338115 cubic inches would be around 1048.4 feet tall.

Recreational maths with 1991472338115

• 1991472338115 backwards is 5118332741991
• The number of decimal digits it has is: 13
• The sum of 1991472338115's digits is 54
• More coming soon!