138478168550886560670

Names of 138478168550886560670

• Cardinal: 138478168550886560670 can be written as One hundred thirty-eight quintillion, four hundred seventy-eight quadrillion, one hundred sixty-eight trillion, five hundred fifty billion, eight hundred eighty-six million, five hundred sixty thousand, six hundred seventy.

Scientific notation

• Scientific notation: 1.3847816855088656067 × 10²⁰

Factors of 138478168550886560670

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1612

Divisors of 138478168550886560670

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 5 6 10 15 30 113 226 339 565 678 1130 1489 1695 2978 3390 4467 7445 8934 12769 14890 22335 25538 38307 44670 63845 76614 127690 168257 191535 336514 383070 504771 841285 1009542 1442897 1682570 2217121 2523855 2885794 4328691 4434242 5047710 6651363 7214485 8657382 11085605 13302726 14428970 19013041 21643455 22171210 33256815 38026082 43286910 57039123 66513630 95065205 114078246 163047361 190130410 250534673 285195615 326094722 489142083 501069346 570391230 751604019 815236805 978284166 1252673365 1503208038 1630473610 2148473633 2445710415 2505346730 3758020095 4296947266 4891420830 6445420899 7516040190 10742368165 12890841798 18424351793 21484736330 28310418049 32227104495 36848703586 55273055379 56620836098 64454208990 84931254147 92121758965 110546110758 141552090245 169862508294 184243517930 242777520529 276365276895 283104180490 424656270735 485555041058 552730553790 728332561587 849312541470 1213887602645 1456665123174 2081951752609 2427775205290 3199077239537 3641662807935 4163903505218 6245855257827 6398154479074 7283325615870 9597231718611 10409758763045 12491710515654 15995386197685 19194463437222 20819517526090 27433859819777 31229276289135 31990772395370 47986158593055 54867719639554 62458552578270 82301579459331 95972317186110 137169299098885 164603158918662 274338598197770 361495728067681 411507897296655 722991456135362 823015794593310 1084487184203043 1807478640338405 2168974368406086 3100026159634801 3614957280676810 5422435921015215 6200052319269602 9300078478904403 10844871842030430 15500130798174005 18600156957808806 31000261596348010 40849017271647953 46500392394522015 81698034543295906 93000784789044030 122547051814943859 204245086358239765 245094103629887718 408490172716479530 612735259074719295 1225470518149438590 4615938951696218689 9231877903392437378 13847816855088656067 23079694758481093445 27695633710177312134 46159389516962186890 69239084275443280335 138478168550886560670
• Sum of all divisors σ(n): 335540339844593959656
• Sum of proper divisors (its aliquot sum) s(n): 197062171293707398986
• 138478168550886560670 is an abundant number, because the sum of its proper divisors (197062171293707398986) is greater than itself. Its abundance is 58584002742820838316

Bases of 138478168550886560670

• Binary: 1111000000111000101010010001001101110110110010000110101001110011110₂
• Hexadecimal: 0x781C5489BB643539E
• Base-36: T83BHW3FBAOWU

Squares and roots of 138478168550886560670

• 138478168550886560670 squared (138478168550886560670²) is 19176203165207747698280907846821590848900
• 138478168550886560670 cubed (138478168550886560670³) is 2655485494077682849054620803547756718861998189048466652763000
• The square root of 138478168550886560670 is 11767674729.9917565605
• The cube root of 138478168550886560670 is 5173610.9886702207

Scales and comparisons

• 138,478,168,550,886,560,670 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,478,168,550,886,560,670 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 138478168550886560670 cubic inches would be around 431134.2 feet tall.

Recreational maths with 138478168550886560670

• 138478168550886560670 backwards is 076065688055861874831
• The number of decimal digits it has is: 21
• The sum of 138478168550886560670's digits is 102
• More coming soon!