138747250313623978290

Names of 138747250313623978290

• Cardinal: 138747250313623978290 can be written as One hundred thirty-eight quintillion, seven hundred forty-seven quadrillion, two hundred fifty trillion, three hundred thirteen billion, six hundred twenty-three million, nine hundred seventy-eight thousand, two hundred ninety.

Scientific notation

• Scientific notation: 1.3874725031362397829 × 10²⁰

Factors of 138747250313623978290

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 179447807542383

Divisors of 138747250313623978290

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 71 90 99 110 121 142 165 198 213 242 330 355 363 426 495 605 639 710 726 781 990 1065 1089 1210 1278 1562 1815 2130 2178 2343 3195 3630 3905 4686 5445 6390 7029 7810 8591 10890 11715 14058 17182 23430 25773 35145 42955 51546 70290 77319 85910 128865 154638 257730 386595 773190 179447807542291 358895615084582 538343422626873 897239037711455 1076686845253746 1615030267880619 1794478075422910 1973925882965201 2691717113134365 3230060535761238 3947851765930402 5383434226268730 5921777648895603 8075151339403095 9869629414826005 11843555297791206 12740794335502661 16150302678806190 17765332946686809 19739258829652010 21713184712617211 25481588671005322 29608888244478015 35530665893373618 38222383006507983 43426369425234422 59217776488956030 63703971677513305 65139554137851633 76444766013015966 88826664733434045 108565923563086055 114667149019523949 127407943355026610 130279108275703266 140148737690529271 177653329466868090 191111915032539915 195418662413554899 217131847126172110 229334298039047898 280297475381058542 325697770689258165 382223830065079830 390837324827109798 420446213071587813 573335745097619745 651395541378516330 700743688452646355 840892426143175626 977093312067774495 1146671490195239490 1261338639214763439 1401487376905292710 1541636114595821981 1954186624135548990 2102231065357939065 2522677278429526878 3083272229191643962 4204462130715878130 4624908343787465943 6306693196073817195 7708180572979109905 9249816687574931886 12613386392147634390 13874725031362397829 15416361145958219810 23124541718937329715 27749450062724795658 46249083437874659430 69373625156811989145 138747250313623978290
• Sum of all divisors σ(n): 402103775975847236928
• Sum of proper divisors (its aliquot sum) s(n): 263356525662223258638
• 138747250313623978290 is an abundant number, because the sum of its proper divisors (263356525662223258638) is greater than itself. Its abundance is 124609275348599280348

Bases of 138747250313623978290

• Binary: 1111000010110000001010000010000101110111001110000110100000100110010₂
• Hexadecimal: 0x78581410BB9C34132
• Base-36: TA4WZEYPJX8OI

Squares and roots of 138747250313623978290

• 138747250313623978290 squared (138747250313623978290²) is 19250799469591429141954404758446391324100
• 138747250313623978290 cubed (138747250313623978290³) is 2670995492744781731932319174007732634775597451758382753789000
• The square root of 138747250313623978290 is 11779102271.1250783287
• The cube root of 138747250313623978290 is 5176959.8285537877

Scales and comparisons

• 138,747,250,313,623,978,290 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,747,250,313,623,978,290 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 138747250313623978290 cubic inches would be around 431413.3 feet tall.

Recreational maths with 138747250313623978290

• 138747250313623978290 backwards is 092879326313052747831
• 138747250313623978290 is a Harshad number.
• The number of decimal digits it has is: 21
• The sum of 138747250313623978290's digits is 90
• More coming soon!