138565074918993021432

Names of 138565074918993021432

• Cardinal: 138565074918993021432 can be written as One hundred thirty-eight quintillion, five hundred sixty-five quadrillion, seventy-four trillion, nine hundred eighteen billion, nine hundred ninety-three million, twenty-one thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 1.38565074918993021432 × 10²⁰

Factors of 138565074918993021432

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 149175639828859

Divisors of 138565074918993021432

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 19 21 24 28 36 38 42 56 57 63 72 76 84 97 114 126 133 152 168 171 194 228 252 266 291 342 388 399 456 504 532 582 679 684 776 798 873 1064 1164 1197 1358 1368 1596 1746 1843 2037 2328 2394 2716 3192 3492 3686 4074 4788 5432 5529 6111 6984 7372 8148 9576 11058 12222 12901 14744 16296 16587 22116 24444 25802 33174 38703 44232 48888 51604 66348 77406 103208 116109 132696 154812 232218 309624 464436 928872 149175639828731 298351279657462 447526919486193 596702559314924 895053838972386 1044229478801117 1193405118629848 1342580758458579 1790107677944772 2088458957602234 2685161516917158 2834337156745889 3132688436403351 3580215355889544 4176917915204468 5370323033834316 5668674313491778 6265376872806702 8353835830408936 8503011470237667 9398065309210053 10740646067668632 11337348626983556 12530753745613404 14470037063386907 17006022940475334 18796130618420106 19840360097221223 22674697253967112 25061507491226808 25509034410713001 28940074126773814 34012045880950668 37592261236840212 39680720194442446 43410111190160721 51018068821426002 57880148253547628 59521080291663669 68024091761901336 75184522473680424 79361440388884892 86820222380321442 101290259443708349 102036137642852004 115760296507095256 119042160583327338 130230333570482163 158722880777769784 173640444760642884 178563240874991007 202580518887416698 204072275285704008 238084321166654676 260460667140964326 274930704204351233 303870778331125047 347280889521285768 357126481749982014 405161037774833396 476168642333309352 520921334281928652 549861408408702466 607741556662250094 714252963499964028 810322075549666792 824792112613053699 911612334993375141 1041842668563857304 1099722816817404932 1215483113324500188 1428505926999928056 1649584225226107398 1823224669986750282 1924514929430458631 2199445633634809864 2430966226649000376 2474376337839161097 3299168450452214796 3646449339973500564 3849029858860917262 4948752675678322194 5773544788291375893 6598336900904429592 7292898679947001128 7698059717721834524 9897505351356644388 11547089576582751786 15396119435443669048 17320634364874127679 19795010702713288776 23094179153165503572 34641268729748255358 46188358306331007144 69282537459496510716 138565074918993021432
• Sum of all divisors σ(n): 456119436340330963200
• Sum of proper divisors (its aliquot sum) s(n): 317554361421337941768
• 138565074918993021432 is an abundant number, because the sum of its proper divisors (317554361421337941768) is greater than itself. Its abundance is 178989286502344920336

Bases of 138565074918993021432

• Binary: 1111000001011111010000010010111110101010101111101111100100111111000₂
• Hexadecimal: 0x782FA097D55F7C9F8
• Base-36: T8R37MLRTYBY0

Squares and roots of 138565074918993021432

• 138565074918993021432 squared (138565074918993021432²) is 19200279987306148884965505376716411330624
• 138565074918993021432 cubed (138565074918993021432³) is 2660488234906718898775103110158594998287809257926269269933568
• The square root of 138565074918993021432 is 11771366739.6353352011
• The cube root of 138565074918993021432 is 5174693.0502466509

Scales and comparisons

• 138,565,074,918,993,021,432 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,565,074,918,993,021,432 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 138565074918993021432 cubic inches would be around 431224.4 feet tall.

Recreational maths with 138565074918993021432

• 138565074918993021432 backwards is 234120399819470565831
• The number of decimal digits it has is: 21
• The sum of 138565074918993021432's digits is 90
• More coming soon!