138205172697801439329

Names of 138205172697801439329

• Cardinal: 138205172697801439329 can be written as One hundred thirty-eight quintillion, two hundred five quadrillion, one hundred seventy-two trillion, six hundred ninety-seven billion, eight hundred one million, four hundred thirty-nine thousand, three hundred twenty-nine.

Scientific notation

• Scientific notation: 1.38205172697801439329 × 10²⁰

Factors of 138205172697801439329

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 14257

Divisors of 138205172697801439329

• Number of divisors d(n): 84
• Complete list of divisors:
  1 3 9 11 27 33 99 121 297 363 1089 1331 3267 3993 11979 14243 14641 35937 42729 43923 128187 131769 156673 161051 384561 395307 470019 483153 1410057 1449459 1723403 1771561 4230171 4348377 5170209 5314683 15510627 15944049 18957433 46531881 47832147 56872299 170616897 202863049 208531763 511850691 608589147 625595289 1825767441 1876785867 2231493539 2293849393 5477302323 5630357601 6694480617 6881548179 20083441851 20644644537 24546428929 25232343323 60250325553 61933933611 73639286787 75697029969 220917860361 227091089907 270010718219 662753581083 681273269721 810032154657 2430096463971 2970117900409 7290289391913 8910353701227 26731061103681 32671296904499 80193183311043 98013890713497 294041672140491 359384265949489 882125016421473 1078152797848467 3234458393545401 9703375180636203
• Sum of all divisors σ(n): 138211283339812126366
• Sum of proper divisors (its aliquot sum) s(n): 6110642010687037
• 138205172697801439329 is a deficient number, because the sum of its proper divisors (6110642010687037) is less than itself. Its deficiency is 138199062055790752292

Bases of 138205172697801439329

• Binary: 1110111110111111011011010000101001110000101111110000011100001100001₂
• Hexadecimal: 0x77DFB685385F83861
• Base-36: T60NGXRUWGRQ9

Squares and roots of 138205172697801439329

• 138205172697801439329 squared (138205172697801439329²) is 19100669760429120375550867905624067970241
• 138205172697801439329 cubed (138205172697801439329³) is 2639811362883780226287058100390850726966474650070297339008289
• The square root of 138205172697801439329 is 11756069610.9627319325
• 138205172697801439329 is a perfect cube number. Its cube root is 5170209

Scales and comparisons

• 138,205,172,697,801,439,329 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,205,172,697,801,439,329 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 138205172697801439329 cubic inches would be around 430850.8 feet tall.

Recreational maths with 138205172697801439329

• 138205172697801439329 backwards is 923934108796271502831
• The number of decimal digits it has is: 21
• The sum of 138205172697801439329's digits is 90
• More coming soon!