138615563105523990

Names of 138615563105523990

• Cardinal: 138615563105523990 can be written as One hundred thirty-eight quadrillion, six hundred fifteen trillion, five hundred sixty-three billion, one hundred five million, five hundred twenty-three thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.3861556310552399 × 10¹⁷

Factors of 138615563105523990

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 65680

Divisors of 138615563105523990

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 30 45 71 90 142 213 355 426 639 710 1065 1278 2130 3195 5041 6390 10082 15123 25205 30246 45369 50410 65599 75615 90738 131198 151230 196797 226845 327995 357911 393594 453690 590391 655990 715822 983985 1073733 1180782 1789555 1967970 2147466 2951955 3221199 3579110 4657529 5368665 5903910 6442398 9315058 10737330 13972587 16105995 23287645 27945174 32211990 41917761 46575290 69862935 83835522 139725870 209588805 330684559 419177610 661369118 992053677 1653422795 1984107354 2976161031 3306845590 4303228801 4960268385 5952322062 8606457602 9920536770 12909686403 14880805155 21516144005 23478603689 25819372806 29761610310 38729059209 43032288010 46957207378 64548432015 70435811067 77458118418 117393018445 129096864030 140871622134 193645296045 211307433201 234786036890 305529244871 352179055335 387290592090 422614866402 611058489742 704358110670 916587734613 1056537166005 1527646224355 1833175469226 2113074332010 2749763203839 3055292448710 4582938673065 5499526407678 9165877346130 13748816019195 21692576385841 27497632038390 43385152771682 65077729157523 108462881929205 130155458315046 195233187472569 216925763858410 325388645787615 390466374945138 650777291575230 976165937362845 1540172923394711 1952331874725690 3080345846789422 4620518770184133 7700864616973555 9241037540368266 13861556310552399 15401729233947110 23102593850920665 27723112621104798 46205187701841330 69307781552761995 138615563105523990
• Sum of all divisors σ(n): 365554600311098016
• Sum of proper divisors (its aliquot sum) s(n): 226939037205574026
• 138615563105523990 is an abundant number, because the sum of its proper divisors (226939037205574026) is greater than itself. Its abundance is 88323474100050036

Bases of 138615563105523990

• Binary: 111101100011101100001111011000111001111101101100100010110₂
• Hexadecimal: 0x1EC761EC73ED916
• Base-36: 11WV46L98XLI

Squares and roots of 138615563105523990

• 138615563105523990 squared (138615563105523990²) is 19214274335061503578848052465520100
• 138615563105523990 cubed (138615563105523990³) is 2663397456618567850998824437000932849207318377199000
• The square root of 138615563105523990 is 372311110.6393737345
• The cube root of 138615563105523990 is 517532.1465314795

Scales and comparisons

• 138,615,563,105,523,990 seconds is equal to 4,407,546,140 years, 34 weeks, 4 days, 19 hours, 46 minutes, 30 seconds.
• To count from 1 to 138,615,563,105,523,990 would take you about thirteen billion, two hundred twenty-two million, six hundred thirty-eight thousand, four hundred twenty-two 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 138615563105523990 cubic inches would be around 43127.7 feet tall.

Recreational maths with 138615563105523990

• 138615563105523990 backwards is 099325501365516831
• The number of decimal digits it has is: 18
• The sum of 138615563105523990's digits is 72
• More coming soon!