138899975764578293862

Names of 138899975764578293862

• Cardinal: 138899975764578293862 can be written as One hundred thirty-eight quintillion, eight hundred ninety-nine quadrillion, nine hundred seventy-five trillion, seven hundred sixty-four billion, five hundred seventy-eight million, two hundred ninety-three thousand, eight hundred sixty-two.

Scientific notation

• Scientific notation: 1.38899975764578293862 × 10²⁰

Factors of 138899975764578293862

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 475

Divisors of 138899975764578293862

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 6 9 18 27 54 73 81 146 162 219 243 397 438 486 657 794 1191 1314 1971 2382 3573 3942 5913 7146 10719 11826 17739 21438 28981 32157 35478 57962 64314 86943 96471 157609 173886 192942 260829 315218 472827 521658 782487 945654 1418481 1564974 2347461 2836962 4255443 4694922 7042383 8510886 11505457 12766329 14084766 23010914 25532658 34516371 38298987 62570773 69032742 76597974 103549113 125141546 187712319 207098226 310647339 375424638 563136957 621294678 931942017 1126273914 1689410871 1863884034 2795826051 3378821742 4567666429 5068232613 5591652102 9135332858 10136465226 13702999287 15204697839 24840596881 27405998574 30409395678 41108997861 49681193762 74521790643 82217995722 123326993583 149043581286 223565371929 246653987166 369980980749 447130743858 670696115787 739961961498 1109942942247 1341392231574 1813363572313 2012088347361 2219885884494 3626727144626 4024176694722 5440090716939 6036265042083 9861716961757 10880181433878 12072530084166 16320272150817 19723433923514 29585150885271 32640544301634 48960816452451 59170301770542 88755452655813 97921632904902 146882449357353 177510905311626 266266357967439 293764898714706 440647348072059 532532715934878 719905338208261 798799073902317 881294696144118 1439810676416522 1597598147804634 2159716014624783 2396397221706951 3915101633817529 4319432029249566 4792794443413902 6479148043874349 7830203267635058 11745304901452587 12958296087748698 19437444131623047 23490609802905174 35235914704357761 38874888263246094 58312332394869141 70471829408715522 105707744113073283 116624664789738282 174936997184607423 211415488226146566 285802419268679617 317123232339219849 349873994369214846 571604838537359234 634246464678439698 857407257806038851 951369697017659547 1714814515612077702 1902739394035319094 2572221773418116553 5144443546836233106 7716665320254349659 15433330640508699318 23149995960763048977 46299991921526097954 69449987882289146931 138899975764578293862
• Sum of all divisors σ(n): 317170450837712557176
• Sum of proper divisors (its aliquot sum) s(n): 178270475073134263314
• 138899975764578293862 is an abundant number, because the sum of its proper divisors (178270475073134263314) is greater than itself. Its abundance is 39370499308555969452

Bases of 138899975764578293862

• Binary: 1111000011110011111110110000000100011000110000011100101100001100110₂
• Hexadecimal: 0x7879FD808C60E5866
• Base-36: TBAOS2IAJU0DI

Squares and roots of 138899975764578293862

• 138899975764578293862 squared (138899975764578293862²) is 19293203267400437390528874344926826875044
• 138899975764578293862 cubed (138899975764578293862³) is 2679825466263003505855316067291595774264475911254590586179928
• The square root of 138899975764578293862 is 11785583386.6880893519
• The cube root of 138899975764578293862 is 5178858.6375921223
• Being both a perfect square and a perfect cube, 138899975764578293862 is also a perfect sixth number.

Scales and comparisons

• 138,899,975,764,578,293,862 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,899,975,764,578,293,862 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 138899975764578293862 cubic inches would be around 431571.6 feet tall.

Recreational maths with 138899975764578293862

• 138899975764578293862 backwards is 268392875467579998831
• The number of decimal digits it has is: 21
• The sum of 138899975764578293862's digits is 126
• More coming soon!