489979918985949643923

Names of 489979918985949643923

• Cardinal: 489979918985949643923 can be written as Four hundred eighty-nine quintillion, nine hundred seventy-nine quadrillion, nine hundred eighteen trillion, nine hundred eighty-five billion, nine hundred forty-nine million, six hundred forty-three thousand, nine hundred twenty-three.

Scientific notation

• Scientific notation: 4.89979918985949643923 × 10²⁰

Factors of 489979918985949643923

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 453

Divisors of 489979918985949643923

• Number of divisors d(n): 140
• Complete list of divisors:
  1 3 7 9 21 27 49 63 147 189 343 441 443 1029 1323 1329 2401 3087 3101 3987 7203 9261 9303 11961 21609 21707 27909 64827 65121 83727 151949 195363 196249 455847 586089 588747 1063643 1367541 1373743 1766241 3190929 4102623 4121229 5298723 9572787 9616201 12363687 28718361 28848603 37091061 67313407 86545809 86938307 201940221 259637427 260814921 471193849 605820663 608568149 782444763 1413581547 1817461989 1825704447 2347334289 4240744641 4259977043 5477113341 12722233923 12779931129 16431340023 29819839301 38339793387 38513670001 89459517903 115019380161 115541010003 208738875107 268378553709 269595690007 346623030009 626216625321 805135661127 808787070021 1039869090027 1878649875963 1887169830049 2426361210063 5635949627889 5661509490147 7279083630189 13210188810343 16984528470441 17061555810443 39630566431029 50953585411323 51184667431329 92471321672401 118891699293087 119430890673101 153554002293987 277413965017203 356675097879261 358292672019303 460662006881961 832241895051609 836016234711707 1074878016057909 2496725685154827 2508048704135121 3224634048173727 5852113642981949 7524146112405363 7558269224026249 17556340928945847 22572438337216089 22674807672078747 40964795500873643 52669022786837541 52907884568183743 68024423016236241 122894386502620929 158007068360512623 158723653704551229 204073269048708723 368683159507862787 370355191977286201 476170961113653687 1106049478523588361 1111065575931858603 1428512883340961061 2592486343841003407 3333196727795575809 7777459031523010221 9999590183386727427 18147404406887023849 23332377094569030663 54442213220661071547 69997131283707091989 163326639661983214641 489979918985949643923
• Sum of all divisors σ(n): 848744385407095283720
• Sum of proper divisors (its aliquot sum) s(n): 358764466421145639797
• 489979918985949643923 is a deficient number, because the sum of its proper divisors (358764466421145639797) is less than itself. Its deficiency is 131215452564804004126

Bases of 489979918985949643923

• Binary: 110101000111111010110010111000100101011111000001101001000010010010011₂
• Hexadecimal: 0x1A8FD65C4AF8348493
• Base-36: 2VEMYHA8EV73IR

Squares and roots of 489979918985949643923

• 489979918985949643923 squared (489979918985949643923²) is 240080321009477776335138176979890490829929
• 489979918985949643923 cubed (489979918985949643923³) is 117634536238344705083727493961087551852154748331124194301371467
• The square root of 489979918985949643923 is 22135490032.6590837353
• The cube root of 489979918985949643923 is 7883627.4654458705
• Being both a perfect square and a perfect cube, 489979918985949643923 is also a perfect sixth number.

Scales and comparisons

• 489,979,918,985,949,643,923 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 489,979,918,985,949,643,923 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 489979918985949643923 cubic inches would be around 656969 feet tall.

Recreational maths with 489979918985949643923

• 489979918985949643923 backwards is 329346949589819979984
• The number of decimal digits it has is: 21
• The sum of 489979918985949643923's digits is 135
• More coming soon!