420908782121091

Names of 420908782121091

• Cardinal: 420908782121091 can be written as Four hundred twenty trillion, nine hundred eight billion, seven hundred eighty-two million, one hundred twenty-one thousand and ninety-one.

Scientific notation

• Scientific notation: 4.20908782121091 × 10¹⁴

Factors of 420908782121091

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 12207387

Divisors of 420908782121091

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 9 11 27 33 67 99 201 297 603 737 1733 1809 2211 5199 6633 15597 19063 19899 46791 57189 116111 171567 348333 514701 1044999 1277221 3134997 3831663 11494989 12205573 34484967 36616719 109850157 134261303 329550471 402783909 817773391 1208351727 2453320173 3625055181 7359960519 8995507301 21152258009 22079881557 26986521903 63456774027 80959565709 190370322081 232674838099 242878697127 571110966243 698024514297 1417201286603 2094073542891 4251603859809 6282220628673 12754811579427 15589214152633 38264434738281 46767642457899 140302927373697 420908782121091
• Sum of all divisors σ(n): 690808147914240
• Sum of proper divisors (its aliquot sum) s(n): 269899365793149
• 420908782121091 is a deficient number, because the sum of its proper divisors (269899365793149) is less than itself. Its deficiency is 151009416327942

Bases of 420908782121091

• Binary: 1011111101101000001110110011100001111000010000011₂
• Hexadecimal: 0x17ED07670F083
• Base-36: 4576TPBYIR

Squares and roots of 420908782121091

• 420908782121091 squared (420908782121091²) is 177164202866660054656987030281
• 420908782121091 cubed (420908782121091³) is 74569968864059782503052571383842044225756571
• The square root of 420908782121091 is 20516061.5645666993
• The cube root of 420908782121091 is 74942.6988764453

Scales and comparisons

• 420,908,782,121,091 seconds is equal to 13,383,597 years, 16 weeks, 2 days, 16 hours, 44 minutes, 51 seconds.
• To count from 1 to 420,908,782,121,091 would take you about thirty-three million, four hundred fifty-eight thousand, nine hundred ninety-three 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 420908782121091 cubic inches would be around 6245.2 feet tall.

Recreational maths with 420908782121091

• 420908782121091 backwards is 190121287809024
• The number of decimal digits it has is: 15
• The sum of 420908782121091's digits is 54
• More coming soon!