420831511949745

Names of 420831511949745

• Cardinal: 420831511949745 can be written as Four hundred twenty trillion, eight hundred thirty-one billion, five hundred eleven million, nine hundred forty-nine thousand, seven hundred forty-five.

Scientific notation

• Scientific notation: 4.20831511949745 × 10¹⁴

Factors of 420831511949745

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 7735162481

Divisors of 420831511949745

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 9 13 15 27 31 39 45 65 93 117 135 155 195 279 351 403 465 585 837 1209 1395 1755 2015 3627 4185 6045 10881 18135 54405 7735162429 23205487287 38675812145 69616461861 100557111577 116027436435 208849385583 239790035299 301671334731 348082309305 502785557885 719370105897 905014004193 1044246927915 1198950176495 1508356673655 2158110317691 2715042012579 3117270458887 3596850529485 4525070020965 6474330953073 9351811376661 10790551588455 13575210062895 15586352294435 28055434129983 32371654765365 46759056883305 84166302389949 140277170649915 420831511949745
• Sum of all divisors σ(n): 831684664473600
• Sum of proper divisors (its aliquot sum) s(n): 410853152523855
• 420831511949745 is a deficient number, because the sum of its proper divisors (410853152523855) is less than itself. Its deficiency is 9978359425890

Bases of 420831511949745

• Binary: 1011111101011111001111000110001111011000110110001₂
• Hexadecimal: 0x17EBE78C7B1B1
• Base-36: 4567BSO0Q9

Squares and roots of 420831511949745

• 420831511949745 squared (420831511949745²) is 177099161449908368731405565025
• 420831511949745 cubed (420831511949745³) is 74528907877996932716025780744088281129668625
• The square root of 420831511949745 is 20514178.3152468723
• The cube root of 420831511949745 is 74938.1126178347

Scales and comparisons

• 420,831,511,949,745 seconds is equal to 13,381,140 years, 18 weeks, 6 days, 15 minutes, 45 seconds.
• To count from 1 to 420,831,511,949,745 would take you about thirty-three million, four hundred fifty-two thousand, eight hundred fifty 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 420831511949745 cubic inches would be around 6244.8 feet tall.

Recreational maths with 420831511949745

• 420831511949745 backwards is 547949115138024
• The number of decimal digits it has is: 15
• The sum of 420831511949745's digits is 63
• More coming soon!