405720030342

Names of 405720030342

• Cardinal: 405720030342 can be written as Four hundred five billion, seven hundred twenty million, thirty thousand, three hundred forty-two.

Scientific notation

• Scientific notation: 4.05720030342 × 10¹¹

Factors of 405720030342

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 788938

Divisors of 405720030342

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 11 22 33 66 121 242 363 709 726 1418 2127 4254 7799 15598 23397 46794 85789 171578 257367 514734 788213 1576426 2364639 4729278 8670343 17340686 26011029 52022058 95373773 190747546 286121319 558843017 572242638 1117686034 1676529051 3353058102 6147273187 12294546374 18441819561 36883639122 67620005057 135240010114 202860015171 405720030342
• Sum of all divisors σ(n): 893172576240
• Sum of proper divisors (its aliquot sum) s(n): 487452545898
• 405720030342 is an abundant number, because the sum of its proper divisors (487452545898) is greater than itself. Its abundance is 81732515556

Bases of 405720030342

• Binary: 101111001110110110011000101110010000110₂
• Hexadecimal: 0x5E76CC5C86
• Base-36: 56DV8AYU

Squares and roots of 405720030342

• 405720030342 squared (405720030342²) is 164608743020713400636964
• 405720030342 cubed (405720030342³) is 66785064212922321640915036206761688
• The square root of 405720030342 is 636961.5611180945
• The cube root of 405720030342 is 7403.0181889723

Scales and comparisons

• 405,720,030,342 seconds is equal to 12,900 years, 33 weeks, 2 days, 16 hours, 25 minutes, 42 seconds.
• To count from 1 to 405,720,030,342 would take you about twenty-five thousand, eight hundred one 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 405720030342 cubic inches would be around 616.9 feet tall.

Recreational maths with 405720030342

• 405720030342 backwards is 243030027504
• The number of decimal digits it has is: 12
• The sum of 405720030342's digits is 30
• More coming soon!