406420245

Names of 406420245

• Cardinal: 406420245 can be written as Four hundred six million, four hundred twenty thousand, two hundred forty-five.

Scientific notation

• Scientific notation: 4.06420245 × 10⁸

Factors of 406420245

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 10689

Divisors of 406420245

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 7 9 11 15 21 33 35 45 55 63 77 99 105 121 165 231 315 363 385 495 605 693 847 1089 1155 1815 2541 3465 4235 5445 7623 10663 12705 31989 38115 53315 74641 95967 117293 159945 223923 351879 373205 479835 586465 671769 821051 1055637 1119615 1290223 1759395 2463153 3358845 3870669 4105255 5278185 6451115 7389459 9031561 11612007 12315765 19353345 27094683 36947295 45157805 58060035 81284049 135473415 406420245
• Sum of all divisors σ(n): 885026688
• Sum of proper divisors (its aliquot sum) s(n): 478606443
• 406420245 is an abundant number, because the sum of its proper divisors (478606443) is greater than itself. Its abundance is 72186198

Bases of 406420245

• Binary: 11000001110010111101100010101₂
• Hexadecimal: 0x18397B15
• Base-36: 6PYZV9

Squares and roots of 406420245

• 406420245 squared (406420245²) is 165177415545860025
• 406420245 cubed (406420245³) is 67131445694615240096206125
• The square root of 406420245 is 20159.8671870625
• The cube root of 406420245 is 740.7274590931

Scales and comparisons

• 406,420,245 seconds is equal to 12 years, 47 weeks, 6 days, 22 hours, 30 minutes, 45 seconds.
• To count from 1 to 406,420,245 would take you about nineteen 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 406420245 cubic inches would be around 61.7 feet tall.

Recreational maths with 406420245

• 406420245 backwards is 542024604
• The number of decimal digits it has is: 9
• The sum of 406420245's digits is 27
• More coming soon!