421405640379889

Names of 421405640379889

• Cardinal: 421405640379889 can be written as Four hundred twenty-one trillion, four hundred five billion, six hundred forty million, three hundred seventy-nine thousand, eight hundred eighty-nine.

Scientific notation

• Scientific notation: 4.21405640379889 × 10¹⁴

Factors of 421405640379889

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2054

Divisors of 421405640379889

• Number of divisors d(n): 81
• Complete list of divisors:
  1 11 23 41 121 253 451 529 943 1681 1979 2783 4961 5819 10373 18491 21689 21769 38663 45517 64009 81139 114103 203401 238579 239459 425293 500687 889249 892529 1046891 1866197 2624369 3326699 3916441 4678223 5507557 9781739 9817819 11515801 20528167 36593689 42922531 43080851 76514077 90078143 107599129 126673811 160574081 225809837 402530579 472147841 473889361 841654847 990859573 1759823771 1766314891 2071797289 3693203863 5193626251 6583537321 9258203317 10899455303 19358061481 19429463801 22789770179 40625242493 72418910531 84943688849 151421358383 212938676291 250687471969 446877667423 796608015841 934380577339 1665634942213 3482691242809 10278186350729 18321984364343 38309603670899 421405640379889
• Sum of all divisors σ(n): 496561615180267
• Sum of proper divisors (its aliquot sum) s(n): 75155974800378
• 421405640379889 is a deficient number, because the sum of its proper divisors (75155974800378) is less than itself. Its deficiency is 346249665579511

Bases of 421405640379889

• Binary: 1011111110100010000100101100000000100110111110001₂
• Hexadecimal: 0x17F4425804DF1
• Base-36: 45DJ2TWSMP

Squares and roots of 421405640379889

• 421405640379889 squared (421405640379889²) is 177582713743984334492235652321
• 421405640379889 cubed (421405640379889³) is 74834357205682234168163104943069400164572369
• 421405640379889 is a perfect square number. Its square root is 20528167
• The cube root of 421405640379889 is 74972.1757753629

Scales and comparisons

• 421,405,640,379,889 seconds is equal to 13,399,395 years, 45 weeks, 1 day, 23 hours, 44 minutes, 49 seconds.
• To count from 1 to 421,405,640,379,889 would take you about thirty-three million, four hundred ninety-eight thousand, four hundred eighty-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 421405640379889 cubic inches would be around 6247.7 feet tall.

Recreational maths with 421405640379889

• 421405640379889 backwards is 988973046504124
• The number of decimal digits it has is: 15
• The sum of 421405640379889's digits is 70
• More coming soon!