421894105883721

Names of 421894105883721

• Cardinal: 421894105883721 can be written as Four hundred twenty-one trillion, eight hundred ninety-four billion, one hundred five million, eight hundred eighty-three thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 4.21894105883721 × 10¹⁴

Factors of 421894105883721

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 651

Divisors of 421894105883721

• Number of divisors d(n): 99
• Complete list of divisors:
  1 3 9 27 81 181 243 467 543 729 1401 1629 2187 4203 4887 6561 12609 14661 19683 32761 37827 43983 59049 84527 98283 113481 131949 218089 253581 294849 340443 395847 654267 760743 884547 1021329 1187541 1962801 2282229 2653641 3063987 3562623 5888403 6846687 7960923 9191961 10687869 15299387 17665209 20540061 23882769 27575883 39474109 45898161 52995627 61620183 71648307 118422327 137694483 158986881 184860549 214944921 355266981 413083449 476960643 554581647 644834763 1065800943 1239250347 1430881929 1663744941 1934504289 3197402829 3717751041 4292645787 4991234823 7144813729 9592208487 11153253123 12877937361 21434441187 28776625461 33459759369 64303323561 86329876383 100379278107 192909970683 258989629149 301137834321 578729912049 776968887447 903413502963 1736189736147 2330906662341 5208569208441 15625707625323 46877122875969 140631368627907 421894105883721
• Sum of all divisors σ(n): 637718802110823
• Sum of proper divisors (its aliquot sum) s(n): 215824696227102
• 421894105883721 is a deficient number, because the sum of its proper divisors (215824696227102) is less than itself. Its deficiency is 206069409656619

Bases of 421894105883721

• Binary: 1011111111011010111100000010100000110010001001001₂
• Hexadecimal: 0x17FB5E0506449
• Base-36: 45JRH5NRK9

Squares and roots of 421894105883721

• 421894105883721 squared (421894105883721²) is 177994636579424386510372805841
• 421894105883721 cubed (421894105883721³) is 75094888051774111194573306407960633655614361
• 421894105883721 is a perfect square number. Its square root is 20540061
• The cube root of 421894105883721 is 75001.1321834255

Scales and comparisons

• 421,894,105,883,721 seconds is equal to 13,414,927 years, 29 weeks, 1 day, 21 hours, 55 minutes, 21 seconds.
• To count from 1 to 421,894,105,883,721 would take you about thirty-three million, five hundred thirty-seven thousand, three hundred eighteen 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 421894105883721 cubic inches would be around 6250.1 feet tall.

Recreational maths with 421894105883721

• 421894105883721 backwards is 127388501498124
• The number of decimal digits it has is: 15
• The sum of 421894105883721's digits is 63
• More coming soon!