221820329297889

Names of 221820329297889

• Cardinal: 221820329297889 can be written as Two hundred twenty-one trillion, eight hundred twenty billion, three hundred twenty-nine million, two hundred ninety-seven thousand, eight hundred eighty-nine.

Scientific notation

• Scientific notation: 2.21820329297889 × 10¹⁴

Factors of 221820329297889

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 12677748

Divisors of 221820329297889

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 21 29 61 63 87 157 183 203 261 427 471 549 609 1099 1281 1413 1769 1827 3297 3843 4553 5307 9577 9891 12383 13659 15921 28731 31871 37149 40977 67039 86193 95613 111447 201117 277733 286839 603351 833199 1944131 2499597 5832393 12677491 17497179 38032473 88742437 114097419 266227311 367647239 773326951 798681933 1102941717 1990366087 2319980853 2573530673 3308825151 5413288657 5971098261 6959942559 7720592019 13932562609 16239865971 17913294783 22426481579 23161776057 41797687827 48719597913 57720616523 67279444737 121412331307 125393063481 156985371053 173161849569 201838334211 364236993921 404044315661 470956113159 519485548707 849886319149 1092710981763 1212132946983 1412868339477 2549658957447 3520957607903 3636398840949 7648976872341 10562872823709 24646703255321 31688618471127 73940109765963 221820329297889
• Sum of all divisors σ(n): 387468780291840
• Sum of proper divisors (its aliquot sum) s(n): 165648450993951
• 221820329297889 is a deficient number, because the sum of its proper divisors (165648450993951) is less than itself. Its deficiency is 56171878303938

Bases of 221820329297889

• Binary: 110010011011111010010001111011101000011111100001₂
• Hexadecimal: 0xC9BE91EE87E1
• Base-36: 26MMUOTZA9

Squares and roots of 221820329297889

• 221820329297889 squared (221820329297889²) is 49204258489823913059699856321
• 221820329297889 cubed (221820329297889³) is 10914504821071190904245174407817880108606369
• The square root of 221820329297889 is 14893633.8513436339
• The cube root of 221820329297889 is 60534.1499978331

Scales and comparisons

• 221,820,329,297,889 seconds is equal to 7,053,200 years, 17 weeks, 3 days, 10 hours, 18 minutes, 9 seconds.
• To count from 1 to 221,820,329,297,889 would take you about seventeen million, six hundred thirty-three thousand 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 221820329297889 cubic inches would be around 5044.5 feet tall.

Recreational maths with 221820329297889

• 221820329297889 backwards is 988792923028122
• The number of decimal digits it has is: 15
• The sum of 221820329297889's digits is 72
• More coming soon!