221977857822721

Names of 221977857822721

• Cardinal: 221977857822721 can be written as Two hundred twenty-one trillion, nine hundred seventy-seven billion, eight hundred fifty-seven million, eight hundred twenty-two thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 2.21977857822721 × 10¹⁴

Factors of 221977857822721

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 13191

Divisors of 221977857822721

• Number of divisors d(n): 180
• Complete list of divisors:
  1 7 11 13 49 67 77 91 121 143 343 469 539 637 737 847 871 1001 1573 2401 3283 3773 4459 4489 5159 5929 6097 7007 8107 9581 11011 13093 22981 26411 31213 31423 36113 41503 42679 49049 49379 56749 58357 67067 77077 91651 105391 144023 160867 170209 219961 252791 290521 298753 343343 345653 397243 408499 469469 539539 543169 641557 641927 737737 877231 1008161 1191463 1539727 1584253 1769537 1872299 2091271 2419571 2780701 2859493 3286283 3776773 3802183 4490899 4493489 5164159 6140617 7057127 7061197 8340241 9649541 10778089 11089771 11404003 13106093 16936997 19464907 20016451 20595289 23003981 26615281 31436293 31454423 36149113 42984319 49399889 49428379 58381687 58774477 67546787 77628397 79828021 91742651 106144951 118558979 125444033 140115157 144167023 186306967 220180961 253043791 300890233 345799223 345998653 408671809 411421339 472827509 543398779 558796147 642198557 646519247 743014657 764068201 878108231 1009169161 1304148769 1379884363 1541266727 2106231631 2421990571 2879949373 3309792563 3803791453 3911573029 4495389899 4525634729 5201102599 5348477407 6146757617 7064184127 7111711717 8404750211 9659190541 16953933997 20159645611 23168547941 27381011203 31679443103 36407718193 37439341849 43027303319 49449288889 49781982019 58833251477 67614333787 92452252321 141117519277 221756101721 254854027351 262075392943 301191123233 348473874133 411832760339 473300336509 647165766247 1552292712047 1834527750601 2439317118931 2882829322373 3313102355563 4530160363729 17075219832517 20179805256611 31711122546103 221977857822721
• Sum of all divisors σ(n): 311203269213396
• Sum of proper divisors (its aliquot sum) s(n): 89225411390675
• 221977857822721 is a deficient number, because the sum of its proper divisors (89225411390675) is less than itself. Its deficiency is 132752446432046

Bases of 221977857822721

• Binary: 110010011110001100111111010111010001000000000001₂
• Hexadecimal: 0xC9E33F5D1001
• Base-36: 26ON7X8YYP

Squares and roots of 221977857822721

• 221977857822721 squared (221977857822721²) is 49274169363564138654663843841
• 221977857822721 cubed (221977857822721³) is 10937774561317915273573994829311521005711361
• The square root of 221977857822721 is 14898921.3644049079
• The cube root of 221977857822721 is 60548.4763055783

Scales and comparisons

• 221,977,857,822,721 seconds is equal to 7,058,209 years, 13 weeks, 2 days, 5 hours, 52 minutes, 1 second.
• To count from 1 to 221,977,857,822,721 would take you about seventeen million, six hundred forty-five thousand, five hundred twenty-three 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 221977857822721 cubic inches would be around 5045.7 feet tall.

Recreational maths with 221977857822721

• 221977857822721 backwards is 127228758779122
• The number of decimal digits it has is: 15
• The sum of 221977857822721's digits is 70
• More coming soon!