221213389992

Names of 221213389992

• Cardinal: 221213389992 can be written as Two hundred twenty-one billion, two hundred thirteen million, three hundred eighty-nine thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 2.21213389992 × 10¹¹

Factors of 221213389992

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 420

Divisors of 221213389992

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 131 168 262 277 393 524 554 786 831 917 1048 1108 1572 1662 1834 1939 2216 2751 3144 3324 3668 3878 5502 5817 6648 7336 7756 11004 11634 15512 17161 22008 23268 34322 36287 46536 51483 68644 72574 76729 102966 108861 120127 137288 145148 153458 205932 217722 230187 240254 254009 290296 306916 360381 411864 435444 460374 480508 508018 537103 613832 720762 762027 870888 920748 961016 1016036 1074206 1441524 1524054 1611309 1841496 2032072 2148412 2883048 3048108 3222618 4296824 4753597 6096216 6445236 9507194 10051499 12890472 14260791 19014388 20102998 28521582 30154497 33275179 38028776 40205996 57043164 60308994 66550358 70360493 80411992 99825537 114086328 120617988 133100716 140720986 199651074 211081479 241235976 266201432 281441972 399302148 422162958 562883944 798604296 844325916 1316746369 1688651832 2633492738 3950239107 5266985476 7900478214 9217224583 10533970952 15800956428 18434449166 27651673749 31601912856 36868898332 55303347498 73737796664 110606694996 221213389992
• Sum of all divisors σ(n): 639207384480
• Sum of proper divisors (its aliquot sum) s(n): 417993994488
• 221213389992 is an abundant number, because the sum of its proper divisors (417993994488) is greater than itself. Its abundance is 196780604496

Bases of 221213389992

• Binary: 11001110000001010110000111010010101000₂
• Hexadecimal: 0x33815874A8
• Base-36: 2TMGQO4O

Squares and roots of 221213389992

• 221213389992 squared (221213389992²) is 48935363911752685760064
• 221213389992 cubed (221213389992³) is 10825157741410989547294462570879488
• The square root of 221213389992 is 470333.2754462521
• The cube root of 221213389992 is 6047.8888883785

Scales and comparisons

• 221,213,389,992 seconds is equal to 7,033 years, 46 weeks, 6 days, 3 hours, 53 minutes, 12 seconds.
• To count from 1 to 221,213,389,992 would take you about fourteen thousand and sixty-seven 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 221213389992 cubic inches would be around 504 feet tall.

Recreational maths with 221213389992

• 221213389992 backwards is 299983312122
• The number of decimal digits it has is: 12
• The sum of 221213389992's digits is 51
• More coming soon!