221212149808

Names of 221212149808

• Cardinal: 221212149808 can be written as Two hundred twenty-one billion, two hundred twelve million, one hundred forty-nine thousand, eight hundred eight.

Scientific notation

• Scientific notation: 2.21212149808 × 10¹¹

Factors of 221212149808

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1243

Divisors of 221212149808

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 8 13 16 26 41 52 82 104 164 169 208 328 338 533 656 676 1066 1187 1352 1681 2132 2374 2704 3362 4264 4748 6724 6929 8528 9496 13448 13858 15431 18992 21853 26896 27716 30862 43706 48667 55432 61724 68921 87412 97334 110864 123448 137842 174824 194668 200603 246896 275684 284089 349648 389336 401206 551368 568178 632671 778672 802412 895973 1102736 1136356 1265342 1604824 1791946 1995347 2272712 2530684 3209648 3583892 3990694 4545424 5061368 7167784 7981388 8224723 10122736 11647649 14335568 15962776 16449446 23295298 25939511 31925552 32898892 46590596 51879022 65797784 81809227 93181192 103758044 131595568 163618454 186362384 207516088 327236908 337213643 415032176 654473816 674427286 1063519951 1308947632 1348854572 2127039902 2697709144 4254079804 5395418288 8508159608 13825759363 17016319216 27651518726 55303037452 110606074904 221212149808
• Sum of all divisors σ(n): 476106933456
• Sum of proper divisors (its aliquot sum) s(n): 254894783648
• 221212149808 is an abundant number, because the sum of its proper divisors (254894783648) is greater than itself. Its abundance is 33682633840

Bases of 221212149808

• Binary: 11001110000001010001011000100000110000₂
• Hexadecimal: 0x3381458830
• Base-36: 2TMG0374

Squares and roots of 221212149808

• 221212149808 squared (221212149808²) is 48934815222677034436864
• 221212149808 cubed (221212149808³) is 10824975675865631020648734085722112
• The square root of 221212149808 is 470331.9570346035
• The cube root of 221212149808 is 6047.8775863065

Scales and comparisons

• 221,212,149,808 seconds is equal to 7,033 years, 44 weeks, 5 days, 19 hours, 23 minutes, 28 seconds.
• To count from 1 to 221,212,149,808 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 221212149808 cubic inches would be around 504 feet tall.

Recreational maths with 221212149808

• 221212149808 backwards is 808941212122
• The number of decimal digits it has is: 12
• The sum of 221212149808's digits is 40
• More coming soon!