421205246420

Names of 421205246420

• Cardinal: 421205246420 can be written as Four hundred twenty-one billion, two hundred five million, two hundred forty-six thousand, four hundred twenty.

Scientific notation

• Scientific notation: 4.2120524642 × 10¹¹

Factors of 421205246420

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6948

Divisors of 421205246420

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 10 14 19 20 28 35 38 70 76 79 95 133 140 158 190 266 307 316 380 395 532 553 614 665 790 1106 1228 1330 1501 1535 1580 2149 2212 2660 2765 3002 3070 4298 5530 5833 6004 6140 6529 7505 8596 10507 10745 11060 11666 13058 15010 21014 21490 23332 24253 26116 29165 30020 32645 40831 42028 42980 45703 48506 52535 58330 65290 81662 91406 97012 105070 116660 121265 124051 130580 163324 169771 182812 204155 210140 228515 242530 248102 339542 408310 457030 460807 485060 496204 515791 620255 679084 816620 848855 868357 914060 921614 1031582 1240510 1697710 1736714 1843228 2004403 2063164 2304035 2481020 2578955 3225649 3395420 3473428 3610537 4008806 4341785 4608070 5157910 6451298 7221074 8017612 8683570 9216140 9800029 10022015 10315820 12902596 14030821 14442148 16128245 17367140 18052685 19600058 20044030 28061642 32256490 36105370 38083657 39200116 40088060 49000145 56123284 64512980 68600203 70154105 72210740 76167314 98000290 137200406 140308210 152334628 158347837 190418285 196000580 266585599 274400812 280616420 316695674 343001015 380836570 533171198 633391348 686002030 761673140 791739185 1066342396 1108434859 1332927995 1372004060 1583478370 2216869718 2665855990 3008608903 3166956740 4433739436 5331711980 5542174295 6017217806 11084348590 12034435612 15043044515 21060262321 22168697180 30086089030 42120524642 60172178060 84241049284 105301311605 210602623210 421205246420
• Sum of all divisors σ(n): 1081242624000
• Sum of proper divisors (its aliquot sum) s(n): 660037377580
• 421205246420 is an abundant number, because the sum of its proper divisors (660037377580) is greater than itself. Its abundance is 238832131160

Bases of 421205246420

• Binary: 110001000010001110010100000000111010100₂
• Hexadecimal: 0x6211CA01D4
• Base-36: 5DHYQ85W

Squares and roots of 421205246420

• 421205246420 squared (421205246420²) is 177413859611732922816400
• 421205246420 cubed (421205246420³) is 74727648456083251278108602417288000
• The square root of 421205246420 is 649003.2715017699
• The cube root of 421205246420 is 7496.0289877423

Scales and comparisons

• 421,205,246,420 seconds is equal to 13,393 years, 1 week, 1 day, 17 hours, 20 minutes, 20 seconds.
• To count from 1 to 421,205,246,420 would take you about twenty-six thousand, seven hundred eighty-six 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 421205246420 cubic inches would be around 624.7 feet tall.

Recreational maths with 421205246420

• 421205246420 backwards is 024642502124
• The number of decimal digits it has is: 12
• The sum of 421205246420's digits is 32
• More coming soon!