421397207712

Names of 421397207712

• Cardinal: 421397207712 can be written as Four hundred twenty-one billion, three hundred ninety-seven million, two hundred seven thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 4.21397207712 × 10¹¹

Factors of 421397207712

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 71664

Divisors of 421397207712

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 72 78 96 104 117 144 156 208 234 288 312 416 468 624 936 1248 1607 1872 3214 3744 4821 6428 9642 12856 14463 19284 20891 25712 28926 38568 41782 51424 57852 62673 70039 77136 83564 115704 125346 140078 154272 167128 188019 210117 231408 250692 280156 334256 376038 420234 462816 501384 560312 630351 668512 752076 840468 910507 1002768 1120624 1260702 1504152 1680936 1821014 2005536 2241248 2521404 2731521 3008304 3361872 3642028 5042808 5463042 6016608 6723744 7284056 8194563 10085616 10926084 14568112 16389126 20171232 21852168 29136224 32778252 43704336 65556504 87408672 112552673 131113008 225105346 262226016 337658019 450210692 675316038 900421384 1012974057 1350632076 1463184749 1800842768 2025948114 2701264152 2926369498 3601685536 4051896228 4389554247 5402528304 5852738996 8103792456 8779108494 10805056608 11705477992 13168662741 16207584912 17558216988 23410955984 26337325482 32415169824 35116433976 46821911968 52674650964 70232867952 105349301928 140465735904 210698603856 421397207712
• Sum of all divisors σ(n): 1291350453120
• Sum of proper divisors (its aliquot sum) s(n): 869953245408
• 421397207712 is an abundant number, because the sum of its proper divisors (869953245408) is greater than itself. Its abundance is 448556037696

Bases of 421397207712

• Binary: 110001000011101001110110001101010100000₂
• Hexadecimal: 0x621D3B1AA0
• Base-36: 5DL50MG0

Squares and roots of 421397207712

• 421397207712 squared (421397207712²) is 177575606667470472274944
• 421397207712 cubed (421397207712³) is 74829864807436466718871313941168128
• The square root of 421397207712 is 649151.1439657177
• The cube root of 421397207712 is 7497.1675687391

Scales and comparisons

• 421,397,207,712 seconds is equal to 13,399 years, 6 weeks, 4 days, 11 hours, 55 minutes, 12 seconds.
• To count from 1 to 421,397,207,712 would take you about twenty-six thousand, seven hundred ninety-eight 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 421397207712 cubic inches would be around 624.8 feet tall.

Recreational maths with 421397207712

• 421397207712 backwards is 217702793124
• The number of decimal digits it has is: 12
• The sum of 421397207712's digits is 45
• More coming soon!