421028497840

Names of 421028497840

• Cardinal: 421028497840 can be written as Four hundred twenty-one billion, twenty-eight million, four hundred ninety-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 4.2102849784 × 10¹¹

Factors of 421028497840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 146191

Divisors of 421028497840

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 80 64171 82013 128342 164026 256684 320855 328052 410065 513368 641710 656104 820130 1026736 1283420 1312208 1640260 2566840 3280520 5133680 6561040 5262856223 10525712446 21051424892 26314281115 42102849784 52628562230 84205699568 105257124460 210514248920 421028497840
• Sum of all divisors σ(n): 978918447888
• Sum of proper divisors (its aliquot sum) s(n): 557889950048
• 421028497840 is an abundant number, because the sum of its proper divisors (557889950048) is greater than itself. Its abundance is 136861452208

Bases of 421028497840

• Binary: 110001000000111010000010000100110110000₂
• Hexadecimal: 0x62074109B0
• Base-36: 5DF1HW34

Squares and roots of 421028497840

• 421028497840 squared (421028497840²) is 177264995993406884665600
• 421028497840 cubed (421028497840³) is 74633614982717719194671698722304000
• The square root of 421028497840 is 648867.0879617797
• The cube root of 421028497840 is 7494.9803320443

Scales and comparisons

• 421,028,497,840 seconds is equal to 13,387 years, 21 weeks, 30 minutes, 40 seconds.
• To count from 1 to 421,028,497,840 would take you about twenty-six thousand, seven hundred seventy-four 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 421028497840 cubic inches would be around 624.6 feet tall.

Recreational maths with 421028497840

• 421028497840 backwards is 048794820124
• The number of decimal digits it has is: 12
• The sum of 421028497840's digits is 49
• More coming soon!