642481595872

Names of 642481595872

• Cardinal: 642481595872 can be written as Six hundred forty-two billion, four hundred eighty-one million, five hundred ninety-five thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 6.42481595872 × 10¹¹

Factors of 642481595872

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5071515

Divisors of 642481595872

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 16 32 37 74 107 148 214 296 428 592 856 1184 1712 3424 3959 7918 15836 31672 63344 126688 5071369 10142738 20285476 40570952 81141904 162283808 187640653 375281306 542636483 750562612 1085272966 1501125224 2170545932 3002250448 4341091864 6004500896 8682183728 17364367456 20077549871 40155099742 80310199484 160620398968 321240797936 642481595872
• Sum of all divisors σ(n): 1311212856240
• Sum of proper divisors (its aliquot sum) s(n): 668731260368
• 642481595872 is an abundant number, because the sum of its proper divisors (668731260368) is greater than itself. Its abundance is 26249664496

Bases of 642481595872

• Binary: 1001010110010110111000110010010111100000₂
• Hexadecimal: 0x9596E325E0
• Base-36: 875GYC4G

Squares and roots of 642481595872

• 642481595872 squared (642481595872²) is 412782601034231927440384
• 642481595872 cubed (642481595872³) is 265205224260668406443672420460494848
• The square root of 642481595872 is 801549.4968322293
• The cube root of 642481595872 is 8628.8628035097

Scales and comparisons

• 642,481,595,872 seconds is equal to 20,428 years, 48 weeks, 1 day, 13 hours, 57 minutes, 52 seconds.
• To count from 1 to 642,481,595,872 would take you about forty thousand, eight hundred fifty-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 642481595872 cubic inches would be around 719.1 feet tall.

Recreational maths with 642481595872

• 642481595872 backwards is 278595184246
• The number of decimal digits it has is: 12
• The sum of 642481595872's digits is 61
• More coming soon!