642703649344

Names of 642703649344

• Cardinal: 642703649344 can be written as Six hundred forty-two billion, seven hundred three million, six hundred forty-nine thousand, three hundred forty-four.

Scientific notation

• Scientific notation: 6.42703649344 × 10¹¹

Factors of 642703649344

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4382

Divisors of 642703649344

• Number of divisors d(n): 63
• Complete list of divisors:
  1 2 4 8 16 23 32 46 64 92 184 368 529 736 1058 1472 2116 4232 4357 8464 8714 16928 17428 33856 34856 69712 100211 139424 200422 278848 400844 801688 1603376 2304853 3206752 4609706 6413504 9219412 18438824 18983449 36877648 37966898 73755296 75933796 147510592 151867592 303735184 436619327 607470368 873238654 1214940736 1746477308 3492954616 6985909232 10042244521 13971818464 20084489042 27943636928 40168978084 80337956168 160675912336 321351824672 642703649344
• Sum of all divisors σ(n): 1333532673417
• Sum of proper divisors (its aliquot sum) s(n): 690829024073
• 642703649344 is an abundant number, because the sum of its proper divisors (690829024073) is greater than itself. Its abundance is 48125374729

Bases of 642703649344

• Binary: 1001010110100100000111110110101001000000₂
• Hexadecimal: 0x95A41F6A40
• Base-36: 87955POG

Squares and roots of 642703649344

• 642703649344 squared (642703649344²) is 413067980880095311630336
• 642703649344 cubed (642703649344³) is 265480298738794873675361873496899584
• 642703649344 is a perfect square number. Its square root is 801688
• The cube root of 642703649344 is 8629.8567869725

Scales and comparisons

• 642,703,649,344 seconds is equal to 20,435 years, 51 weeks, 2 days, 15 hours, 29 minutes, 4 seconds.
• To count from 1 to 642,703,649,344 would take you about forty thousand, eight hundred seventy-one 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 642703649344 cubic inches would be around 719.2 feet tall.

Recreational maths with 642703649344

• 642703649344 backwards is 443946307246
• The number of decimal digits it has is: 12
• The sum of 642703649344's digits is 52
• More coming soon!