642422985875

Names of 642422985875

• Cardinal: 642422985875 can be written as Six hundred forty-two billion, four hundred twenty-two million, nine hundred eighty-five thousand, eight hundred seventy-five.

Scientific notation

• Scientific notation: 6.42422985875 × 10¹¹

Factors of 642422985875

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 257

Divisors of 642422985875

• Number of divisors d(n): 144
• Complete list of divisors:
  1 5 11 25 31 55 73 121 125 137 155 275 341 365 605 685 775 803 1375 1507 1705 1825 2263 3025 3425 3751 3875 4015 4247 7535 8525 8833 9125 10001 11315 15125 16577 17125 18755 18769 20075 21235 24893 37675 42625 44165 46717 50005 56575 82885 93775 93845 100375 106175 110011 124465 188375 206459 220825 233585 250025 273823 282875 310031 414425 468875 469225 513887 530875 550055 581839 622325 1032295 1104125 1167925 1210121 1250125 1369115 1370137 1550155 2072125 2271049 2346125 2569435 2750275 2909195 3111625 3410341 5161475 5839625 6050605 6400229 6845575 6850685 7750775 11355245 12847175 13751375 14545975 15071507 17051705 25807375 30253025 32001145 34227875 34253425 37513751 38753875 42474247 56776225 64235875 70402519 72729875 75357535 85258525 151265125 160005725 165786577 171267125 187568755 212371235 283881125 352012595 376787675 426292625 467216717 800028625 828932885 937843775 1061856175 1760062975 1883938375 2336083585 4144664425 4689218875 5139383887 5309280875 8800314875 11680417925 20723322125 25696919435 58402089625 128484597175 642422985875
• Sum of all divisors σ(n): 928924808448
• Sum of proper divisors (its aliquot sum) s(n): 286501822573
• 642422985875 is a deficient number, because the sum of its proper divisors (286501822573) is less than itself. Its deficiency is 355921163302

Bases of 642422985875

• Binary: 1001010110010011011001001101010010010011₂
• Hexadecimal: 0x959364D493
• Base-36: 874I24CZ

Squares and roots of 642422985875

• 642422985875 squared (642422985875²) is 412707292780550449515625
• 642422985875 cubed (642422985875³) is 265132651320469050903901259966796875
• The square root of 642422985875 is 801512.9355631137
• The cube root of 642422985875 is 8628.6004079249

Scales and comparisons

• 642,422,985,875 seconds is equal to 20,427 years, 3 weeks, 2 days, 5 hours, 24 minutes, 35 seconds.
• To count from 1 to 642,422,985,875 would take you about forty thousand, eight hundred fifty-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 642422985875 cubic inches would be around 719.1 feet tall.

Recreational maths with 642422985875

• 642422985875 backwards is 578589224246
• The number of decimal digits it has is: 12
• The sum of 642422985875's digits is 62
• More coming soon!