842945282628874649

Names of 842945282628874649

• Cardinal: 842945282628874649 can be written as Eight hundred forty-two quadrillion, nine hundred forty-five trillion, two hundred eighty-two billion, six hundred twenty-eight million, eight hundred seventy-four thousand, six hundred forty-nine.

Scientific notation

• Scientific notation: 8.42945282628874649 × 10¹⁷

Factors of 842945282628874649

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 3712564

Divisors of 842945282628874649

• Number of divisors d(n): 16
• Complete list of divisors:
  1 7 37907 265349 1391207 2283443 9738449 15984101 52736483749 86558473801 369155386243 605909316607 3176741885701 22237193199907 120420754661267807 842945282628874649
• Sum of all divisors σ(n): 963392565614588928
• Sum of proper divisors (its aliquot sum) s(n): 120447282985714279
• 842945282628874649 is a deficient number, because the sum of its proper divisors (120447282985714279) is less than itself. Its deficiency is 722497999643160370

Bases of 842945282628874649

• Binary: 101110110010101111100100010010111000001011110111000110011001₂
• Hexadecimal: 0xBB2BE44B82F7199
• Base-36: 6EJZ5WVMZTEH

Squares and roots of 842945282628874649

• 842945282628874649 squared (842945282628874649²) is 710556749506273361083395360154873201
• 842945282628874649 cubed (842945282628874649³) is 598960460036420085567869110632611670936812151918381449
• The square root of 842945282628874649 is 918120516.3968805729
• The cube root of 842945282628874649 is 944640.2828724815

Scales and comparisons

• 842,945,282,628,874,649 seconds is equal to 26,803,052,586 years, 33 weeks, 2 days, 21 hours, 37 minutes, 29 seconds.
• To count from 1 to 842,945,282,628,874,649 would take you about eighty billion, four hundred nine million, one hundred fifty-seven thousand, seven hundred fifty-nine 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 842945282628874649 cubic inches would be around 78720 feet tall.

Recreational maths with 842945282628874649

• 842945282628874649 backwards is 946478826282549248
• The number of decimal digits it has is: 18
• The sum of 842945282628874649's digits is 98
• More coming soon!