28429440140122642

Names of 28429440140122642

• Cardinal: 28429440140122642 can be written as Twenty-eight quadrillion, four hundred twenty-nine trillion, four hundred forty billion, one hundred forty million, one hundred twenty-two thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 2.8429440140122642 × 10¹⁶

Factors of 28429440140122642

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 79446857

Divisors of 28429440140122642

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 839 1678 213833 427666 79232183 158464366 179405887 358811774 66475801537 132951603074 16942455387439 33884910774878 14214720070061321 28429440140122642
• Sum of all divisors σ(n): 42695187780309120
• Sum of proper divisors (its aliquot sum) s(n): 14265747640186478
• 28429440140122642 is a deficient number, because the sum of its proper divisors (14265747640186478) is less than itself. Its deficiency is 14163692499936164

Bases of 28429440140122642

• Binary: 1100101000000000110110011011000101101110001101000010010₂
• Hexadecimal: 0x65006CD8B71A12
• Base-36: 7RXE8I11BMA

Squares and roots of 28429440140122642

• 28429440140122642 squared (28429440140122642²) is 808233066680816506395314801060164
• 28429440140122642 cubed (28429440140122642³) is 22977613588470024674653398011173275174414580633288
• The square root of 28429440140122642 is 168610320.3843781385
• The cube root of 28429440140122642 is 305203.4480295423

Scales and comparisons

• 28,429,440,140,122,642 seconds is equal to 903,968,258 years, 22 weeks, 5 hours, 37 minutes, 22 seconds.
• To count from 1 to 28,429,440,140,122,642 would take you about two billion, seven hundred eleven million, nine hundred four thousand, seven hundred seventy-five 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 28429440140122642 cubic inches would be around 25433.6 feet tall.

Recreational maths with 28429440140122642

• 28429440140122642 backwards is 24622104104492482
• The number of decimal digits it has is: 17
• The sum of 28429440140122642's digits is 55
• More coming soon!