8442168705

Names of 8442168705

• Cardinal: 8442168705 can be written as Eight billion, four hundred forty-two million, one hundred sixty-eight thousand, seven hundred five.

Scientific notation

• Scientific notation: 8.442168705 × 10⁹

Factors of 8442168705

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 681

Divisors of 8442168705

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 9 15 27 45 79 81 135 237 243 281 313 395 405 711 843 939 1185 1215 1405 1565 2133 2529 2817 3555 4215 4695 6399 7587 8451 10665 12645 14085 19197 22199 22761 24727 25353 31995 37935 42255 66597 68283 74181 76059 87953 95985 110995 113805 123635 126765 199791 222543 263859 332985 341415 370905 380295 439765 599373 667629 791577 998955 1112715 1319295 1798119 2002887 2374731 2996865 3338145 3957885 5394357 6008661 6948287 7124193 8990595 10014435 11873655 20844861 21372579 26971785 30043305 34741435 35620965 62534583 104224305 106862895 187603749 312672915 562811247 938018745 1688433741 2814056235 8442168705
• Sum of all divisors σ(n): 15471106560
• Sum of proper divisors (its aliquot sum) s(n): 7028937855
• 8442168705 is a deficient number, because the sum of its proper divisors (7028937855) is less than itself. Its deficiency is 1413230850

Bases of 8442168705

• Binary: 111110111001100010100010110000001₂
• Hexadecimal: 0x1F7314581
• Base-36: 3VM8Z29

Squares and roots of 8442168705

• 8442168705 squared (8442168705²) is 71270212443681377025
• 8442168705 cubed (8442168705³) is 601675157090748496111761002625
• The square root of 8442168705 is 91881.2750510135
• The cube root of 8442168705 is 2036.1886340285

Scales and comparisons

• 8,442,168,705 seconds is equal to 268 years, 22 weeks, 4 days, 6 hours, 51 minutes, 45 seconds.
• To count from 1 to 8,442,168,705 would take you about five hundred thirty-six 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 8442168705 cubic inches would be around 169.7 feet tall.

Recreational maths with 8442168705

• 8442168705 backwards is 5078612448
• 8442168705 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 8442168705's digits is 45
• More coming soon!