1242403085

Names of 1242403085

• Cardinal: 1242403085 can be written as One billion, two hundred forty-two million, four hundred three thousand and eighty-five.

Scientific notation

• Scientific notation: 1.242403085 × 10⁹

Factors of 1242403085

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 288

Divisors of 1242403085

• Number of divisors d(n): 96
• Complete list of divisors:
  1 5 7 11 35 43 49 55 71 77 151 215 245 301 355 385 473 497 539 755 781 1057 1505 1661 2107 2365 2485 2695 3053 3311 3479 3905 5285 5467 6493 7399 8305 10535 10721 11627 15265 16555 17395 21371 23177 27335 32465 33583 36995 38269 45451 53605 58135 71423 75047 81389 106855 115885 117931 149597 167915 191345 227255 235081 318157 357115 375235 406945 461003 499961 525329 589655 747985 825517 1175405 1590785 1645567 2305015 2499805 2626645 3227021 3499727 4127585 5071033 5778619 8227835 16135105 17498635 22589147 25355165 28893095 35497231 112945735 177486155 248480617 1242403085
• Sum of all divisors σ(n): 1976223744
• Sum of proper divisors (its aliquot sum) s(n): 733820659
• 1242403085 is a deficient number, because the sum of its proper divisors (733820659) is less than itself. Its deficiency is 508582426

Bases of 1242403085

• Binary: 1001010000011011001000100001101₂
• Hexadecimal: 0x4A0D910D
• Base-36: KJP0CT

Squares and roots of 1242403085

• 1242403085 squared (1242403085²) is 1543565425617517225
• 1242403085 cubed (1242403085³) is 1917730446686541430380639125
• The square root of 1242403085 is 35247.7387217961
• The cube root of 1242403085 is 1075.0306347859

Scales and comparisons

• 1,242,403,085 seconds is equal to 39 years, 26 weeks, 1 day, 15 hours, 58 minutes, 5 seconds.
• To count from 1 to 1,242,403,085 would take you about seventy-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 1242403085 cubic inches would be around 89.6 feet tall.

Recreational maths with 1242403085

• 1242403085 backwards is 5803042421
• The number of decimal digits it has is: 10
• The sum of 1242403085's digits is 29
• More coming soon!