40428242139851808

Names of 40428242139851808

• Cardinal: 40428242139851808 can be written as Forty quadrillion, four hundred twenty-eight trillion, two hundred forty-two billion, one hundred thirty-nine million, eight hundred fifty-one thousand, eight hundred eight.

Scientific notation

• Scientific notation: 4.0428242139851808 × 10¹⁶

Factors of 40428242139851808

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 38284320208209

Divisors of 40428242139851808

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 132 176 264 352 528 1056 38284320208193 76568640416386 114852960624579 153137280832772 229705921249158 306274561665544 421127522290123 459411842498316 612549123331088 842255044580246 918823684996632 1225098246662176 1263382566870369 1684510089160492 1837647369993264 2526765133740738 3369020178320984 3675294739986528 5053530267481476 6738040356641968 10107060534962952 13476080713283936 20214121069925904 40428242139851808
• Sum of all divisors σ(n): 115771784309578656
• Sum of proper divisors (its aliquot sum) s(n): 75343542169726848
• 40428242139851808 is an abundant number, because the sum of its proper divisors (75343542169726848) is greater than itself. Its abundance is 34915300029875040

Bases of 40428242139851808

• Binary: 10001111101000010100010110100011101000111010110000100000₂
• Hexadecimal: 0x8FA145A3A3AC20
• Base-36: B22M61JSDUO

Squares and roots of 40428242139851808

• 40428242139851808 squared (40428242139851808²) is 1634442762518489495481600200868864
• 40428242139851808 cubed (40428242139851808³) is 66077647766825798208513428840084662881761801306112
• The square root of 40428242139851808 is 201067755.0972602075
• The cube root of 40428242139851808 is 343211.3325054587

Scales and comparisons

• 40,428,242,139,851,808 seconds is equal to 1,285,493,047 years, 14 weeks, 5 days, 5 hours, 56 minutes, 48 seconds.
• To count from 1 to 40,428,242,139,851,808 would take you about three billion, eight hundred fifty-six million, four hundred seventy-nine thousand, one hundred forty-one 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 40428242139851808 cubic inches would be around 28600.9 feet tall.

Recreational maths with 40428242139851808

• 40428242139851808 backwards is 80815893124282404
• The number of decimal digits it has is: 17
• The sum of 40428242139851808's digits is 69
• More coming soon!