15920472209105142

Names of 15920472209105142

• Cardinal: 15920472209105142 can be written as Fifteen quadrillion, nine hundred twenty trillion, four hundred seventy-two billion, two hundred nine million, one hundred five thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 1.5920472209105142 × 10¹⁶

Factors of 15920472209105142

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 14039217115625

Divisors of 15920472209105142

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 378 567 1134 14039217115613 28078434231226 42117651346839 84235302693678 98274519809291 126352954040517 196549039618582 252705908081034 294823559427873 379058862121551 589647118855746 758117724243102 884470678283619 1137176586364653 1768941356567238 2274353172729306 2653412034850857 5306824069701714 7960236104552571 15920472209105142
• Sum of all divisors σ(n): 40769886503743056
• Sum of proper divisors (its aliquot sum) s(n): 24849414294637914
• 15920472209105142 is an abundant number, because the sum of its proper divisors (24849414294637914) is greater than itself. Its abundance is 8928942085532772

Bases of 15920472209105142

• Binary: 111000100011111001010111001010101011100010000011110110₂
• Hexadecimal: 0x388F95CAAE20F6
• Base-36: 4CRC3YQW1DI

Squares and roots of 15920472209105142

• 15920472209105142 squared (15920472209105142²) is 253461435360889160259008410840164
• 15920472209105142 cubed (15920472209105142³) is 4035225737742935203669605254766037965334832523288
• The square root of 15920472209105142 is 126176353.6052026743
• The cube root of 15920472209105142 is 251566.0216043085

Scales and comparisons

• 15,920,472,209,105,142 seconds is equal to 506,221,770 years, 51 weeks, 5 days, 10 hours, 5 minutes, 42 seconds.
• To count from 1 to 15,920,472,209,105,142 would take you about one billion, five hundred eighteen million, six hundred sixty-five thousand, three hundred twelve 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 15920472209105142 cubic inches would be around 20963.8 feet tall.

Recreational maths with 15920472209105142

• 15920472209105142 backwards is 24150190227402951
• 15920472209105142 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 15920472209105142's digits is 54
• More coming soon!