138751242015979935

Names of 138751242015979935

• Cardinal: 138751242015979935 can be written as One hundred thirty-eight quadrillion, seven hundred fifty-one trillion, two hundred forty-two billion, fifteen million, nine hundred seventy-nine thousand, nine hundred thirty-five.

Scientific notation

• Scientific notation: 1.38751242015979935 × 10¹⁷

Factors of 138751242015979935

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 8534445

Divisors of 138751242015979935

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 5 9 15 45 1901 5703 9505 17109 28515 85545 194527 583581 972635 1750743 2917905 8338009 8753715 25014027 41690045 75042081 125070135 369795827 375210405 1109387481 1848979135 3328162443 5546937405 15850555109 16640812215 47551665327 79252775545 142654995981 237758326635 713274979905 1621967876743 4865903630229 8109839383715 14597710890687 24329518151145 72988554453435 3083360933688443 9250082801065329 15416804668442215 27750248403195987 46250414005326645 138751242015979935
• Sum of all divisors σ(n): 240629932175143680
• Sum of proper divisors (its aliquot sum) s(n): 101878690159163745
• 138751242015979935 is a deficient number, because the sum of its proper divisors (101878690159163745) is less than itself. Its deficiency is 36872551856816190

Bases of 138751242015979935

• Binary: 111101100111100011000010011111100100000011011100110011111₂
• Hexadecimal: 0x1ECF184FC81B99F
• Base-36: 11Y77KMDEOPR

Squares and roots of 138751242015979935

• 138751242015979935 squared (138751242015979935²) is 19251907160977035656913898322604225
• 138751242015979935 cubed (138751242015979935³) is 2671226029761901855933536845613219288989274546225375
• The square root of 138751242015979935 is 372493277.8131438105
• The cube root of 138751242015979935 is 517700.9474425513

Scales and comparisons

• 138,751,242,015,979,935 seconds is equal to 4,411,860,310 years, 17 weeks, 3 days, 17 hours, 32 minutes, 15 seconds.
• To count from 1 to 138,751,242,015,979,935 would take you about thirteen billion, two hundred thirty-five million, five hundred eighty thousand, nine hundred thirty-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 138751242015979935 cubic inches would be around 43141.7 feet tall.

Recreational maths with 138751242015979935

• 138751242015979935 backwards is 539979510242157831
• The number of decimal digits it has is: 18
• The sum of 138751242015979935's digits is 81
• More coming soon!