138737046334138387757

Names of 138737046334138387757

• Cardinal: 138737046334138387757 can be written as One hundred thirty-eight quintillion, seven hundred thirty-seven quadrillion, forty-six trillion, three hundred thirty-four billion, one hundred thirty-eight million, three hundred eighty-seven thousand, seven hundred fifty-seven.

Scientific notation

• Scientific notation: 1.38737046334138387757 × 10²⁰

Factors of 138737046334138387757

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 288553469

Divisors of 138737046334138387757

• Number of divisors d(n): 32
• Complete list of divisors:
  1 17 101 691 1717 11747 69791 405817 1186447 6898889 40987517 280419547 288146843 696787789 4767132299 4898496331 28322374247 29102831143 199109468513 481480362199 494748129431 3384860964721 20110056319813 116934887385731 341870957436821 1987893085557427 11810423625958831 80802007183540121 200777201641300127 1373634122120182057 8161002725537552221 138737046334138387757
• Sum of all divisors σ(n): 148567544251838296704
• Sum of proper divisors (its aliquot sum) s(n): 9830497917699908947
• 138737046334138387757 is a deficient number, because the sum of its proper divisors (9830497917699908947) is less than itself. Its deficiency is 128906548416438478810

Bases of 138737046334138387757

• Binary: 1111000010101011101000000001001010010011101001110101000110100101101₂
• Hexadecimal: 0x7855D00949D3A8D2D
• Base-36: TA24IEN8X58VH

Squares and roots of 138737046334138387757

• 138737046334138387757 squared (138737046334138387757²) is 19247968025520861856865953816847287491049
• 138737046334138387757 cubed (138737046334138387757³) is 2670406231794701989041484661544124808846262808191786428687093
• The square root of 138737046334138387757 is 11778669124.0622931319
• The cube root of 138737046334138387757 is 5176832.9145985743

Scales and comparisons

• 138,737,046,334,138,387,757 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,737,046,334,138,387,757 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 138737046334138387757 cubic inches would be around 431402.7 feet tall.

Recreational maths with 138737046334138387757

• 138737046334138387757 backwards is 757783831433640737831
• The number of decimal digits it has is: 21
• The sum of 138737046334138387757's digits is 98
• More coming soon!