27731875936997921

Names of 27731875936997921

• Cardinal: 27731875936997921 can be written as Twenty-seven quadrillion, seven hundred thirty-one trillion, eight hundred seventy-five billion, nine hundred thirty-six million, nine hundred ninety-seven thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 2.7731875936997921 × 10¹⁶

Factors of 27731875936997921

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 69199112

Divisors of 27731875936997921

• Number of divisors d(n): 24
• Complete list of divisors:
  1 13 169 313 4069 7577 52897 98501 1280513 2371601 30830813 69191209 400800569 899485717 11693314321 21656848417 281539029421 524261790593 3660007382473 6815403277709 88600242610217 164093940455609 2133221225922917 27731875936997921
• Sum of all divisors σ(n): 30129107311753560
• Sum of proper divisors (its aliquot sum) s(n): 2397231374755639
• 27731875936997921 is a deficient number, because the sum of its proper divisors (2397231374755639) is less than itself. Its deficiency is 25334644562242282

Bases of 27731875936997921

• Binary: 1100010100001011111111010000110001011100001001000100001₂
• Hexadecimal: 0x6285FE862E1221
• Base-36: 7L24NXH2J35

Squares and roots of 27731875936997921

• 27731875936997921 squared (27731875936997921²) is 769056942985044318828853958322241
• 27731875936997921 cubed (27731875936997921³) is 21327391731348132626823985200944910892435465060961
• The square root of 27731875936997921 is 166528904.2088427395
• The cube root of 27731875936997921 is 302686.5218067433

Scales and comparisons

• 27,731,875,936,997,921 seconds is equal to 881,787,874 years, 24 weeks, 3 days, 20 hours, 18 minutes, 41 seconds.
• To count from 1 to 27,731,875,936,997,921 would take you about two billion, six hundred forty-five million, three hundred sixty-three thousand, six hundred twenty-three 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 27731875936997921 cubic inches would be around 25223.9 feet tall.

Recreational maths with 27731875936997921

• 27731875936997921 backwards is 12979963957813772
• The number of decimal digits it has is: 17
• The sum of 27731875936997921's digits is 95
• More coming soon!