7997291021875

Names of 7997291021875

• Cardinal: 7997291021875 can be written as Seven trillion, nine hundred ninety-seven billion, two hundred ninety-one million, twenty-one thousand, eight hundred seventy-five.

Scientific notation

• Scientific notation: 7.997291021875 × 10¹²

Factors of 7997291021875

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 209

Divisors of 7997291021875

• Number of divisors d(n): 72
• Complete list of divisors:
  1 5 25 47 125 157 235 625 785 1175 2209 3125 3925 5875 7379 11045 19625 24649 29375 36895 55225 98125 103823 123245 146875 184475 276125 346813 490625 519115 616225 922375 1158503 1380625 1734065 2595575 3081125 4611875 5792515 6903125 8670325 12977875 15405625 16300211 23059375 28962575 43351625 54449641 64889375 77028125 81501055 144812875 216758125 272248205 324446875 407505275 724064375 1083790625 1361241025 2037526375 2559133127 3620321875 6806205125 10187631875 12795665635 34031025625 50938159375 63978328175 170155128125 319891640875 1599458204375 7997291021875
• Sum of all divisors σ(n): 10278742743360
• Sum of proper divisors (its aliquot sum) s(n): 2281451721485
• 7997291021875 is a deficient number, because the sum of its proper divisors (2281451721485) is less than itself. Its deficiency is 5715839300390

Bases of 7997291021875

• Binary: 1110100011000000011101100001100011000110011₂
• Hexadecimal: 0x74603B0C633
• Base-36: 2U1WKL99V

Squares and roots of 7997291021875

• 7997291021875 squared (7997291021875²) is 63956663688562481728515625
• 7997291021875 cubed (7997291021875³) is 511480052305619556252426738983154296875
• The square root of 7997291021875 is 2827948.1999985431
• The cube root of 7997291021875 is 19997.7422633701

Scales and comparisons

• 7,997,291,021,875 seconds is equal to 254,289 years, 6 weeks, 16 hours, 17 minutes, 55 seconds.
• To count from 1 to 7,997,291,021,875 would take you about six hundred thirty-five thousand, seven hundred twenty-two 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 7997291021875 cubic inches would be around 1666.5 feet tall.

Recreational maths with 7997291021875

• 7997291021875 backwards is 5781201927997
• The number of decimal digits it has is: 13
• The sum of 7997291021875's digits is 67
• More coming soon!