7997169968139

Names of 7997169968139

• Cardinal: 7997169968139 can be written as Seven trillion, nine hundred ninety-seven billion, one hundred sixty-nine million, nine hundred sixty-eight thousand, one hundred thirty-nine.

Scientific notation

• Scientific notation: 7.997169968139 × 10¹²

Factors of 7997169968139

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 13408

Divisors of 7997169968139

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 11 23 33 69 253 307 759 921 3377 3643 7061 9421 10131 10929 21183 28263 40073 77671 83789 103631 120219 216683 233013 251367 310893 650049 921679 1118401 2383513 2765037 2892247 3355203 7150539 8676741 12302411 25723223 31814717 34320703 36907233 66521681 77169669 95444151 102962109 199565043 282955453 377527733 731738491 789376169 848866359 1132583199 2195215473 2368128507 8683137859 10536455821 26049413577 31609367463 115901014031 242338483883 347703042093 727015451649 2665723322713 7997169968139
• Sum of all divisors σ(n): 12182170226688
• Sum of proper divisors (its aliquot sum) s(n): 4185000258549
• 7997169968139 is a deficient number, because the sum of its proper divisors (4185000258549) is less than itself. Its deficiency is 3812169709590

Bases of 7997169968139

• Binary: 1110100010111111100011110011010010000001011₂
• Hexadecimal: 0x745FC79A40B
• Base-36: 2U1UKINM3

Squares and roots of 7997169968139

• 7997169968139 squared (7997169968139²) is 63954727499304334275123321
• 7997169968139 cubed (7997169968139³) is 511456826077950070079652574661865869619
• The square root of 7997169968139 is 2827926.7968140549
• The cube root of 7997169968139 is 19997.6413619681

Scales and comparisons

• 7,997,169,968,139 seconds is equal to 254,285 years, 13 weeks, 6 days, 14 hours, 15 minutes, 39 seconds.
• To count from 1 to 7,997,169,968,139 would take you about six hundred thirty-five thousand, seven hundred thirteen 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 7997169968139 cubic inches would be around 1666.5 feet tall.

Recreational maths with 7997169968139

• 7997169968139 backwards is 9318699617997
• The number of decimal digits it has is: 13
• The sum of 7997169968139's digits is 84
• More coming soon!