7991428616375

Names of 7991428616375

• Cardinal: 7991428616375 can be written as Seven trillion, nine hundred ninety-one billion, four hundred twenty-eight million, six hundred sixteen thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 7.991428616375 × 10¹²

Factors of 7991428616375

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 138

Divisors of 7991428616375

• Number of divisors d(n): 144
• Complete list of divisors:
  1 5 19 25 43 71 95 125 215 355 361 475 817 1075 1349 1775 1805 1849 2375 3053 4085 5041 5375 6745 6859 8875 9025 9245 15265 15523 20425 25205 25631 33725 34295 35131 45125 46225 58007 76325 77615 95779 102125 126025 128155 131279 168625 171475 175655 216763 231125 290035 294937 381625 388075 478895 486989 630125 640775 656395 667489 857375 878275 1083815 1102133 1450175 1474685 1819801 1940375 2394475 2434945 2494301 3203875 3281975 3337445 4118497 4391375 5419075 5510665 7250875 7373425 9099005 9320809 11972375 12174725 12471505 12682291 16409875 16687225 20592485 20940527 27095375 27553325 34576219 36867125 45495025 46604045 47391719 60873625 62357525 63411455 78251443 83436125 102962425 104702635 137766625 172881095 177095371 227475125 233020225 236958595 311787625 317057275 391257215 514812125 523513175 864405475 885476855 900442661 1165101125 1184792975 1486777417 1585286375 1956286075 2617565875 3364812049 4322027375 4427384275 4502213305 5923964875 7433887085 9781430375 16824060245 22136921375 22511066525 37169435425 63931428931 84120301225 112555332625 185847177125 319657144655 420601506125 1598285723275 7991428616375
• Sum of all divisors σ(n): 10931746980960
• Sum of proper divisors (its aliquot sum) s(n): 2940318364585
• 7991428616375 is a deficient number, because the sum of its proper divisors (2940318364585) is less than itself. Its deficiency is 5051110251790

Bases of 7991428616375

• Binary: 1110100010010100110010000111001000010110111₂
• Hexadecimal: 0x744A64390B7
• Base-36: 2TZ7M9K8N

Squares and roots of 7991428616375

• 7991428616375 squared (7991428616375²) is 63862931330617246918140625
• 7991428616375 cubed (7991428616375³) is 510356056961086223213748267731427734375
• The square root of 7991428616375 is 2826911.4977966679
• The cube root of 7991428616375 is 19992.8546277995

Scales and comparisons

• 7,991,428,616,375 seconds is equal to 254,102 years, 36 weeks, 6 days, 18 hours, 19 minutes, 35 seconds.
• To count from 1 to 7,991,428,616,375 would take you about six hundred thirty-five thousand, two hundred fifty-six 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 7991428616375 cubic inches would be around 1666.1 feet tall.

Recreational maths with 7991428616375

• 7991428616375 backwards is 5736168241997
• The number of decimal digits it has is: 13
• The sum of 7991428616375's digits is 68
• More coming soon!