7990329896991

Names of 7990329896991

• Cardinal: 7990329896991 can be written as Seven trillion, nine hundred ninety billion, three hundred twenty-nine million, eight hundred ninety-six thousand, nine hundred ninety-one.

Scientific notation

• Scientific notation: 7.990329896991 × 10¹²

Factors of 7990329896991

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2682

Divisors of 7990329896991

• Number of divisors d(n): 108
• Complete list of divisors:
  1 3 9 13 19 27 39 57 81 117 171 243 247 351 361 513 741 1053 1083 1539 2223 2647 3159 3249 4617 4693 6669 7941 9747 14079 20007 23823 29241 34411 42237 50293 60021 71469 87723 103233 126711 150879 214407 309699 380133 452637 643221 653809 929097 955567 1140399 1357911 1961427 2787291 2866701 4073733 5884281 7006609 8361873 8600103 12221199 12422371 17652843 21019827 25800309 37267113 52958529 63059481 77400927 91085917 111801339 133125571 158875587 189178443 232202781 273257751 335404017 399376713 567535329 819773253 1006212051 1198130139 1702605987 1730632423 2459319759 2529385849 3018636153 3594390417 5191897269 7377959277 7588157547 10783171251 15575691807 22133877831 22764472641 32349513753 32882016037 46727075421 68293417923 98646048111 140181226263 204880253769 295938144333 420543678789 614640761307 887814432999 2663443298997 7990329896991
• Sum of all divisors σ(n): 13609005169032
• Sum of proper divisors (its aliquot sum) s(n): 5618675272041
• 7990329896991 is a deficient number, because the sum of its proper divisors (5618675272041) is less than itself. Its deficiency is 2371654624950

Bases of 7990329896991

• Binary: 1110100010001100100110001100111000000011111₂
• Hexadecimal: 0x74464C6701F
• Base-36: 2TYPG46XR

Squares and roots of 7990329896991

• 7990329896991 squared (7990329896991²) is 63845371862748204670854081
• 7990329896991 cubed (7990329896991³) is 510145583579424952017835674096721970271
• The square root of 7990329896991 is 2826717.1590010557
• The cube root of 7990329896991 is 19991.9383317377

Scales and comparisons

• 7,990,329,896,991 seconds is equal to 254,067 years, 40 weeks, 2 days, 2 hours, 29 minutes, 51 seconds.
• To count from 1 to 7,990,329,896,991 would take you about six hundred thirty-five thousand, one hundred sixty-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 7990329896991 cubic inches would be around 1666 feet tall.

Recreational maths with 7990329896991

• 7990329896991 backwards is 1996989230997
• 7990329896991 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 7990329896991's digits is 81
• More coming soon!