990660625625

Names of 990660625625

• Cardinal: 990660625625 can be written as Nine hundred ninety billion, six hundred sixty million, six hundred twenty-five thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 9.90660625625 × 10¹¹

Factors of 990660625625

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 710

Divisors of 990660625625

• Number of divisors d(n): 160
• Complete list of divisors:
  1 5 11 25 31 55 61 125 155 181 275 305 341 421 625 671 775 905 1375 1525 1705 1891 1991 2105 3355 3875 4525 4631 5611 6875 7625 8525 9455 9955 10525 11041 13051 16775 19375 20801 22625 23155 25681 28055 38125 42625 47275 49775 52625 55205 61721 65255 76201 83875 104005 113125 115775 121451 128405 140275 143561 213125 236375 248875 263125 276025 282491 308605 326275 342271 381005 419375 520025 578875 607255 642025 701375 717805 796111 838211 1181875 1244375 1380125 1412455 1543025 1631375 1711355 1905025 2362231 2600125 2894375 3036275 3210125 3506875 3589025 3764981 3980555 4191055 4648261 6900625 7062275 7715125 8156875 8556775 8757221 9525125 11811155 13000625 15181375 16050625 17945125 18824905 19902775 20955275 23241305 25984541 35311375 38575625 42783875 43786105 47625625 51130871 59055775 75906875 89725625 94124525 99513875 104776375 116206525 129922705 144096091 176556875 213919375 218930525 255654355 295278875 470622625 497569375 523881875 581032625 649613525 720480455 1094652625 1278271775 1476394375 1585057001 2353113125 2905163125 3248067625 3602402275 5473263125 6391358875 7925285005 16240338125 18012011375 31956794375 39626425025 90060056875 198132125125 990660625625
• Sum of all divisors σ(n): 1428097262592
• Sum of proper divisors (its aliquot sum) s(n): 437436636967
• 990660625625 is a deficient number, because the sum of its proper divisors (437436636967) is less than itself. Its deficiency is 553223988658

Bases of 990660625625

• Binary: 1110011010100111111110011000010011011001₂
• Hexadecimal: 0xE6A7F984D9
• Base-36: CN3PRAVT

Squares and roots of 990660625625

• 990660625625 squared (990660625625²) is 981408475163716406640625
• 990660625625 cubed (990660625625³) is 972242733999364569702678467041015625
• The square root of 990660625625 is 995319.3586105919
• The cube root of 990660625625 is 9968.7713306213

Scales and comparisons

• 990,660,625,625 seconds is equal to 31,499 years, 49 weeks, 11 hours, 7 minutes, 5 seconds.
• To count from 1 to 990,660,625,625 would take you about sixty-two thousand, nine hundred ninety-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 990660625625 cubic inches would be around 830.7 feet tall.

Recreational maths with 990660625625

• 990660625625 backwards is 526526066099
• The number of decimal digits it has is: 12
• The sum of 990660625625's digits is 56
• More coming soon!