990612610085

Names of 990612610085

• Cardinal: 990612610085 can be written as Nine hundred ninety billion, six hundred twelve million, six hundred ten thousand and eighty-five.

Scientific notation

• Scientific notation: 9.90612610085 × 10¹¹

Factors of 990612610085

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1311

Divisors of 990612610085

• Number of divisors d(n): 128
• Complete list of divisors:
  1 5 7 17 35 61 85 89 119 305 427 445 449 595 623 683 1037 1513 2135 2245 3115 3143 3415 4781 5185 5429 7259 7565 7633 10591 11611 15715 23905 27145 27389 36295 38003 38165 39961 41663 52955 53431 58055 60787 81277 92293 136945 190015 191723 199805 208315 267155 279727 291641 303935 306667 406385 425509 461465 465613 646051 679337 708271 958615 1033379 1398635 1458205 1533335 2127545 2146669 2328065 2437621 3230255 3259291 3396685 3541355 3708007 4755359 4957897 5166895 5213339 7233653 10733345 12188105 16296455 17063347 18540035 18706687 23776795 24789485 25956049 26066695 27293363 36168265 36493373 41439557 63036119 85316735 93533435 129780245 130946809 136466815 182466865 191053541 207197785 290076899 315180595 318013679 441252833 463987171 654734045 955267705 1450384495 1590068395 1664895143 2206264165 2226095753 2319935855 3247910197 8324475715 11130478765 11654266001 16239550985 28303217431 58271330005 141516087155 198122522017 990612610085
• Sum of all divisors σ(n): 1483940736000
• Sum of proper divisors (its aliquot sum) s(n): 493328125915
• 990612610085 is a deficient number, because the sum of its proper divisors (493328125915) is less than itself. Its deficiency is 497284484170

Bases of 990612610085

• Binary: 1110011010100101000111001101110000100101₂
• Hexadecimal: 0xE6A51CDC25
• Base-36: CN2X65UT

Squares and roots of 990612610085

• 990612610085 squared (990612610085²) is 981313343259416243707225
• 990612610085 cubed (990612610085³) is 972101372277447866432260613822364125
• The square root of 990612610085 is 995295.2376481061
• The cube root of 990612610085 is 9968.6102718761

Scales and comparisons

• 990,612,610,085 seconds is equal to 31,498 years, 21 weeks, 4 days, 17 hours, 28 minutes, 5 seconds.
• To count from 1 to 990,612,610,085 would take you about sixty-two thousand, nine hundred ninety-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 990612610085 cubic inches would be around 830.7 feet tall.

Recreational maths with 990612610085

• 990612610085 backwards is 580016216099
• The number of decimal digits it has is: 12
• The sum of 990612610085's digits is 47
• More coming soon!