990988394256

Names of 990988394256

• Cardinal: 990988394256 can be written as Nine hundred ninety billion, nine hundred eighty-eight million, three hundred ninety-four thousand, two hundred fifty-six.

Scientific notation

• Scientific notation: 9.90988394256 × 10¹¹

Factors of 990988394256

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1705

Divisors of 990988394256

• Number of divisors d(n): 225
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 49 56 63 72 84 98 112 126 144 147 168 196 252 294 336 343 392 441 504 588 686 784 882 1008 1029 1176 1372 1693 1764 2058 2352 2401 2744 3087 3386 3528 4116 4802 5079 5488 6174 6772 7056 7203 8232 9604 10158 11851 12348 13544 14406 15237 16464 19208 20316 21609 23702 24696 27088 28812 30474 35553 38416 40632 43218 47404 49392 57624 60948 71106 81264 82957 86436 94808 106659 115248 121896 142212 165914 172872 189616 213318 243792 248871 284424 331828 345744 426636 497742 568848 580699 663656 746613 853272 995484 1161398 1327312 1493226 1706544 1742097 1990968 2322796 2866249 2986452 3484194 3981936 4064893 4645592 5226291 5732498 5972904 6968388 8129786 8598747 9291184 10452582 11464996 11945808 12194679 13936776 16259572 17197494 20063743 20905164 22929992 24389358 25796241 27873552 32519144 34394988 36584037 40127486 41810328 45859984 48778716 51592482 60191229 65038288 68789976 73168074 80254972 83620656 97557432 103184964 120382458 137579952 140446201 146336148 160509944 180573687 195114864 206369928 240764916 280892402 292672296 321019888 361147374 412739856 421338603 481529832 561784804 585344592 722294748 842677206 963059664 983123407 1123569608 1264015809 1444589496 1685354412 1966246814 2247139216 2528031618 2889178992 2949370221 3370708824 3932493628 5056063236 5898740442 6741417648 6881863849 7864987256 8848110663 10112126472 11797480884 13763727698 15729974512 17696221326 20224252944 20645591547 23594961768 27527455396 35392442652 41291183094 47189923536 55054910792 61936774641 70784885304 82582366188 110109821584 123873549282 141569770608 165164732376 247747098564 330329464752 495494197128 990988394256
• Sum of all divisors σ(n): 3237342662229
• Sum of proper divisors (its aliquot sum) s(n): 2246354267973
• 990988394256 is an abundant number, because the sum of its proper divisors (2246354267973) is greater than itself. Its abundance is 1255365873717

Bases of 990988394256

• Binary: 1110011010111011100000101101111100010000₂
• Hexadecimal: 0xE6BB82DF10
• Base-36: CN94WIS0

Squares and roots of 990988394256

• 990988394256 squared (990988394256²) is 982057997550085293793536
• 990988394256 cubed (990988394256³) is 973208078058421807232296243432329216
• 990988394256 is a perfect square number. Its square root is 995484
• The cube root of 990988394256 is 9969.8706274471

Scales and comparisons

• 990,988,394,256 seconds is equal to 31,510 years, 19 weeks, 1 hour, 57 minutes, 36 seconds.
• To count from 1 to 990,988,394,256 would take you about sixty-three thousand and twenty 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 990988394256 cubic inches would be around 830.8 feet tall.

Recreational maths with 990988394256

• 990988394256 backwards is 652493889099
• 990988394256 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 990988394256's digits is 72
• More coming soon!