990532815818

Names of 990532815818

• Cardinal: 990532815818 can be written as Nine hundred ninety billion, five hundred thirty-two million, eight hundred fifteen thousand, eight hundred eighteen.

Scientific notation

• Scientific notation: 9.90532815818 × 10¹¹

Factors of 990532815818

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 123

Divisors of 990532815818

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 7 13 14 23 26 31 46 47 62 91 94 161 169 182 217 299 322 329 338 403 434 598 611 658 713 806 961 1081 1183 1222 1426 1457 1922 2093 2162 2197 2366 2821 2914 3887 4186 4277 4394 4991 5239 5642 6727 7567 7774 7943 8554 9269 9982 10199 10478 12493 13454 14053 15134 15379 15886 18538 18941 20398 22103 24986 27209 28106 29791 30758 33511 36673 37882 44206 45167 50531 54418 55601 59582 64883 67022 68107 73346 87451 90334 98371 101062 103259 111202 120497 129766 132587 136214 154721 162409 174902 182689 196742 206518 208537 234577 240994 246233 265174 287339 309442 316169 324818 353717 365378 387283 417074 435643 469154 476749 492466 574678 587171 632338 685193 707434 722813 774566 843479 871286 953498 1038841 1136863 1174342 1278823 1370386 1400177 1445626 1566461 1686958 1723631 2011373 2077682 2111317 2273726 2374957 2557646 2710981 2800354 3049501 3132922 3201029 3447262 3735407 4022746 4110197 4222634 4749914 4796351 5034679 5421962 5663359 6099002 6402058 7271887 7470814 7633223 8220394 8907509 9592702 9801239 10069358 10965227 11326718 13504933 14543774 14779219 15266446 16624699 17815018 18202301 19602478 21930454 22407203 26147849 27009866 29558438 32204071 33249398 35242753 36404602 39643513 44814406 48560291 52295698 53432561 62352563 64408142 65450827 70485506 73623667 79287026 94534531 97120582 99231899 106865122 115797617 124705126 127416107 130901654 147247334 175564129 189069062 198463798 225428497 231595234 236629913 254832214 339922037 351128258 418652923 450856994 458155789 473259826 515365669 679844074 694623293 810583319 837305846 916311578 1030731338 1228948903 1389246586 1505369021 1621166638 1656409391 2282333677 2457897806 2930570461 3010738042 3076188869 3312818782 4564667354 5442487999 5861140922 6152377738 10537583147 10884975998 15976335739 21075166294 21533322083 31952671478 38097415993 43066644166 70752343987 76194831986 141504687974 495266407909 990532815818
• Sum of all divisors σ(n): 2025656156160
• Sum of proper divisors (its aliquot sum) s(n): 1035123340342
• 990532815818 is an abundant number, because the sum of its proper divisors (1035123340342) is greater than itself. Its abundance is 44590524524

Bases of 990532815818

• Binary: 1110011010100000010110110100101111001010₂
• Hexadecimal: 0xE6A05B4BCA
• Base-36: CN1LNW7E

Squares and roots of 990532815818

• 990532815818 squared (990532815818²) is 981155259212335911009124
• 990532815818 cubed (990532815818³) is 971866481662234774693147861609523432
• The square root of 990532815818 is 995255.1511135223
• The cube root of 990532815818 is 9968.3426060905

Scales and comparisons

• 990,532,815,818 seconds is equal to 31,495 years, 45 weeks, 5 days, 4 hours, 23 minutes, 38 seconds.
• To count from 1 to 990,532,815,818 would take you about sixty-two thousand, nine hundred ninety-one 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 990532815818 cubic inches would be around 830.7 feet tall.

Recreational maths with 990532815818

• 990532815818 backwards is 818518235099
• The number of decimal digits it has is: 12
• The sum of 990532815818's digits is 59
• More coming soon!