990106830405

Names of 990106830405

• Cardinal: 990106830405 can be written as Nine hundred ninety billion, one hundred six million, eight hundred thirty thousand, four hundred five.

Scientific notation

• Scientific notation: 9.90106830405 × 10¹¹

Factors of 990106830405

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 460

Divisors of 990106830405

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 7 9 11 15 21 33 35 37 45 49 55 63 77 99 105 111 147 165 185 231 245 259 315 333 343 385 397 407 441 495 539 555 693 735 777 1029 1155 1191 1221 1295 1617 1665 1715 1813 1985 2035 2205 2331 2695 2779 2849 3087 3465 3573 3663 3773 3885 4367 4851 5145 5439 5955 6105 8085 8337 8547 9065 11319 11655 12691 13101 13895 14245 14689 15435 16317 17865 18315 18865 19453 19943 21835 24255 25011 25641 27195 30569 33957 38073 39303 41685 42735 44067 56595 58359 59829 63455 65505 73445 81585 91707 97265 99715 102823 114219 125055 128205 132201 136171 139601 152845 157609 161579 169785 175077 179487 190365 196515 213983 220335 275121 291795 299145 308469 408513 418803 458535 472827 484737 514115 571095 641949 661005 680855 698005 719761 788045 807895 875385 897435 925407 1069915 1103263 1131053 1225539 1256409 1375605 1418481 1454211 1497881 1542345 1733699 1925847 2042565 2094015 2159283 2364135 2423685 3209745 3309789 3393159 3598805 4493643 4627035 5038327 5201097 5516315 5655265 5831533 6127695 6282045 6477849 7092405 7271055 7489405 7722841 7917371 8668495 9629235 9929367 10179477 10796415 12135893 13480929 15114981 15603291 16548945 16965795 17494599 22468215 23168523 23752113 25191635 26005485 29157665 32389245 36407679 38614205 39586855 40820731 45344943 49646835 50897385 52483797 54059887 55421597 60679465 64146863 67404645 69505569 71256339 75574905 78016455 84951251 87472995 109223037 115842615 118760565 122462193 162179661 166264791 182038395 192440589 204103655 226724715 254853753 262418985 270299435 277107985 285745117 320734315 347527845 356281695 367386579 424756255 449028041 486538983 498794373 546115185 577321767 594658757 612310965 764561259 810898305 831323955 857235351 962202945 1274268765 1347084123 1428725585 1783976271 1836932895 2000215819 2245140205 2432694915 2493971865 2571706053 2886608835 2973293785 3143196287 3822806295 4041252369 4286176755 5351928813 6000647457 6735420615 8919881355 9429588861 10001079095 12858530265 15715981435 18001942371 20206261845 22002374009 26759644065 28288766583 30003237285 47147944305 66007122027 90009711855 110011870045 141443832915 198021366081 330035610135 990106830405
• Sum of all divisors σ(n): 2247997190400
• Sum of proper divisors (its aliquot sum) s(n): 1257890359995
• 990106830405 is an abundant number, because the sum of its proper divisors (1257890359995) is greater than itself. Its abundance is 267783529590

Bases of 990106830405

• Binary: 1110011010000110111101110100011001000101₂
• Hexadecimal: 0xE686F74645
• Base-36: CMUK1JR9

Squares and roots of 990106830405

• 990106830405 squared (990106830405²) is 980311535614635432464025
• 990106830405 cubed (990106830405³) is 970613147336864961566562231938680125
• The square root of 990106830405 is 995041.1199568589
• The cube root of 990106830405 is 9966.9134165517

Scales and comparisons

• 990,106,830,405 seconds is equal to 31,482 years, 17 weeks, 2 days, 19 hours, 6 minutes, 45 seconds.
• To count from 1 to 990,106,830,405 would take you about sixty-two thousand, nine hundred sixty-four 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 990106830405 cubic inches would be around 830.6 feet tall.

Recreational maths with 990106830405

• 990106830405 backwards is 504038601099
• 990106830405 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 990106830405's digits is 45
• More coming soon!