19989012446640

Names of 19989012446640

• Cardinal: 19989012446640 can be written as Nineteen trillion, nine hundred eighty-nine billion, twelve million, four hundred forty-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.998901244664 × 10¹³

Factors of 19989012446640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 14902082

Divisors of 19989012446640

• Number of divisors d(n): 280
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 27 30 36 40 45 46 48 54 60 69 72 80 81 90 92 108 115 120 135 138 144 162 180 184 207 216 230 240 243 270 276 324 345 360 368 405 414 432 460 486 540 552 621 648 690 720 729 810 828 920 972 1035 1080 1104 1215 1242 1296 1380 1458 1620 1656 1840 1863 1944 2070 2160 2430 2484 2760 2916 3105 3240 3312 3645 3726 3888 4140 4860 4968 5520 5589 5832 6210 6480 7290 7452 8280 9315 9720 9936 11178 11664 12420 14580 14904 16560 16767 18630 19440 22356 24840 27945 29160 29808 33534 37260 44712 49680 55890 58320 67068 74520 83835 89424 111780 134136 149040 167670 223560 268272 335340 447120 670680 1341360 14902049 29804098 44706147 59608196 74510245 89412294 119216392 134118441 149020490 178824588 223530735 238432784 268236882 298040980 342747127 357649176 402355323 447061470 536473764 596081960 670592205 685494254 715298352 804710646 894122940 1028241381 1072947528 1192163920 1207065969 1341184410 1370988508 1609421292 1713735635 1788245880 2011776615 2056482762 2145895056 2414131938 2682368820 2741977016 3084724143 3218842584 3427471270 3576491760 3621197907 4023553230 4112965524 4828263876 5141206905 5364737640 5483954032 6035329845 6169448286 6437685168 6854942540 7242395814 8047106460 8225931048 9254172429 9656527752 10282413810 10729475280 10863593721 12070659690 12338896572 13709885080 14484791628 15423620715 16094212920 16451862096 18105989535 18508344858 19313055504 20564827620 21727187442 24141319380 24677793144 27419770160 27762517287 28969583256 30847241430 32188425840 36211979070 37016689716 41129655240 43454374884 46270862145 48282638760 49355586288 54317968605 55525034574 57939166512 61694482860 72423958140 74033379432 82259310480 83287551861 86908749768 92541724290 96565277520 108635937210 111050069148 123388965720 138812586435 144847916280 148066758864 166575103722 173817499536 185083448580 217271874420 222100138296 246777931440 249862655583 277625172870 289695832560 333150207444 370166897160 416437759305 434543748840 444200276592 499725311166 555250345740 666300414888 740333794320 832875518610 869087497680 999450622332 1110500691480 1249313277915 1332600829776 1665751037220 1998901244664 2221001382960 2498626555830 3331502074440 3997802489328 4997253111660 6663004148880 9994506223320 19989012446640
• Sum of all divisors σ(n): 72709367061600
• Sum of proper divisors (its aliquot sum) s(n): 52720354614960
• 19989012446640 is an abundant number, because the sum of its proper divisors (52720354614960) is greater than itself. Its abundance is 32731342168320

Bases of 19989012446640

• Binary: 100100010111000001101111111000111110110110000₂
• Hexadecimal: 0x122E0DFC7DB0
• Base-36: 732TPWR00

Squares and roots of 19989012446640

• 19989012446640 squared (19989012446640²) is 399560618591928838847289600
• 19989012446640 cubed (19989012446640³) is 7986822178221243350763634564628626944000
• The square root of 19989012446640 is 4470907.3404220759
• The cube root of 19989012446640 is 27139.2044539881

Scales and comparisons

• 19,989,012,446,640 seconds is equal to 635,588 years, 39 weeks, 5 days, 17 hours, 24 minutes.
• To count from 1 to 19,989,012,446,640 would take you about one million, five hundred eighty-eight thousand, nine hundred seventy-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 19989012446640 cubic inches would be around 2261.6 feet tall.

Recreational maths with 19989012446640

• 19989012446640 backwards is 04664421098991
• The number of decimal digits it has is: 14
• The sum of 19989012446640's digits is 63
• More coming soon!