18020399478144

Names of 18020399478144

• Cardinal: 18020399478144 can be written as Eighteen trillion, twenty billion, three hundred ninety-nine million, four hundred seventy-eight thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 1.8020399478144 × 10¹³

Factors of 18020399478144

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 4433

Divisors of 18020399478144

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 128 147 168 192 196 224 294 336 343 384 392 448 588 672 686 784 896 1029 1176 1344 1372 1568 2058 2352 2401 2688 2744 3136 4116 4421 4704 4802 5488 6272 7203 8232 8842 9408 9604 10976 13263 14406 16464 17684 18816 19208 21952 26526 28812 30947 32928 35368 38416 43904 53052 57624 61894 65856 70736 76832 92841 106104 115248 123788 131712 141472 153664 185682 212208 216629 230496 247576 282944 307328 371364 424416 433258 460992 495152 565888 649887 742728 848832 866516 921984 990304 1299774 1485456 1516403 1697664 1733032 1980608 2599548 2970912 3032806 3466064 3961216 4549209 5199096 5941824 6065612 6932128 9098418 10398192 10614821 11883648 12131224 13864256 18196836 19545241 20796384 21229642 24262448 27728512 31844463 36393672 39090482 41592768 42459284 48524896 58635723 63688926 72787344 78180964 83185536 84918568 97049792 117271446 127377852 136816687 145574688 156361928 169837136 194099584 234542892 254755704 273633374 291149376 312723856 339674272 410450061 469085784 509511408 547266748 582298752 625447712 679348544 820900122 938171568 957716809 1019022816 1094533496 1250895424 1358697088 1641800244 1876343136 1915433618 2038045632 2189066992 2501790848 2873150427 3283600488 3752686272 3830867236 4076091264 4378133984 5746300854 6567200976 6704017663 7505372544 7661734472 8756267968 11492601708 13134401952 13408035326 15323468944 17512535936 20112052989 22985203416 26268803904 26816070652 30646937888 40224105978 45970406832 46928123641 52537607808 53632141304 61293875776 80448211956 91940813664 93856247282 107264282608 122587751552 140784370923 160896423912 183881627328 187712494564 214528565216 281568741846 321792847824 367763254656 375424989128 429057130432 563137483692 643585695648 750849978256 858114260864 1126274967384 1287171391296 1501699956512 2252549934768 2574342782592 3003399913024 4505099869536 6006799826048 9010199739072 18020399478144
• Sum of all divisors σ(n): 55853778184260
• Sum of proper divisors (its aliquot sum) s(n): 37833378706116
• 18020399478144 is an abundant number, because the sum of its proper divisors (37833378706116) is greater than itself. Its abundance is 19812979227972

Bases of 18020399478144

• Binary: 100000110001110110011100000100111010110000000₂
• Hexadecimal: 0x1063B3827580
• Base-36: 6DYGGKQYO

Squares and roots of 18020399478144

• 18020399478144 squared (18020399478144²) is 324734797351892547533684736
• 18020399478144 cubed (18020399478144³) is 5851850772735242056706775130875818409984
• The square root of 18020399478144 is 4245044.1079150167
• The cube root of 18020399478144 is 26217.3105297467

Scales and comparisons

• 18,020,399,478,144 seconds is equal to 572,992 years, 50 weeks, 9 hours, 42 minutes, 24 seconds.
• To count from 1 to 18,020,399,478,144 would take you about one million, four hundred thirty-two thousand, four hundred eighty-two 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 18020399478144 cubic inches would be around 2184.8 feet tall.

Recreational maths with 18020399478144

• 18020399478144 backwards is 44187499302081
• The number of decimal digits it has is: 14
• The sum of 18020399478144's digits is 60
• More coming soon!