15420841720245

Names of 15420841720245

• Cardinal: 15420841720245 can be written as Fifteen trillion, four hundred twenty billion, eight hundred forty-one million, seven hundred twenty thousand, two hundred forty-five.

Scientific notation

• Scientific notation: 1.5420841720245 × 10¹³

Factors of 15420841720245

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4415

Divisors of 15420841720245

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 5 9 13 15 17 27 39 45 51 65 85 117 135 153 157 195 221 255 351 459 471 585 663 765 785 1033 1105 1413 1755 1989 2041 2295 2355 2669 3099 3187 3315 4239 5165 5967 6123 7065 8007 9297 9561 9945 10205 13345 13429 15495 15935 17561 18369 21195 24021 27891 28683 29835 30615 34697 40035 40287 41431 46485 47805 52683 54179 55107 67145 72063 86049 87805 91845 104091 120105 120861 124293 139455 143415 158049 162181 162537 173485 201435 207155 228293 263415 270895 275535 312273 360315 362583 372879 430245 474147 486543 487611 500359 520455 604305 621465 684879 704327 790245 810905 812685 936819 1118637 1141465 1459629 1462833 1501077 1561365 1812915 1864395 2054637 2108353 2112981 2370735 2432715 2438055 2501795 2757077 3292171 3424395 3521635 4378887 4503231 4684095 5593185 6163911 6325059 6338943 6504667 7298145 7314165 7505385 8271231 8506103 9876513 10273185 10541765 10564905 13509693 13785385 16460855 18975177 19016829 19514001 21894435 22516155 24813693 25518309 29629539 30819555 31625295 31694715 32523335 35842001 41356155 42530515 42798223 49382565 55966907 56925531 58542003 67548465 74441079 76554927 88888617 94875885 95084145 97570005 107526003 110579339 124068465 127591545 128394669 148147695 167900721 175626009 179210005 213991115 229664781 279834535 284627655 292710015 322578009 331738017 372205395 382774635 385184007 444443085 503702163 516870847 537630015 552896695 641973345 727569791 839503605 878130045 967734027 995214051 1148323905 1155552021 1511106489 1550612541 1612890045 1658690085 1925920035 2182709373 2518510815 2584354235 2985642153 3637848955 4651837623 4838670135 4976070255 5777760105 6548128119 6719321011 7555532445 7753062705 8786804399 10913546865 13955512869 14928210765 19644384357 20157963033 23259188115 26360413197 32740640595 33596605055 43934021995 60473889099 69777564345 79081239591 98221921785 100789815165 114228457187 131802065985 181421667297 237243718773 302369445495 342685371561 395406197955 571142285935 907108336485 1028056114683 1186218593865 1713426857805 3084168344049 5140280573415 15420841720245
• Sum of all divisors σ(n): 31499794529280
• Sum of proper divisors (its aliquot sum) s(n): 16078952809035
• 15420841720245 is an abundant number, because the sum of its proper divisors (16078952809035) is greater than itself. Its abundance is 658111088790

Bases of 15420841720245

• Binary: 11100000011001110001110010101111100110110101₂
• Hexadecimal: 0xE0671CAF9B5
• Base-36: 5GS8J07N9

Squares and roots of 15420841720245

• 15420841720245 squared (15420841720245²) is 237802359360848770842860025
• 15420841720245 cubed (15420841720245³) is 3667112544404470838067703386496743706125
• The square root of 15420841720245 is 3926937.9572696333
• The cube root of 15420841720245 is 24890.6378787771

Scales and comparisons

• 15,420,841,720,245 seconds is equal to 490,335 years, 3 weeks, 3 days, 8 hours, 30 minutes, 45 seconds.
• To count from 1 to 15,420,841,720,245 would take you about one million, two hundred twenty-five thousand, eight hundred thirty-seven 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 15420841720245 cubic inches would be around 2074.2 feet tall.

Recreational maths with 15420841720245

• 15420841720245 backwards is 54202714802451
• 15420841720245 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 15420841720245's digits is 45
• More coming soon!