30387287385

Names of 30387287385

• Cardinal: 30387287385 can be written as Thirty billion, three hundred eighty-seven million, two hundred eighty-seven thousand, three hundred eighty-five.

Scientific notation

• Scientific notation: 3.0387287385 × 10¹⁰

Factors of 30387287385

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7469

Divisors of 30387287385

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 7 9 13 15 19 21 35 39 45 53 57 63 65 91 95 105 117 133 159 171 195 247 265 273 285 315 371 399 455 477 585 665 689 741 795 819 855 1007 1113 1197 1235 1365 1729 1855 1995 2067 2223 2385 3021 3339 3445 3705 4095 4823 5035 5187 5565 5985 6201 7049 7369 8645 9063 10335 11115 13091 14469 15105 15561 16695 21147 22107 24115 25935 31005 35245 36845 39273 43407 45315 51583 63441 65455 66321 72345 77805 91637 95797 105735 110535 117819 140011 154749 196365 217035 257915 274911 287391 317205 331605 390557 420033 458185 464247 478985 589095 670579 700055 773745 824733 862173 980077 1171671 1260099 1374555 1436955 1820143 1952785 2011737 2100165 2321235 2733899 2940231 3352895 3515013 4123665 4310865 4900385 5077241 5460429 5858355 6035211 6300495 7420583 8201697 8820693 9100715 10058685 12741001 13669495 14701155 15231723 16381287 17575065 22261749 24605091 25386205 27302145 30176055 35540687 37102915 38223003 41008485 44103465 45695169 51944081 63705005 66785247 76158615 81906435 96467579 106622061 111308745 114669009 123025455 155832243 177703435 191115015 228475845 259720405 289402737 319866183 333926235 467496729 482337895 533110305 573345045 675273053 779161215 868208211 1447013685 1599330915 2025819159 2337483645 3376365265 4341041055 6077457477 10129095795 30387287385
• Sum of all divisors σ(n): 69535065600
• Sum of proper divisors (its aliquot sum) s(n): 39147778215
• 30387287385 is an abundant number, because the sum of its proper divisors (39147778215) is greater than itself. Its abundance is 8760490830

Bases of 30387287385

• Binary: 11100010011001110010011010101011001₂
• Hexadecimal: 0x713393559
• Base-36: DYJT109

Squares and roots of 30387287385

• 30387287385 squared (30387287385²) is 923387234618580138225
• 30387287385 cubed (30387287385³) is 28059233265995215520896098791625
• The square root of 30387287385 is 174319.4980058169
• The cube root of 30387287385 is 3120.5463986959

Scales and comparisons

• 30,387,287,385 seconds is equal to 966 years, 11 weeks, 3 days, 17 hours, 9 minutes, 45 seconds.
• To count from 1 to 30,387,287,385 would take you about one thousand, nine hundred thirty-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 30387287385 cubic inches would be around 260 feet tall.

Recreational maths with 30387287385

• 30387287385 backwards is 58378278303
• The number of decimal digits it has is: 11
• The sum of 30387287385's digits is 54
• More coming soon!