385738431220

Names of 385738431220

• Cardinal: 385738431220 can be written as Three hundred eighty-five billion, seven hundred thirty-eight million, four hundred thirty-one thousand, two hundred twenty.

Scientific notation

• Scientific notation: 3.8573843122 × 10¹¹

Factors of 385738431220

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 71

Divisors of 385738431220

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 10 20 23 41 46 82 92 115 164 205 230 410 460 529 820 943 1058 1681 1886 2116 2645 3362 3772 4715 5290 6724 8405 9430 10580 12167 16810 18860 21689 24334 33620 38663 43378 48668 60835 68921 77326 86756 108445 121670 137842 154652 193315 216890 243340 275684 279841 344605 386630 433780 498847 559682 689210 773260 889249 997694 1119364 1378420 1399205 1585183 1778498 1995388 2494235 2798410 3170366 3556996 4446245 4988470 5596820 6340732 7925915 8892490 9976940 11473481 15851830 17784980 20452727 22946962 31703660 36459209 40905454 45893924 57367405 72918418 81810908 102263635 114734810 145836836 182296045 204527270 229469620 364592090 409054540 470412721 729184180 838561807 940825442 1677123614 1881650884 2352063605 3354247228 4192809035 4704127210 8385618070 9408254420 16771236140 19286921561 38573843122 77147686244 96434607805 192869215610 385738431220
• Sum of all divisors σ(n): 868042529928
• Sum of proper divisors (its aliquot sum) s(n): 482304098708
• 385738431220 is an abundant number, because the sum of its proper divisors (482304098708) is greater than itself. Its abundance is 96565667488

Bases of 385738431220

• Binary: 101100111001111110011010101101011110100₂
• Hexadecimal: 0x59CFCD5AF4
• Base-36: 4X7EPAES

Squares and roots of 385738431220

• 385738431220 squared (385738431220²) is 148794137320066670688400
• 385738431220 cubed (385738431220³) is 57395617104575772577151773451848000
• The square root of 385738431220 is 621078.4420828017
• The cube root of 385738431220 is 7279.4343994881

Scales and comparisons

• 385,738,431,220 seconds is equal to 12,265 years, 15 weeks, 4 hours, 13 minutes, 40 seconds.
• To count from 1 to 385,738,431,220 would take you about twenty-four thousand, five hundred thirty 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 385738431220 cubic inches would be around 606.6 feet tall.

Recreational maths with 385738431220

• 385738431220 backwards is 022134837583
• 385738431220 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 385738431220's digits is 46
• More coming soon!