385168140

Names of 385168140

• Cardinal: 385168140 can be written as Three hundred eighty-five million, one hundred sixty-eight thousand, one hundred forty.

Scientific notation

• Scientific notation: 3.8516814 × 10⁸

Factors of 385168140

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 256

Divisors of 385168140

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 29 30 35 36 42 45 58 60 63 70 83 84 87 90 105 116 126 127 140 145 166 174 180 203 210 249 252 254 261 290 315 332 348 381 406 415 420 435 498 508 522 580 581 609 630 635 747 762 812 830 870 889 996 1015 1044 1143 1162 1218 1245 1260 1270 1305 1494 1524 1660 1740 1743 1778 1827 1905 2030 2286 2324 2407 2436 2490 2540 2610 2667 2905 2988 3045 3486 3556 3654 3683 3735 3810 4060 4445 4572 4814 4980 5220 5229 5334 5715 5810 6090 6972 7221 7308 7366 7470 7620 8001 8715 8890 9135 9628 10458 10541 10668 11049 11430 11620 12035 12180 13335 14442 14732 14940 16002 16849 17430 17780 18270 18415 20916 21082 21663 22098 22860 24070 25781 26145 26670 28884 31623 32004 33147 33698 34860 36105 36540 36830 40005 42164 43326 44196 48140 50547 51562 52290 52705 53340 55245 63246 66294 67396 72210 73660 73787 77343 80010 84245 86652 94869 101094 103124 104580 105410 108315 110490 126492 128905 132588 144420 147574 151641 154686 158115 160020 165735 168490 189738 202188 210820 216630 220980 221361 232029 252735 257810 295148 303282 305689 309372 316230 331470 336980 368935 379476 386715 433260 442722 464058 474345 505470 515620 606564 611378 632460 662940 664083 737870 758205 773430 885444 917067 928116 948690 1010940 1106805 1160145 1222756 1328166 1475740 1516410 1528445 1546860 1834134 1897380 2139823 2213610 2320290 2656332 2751201 3032820 3056890 3320415 3668268 4279646 4427220 4585335 4640580 5502402 6113780 6419469 6640830 8559292 9170670 10699115 11004804 12838938 13281660 13756005 18341340 19258407 21398230 25677876 27512010 32097345 38516814 42796460 55024020 64194690 77033628 96292035 128389380 192584070 385168140
• Sum of all divisors σ(n): 1408942080
• Sum of proper divisors (its aliquot sum) s(n): 1023773940
• 385168140 is an abundant number, because the sum of its proper divisors (1023773940) is greater than itself. Its abundance is 638605800

Bases of 385168140

• Binary: 10110111101010011001100001100₂
• Hexadecimal: 0x16F5330C
• Base-36: 6DBHN0

Squares and roots of 385168140

• 385168140 squared (385168140²) is 148354496071059600
• 385168140 cubed (385168140³) is 57141425312327333961144000
• The square root of 385168140 is 19625.7010065883
• The cube root of 385168140 is 727.5845227193

Scales and comparisons

• 385,168,140 seconds is equal to 12 years, 12 weeks, 5 days, 23 hours, 9 minutes.
• To count from 1 to 385,168,140 would take you about eighteen 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 385168140 cubic inches would be around 60.6 feet tall.

Recreational maths with 385168140

• 385168140 backwards is 041861583
• 385168140 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 385168140's digits is 36
• More coming soon!