385305228

Names of 385305228

• Cardinal: 385305228 can be written as Three hundred eighty-five million, three hundred five thousand, two hundred twenty-eight.

Scientific notation

• Scientific notation: 3.85305228 × 10⁸

Factors of 385305228

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6642

Divisors of 385305228

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 18 21 22 27 28 33 36 42 44 49 54 63 66 77 84 98 99 108 126 132 147 154 189 196 198 231 252 294 297 308 378 396 441 462 539 588 594 693 756 882 924 1078 1188 1323 1386 1617 1764 2079 2156 2646 2772 3234 4158 4851 5292 6468 6619 8316 9702 13238 14553 19404 19857 26476 29106 39714 46333 58212 59571 72809 79428 92666 119142 138999 145618 178713 185332 218427 238284 277998 291236 324331 357426 416997 436854 509663 555996 648662 655281 714852 833994 873708 972993 1019326 1250991 1297324 1310562 1528989 1667988 1945986 1965843 2038652 2501982 2621124 2918979 3057978 3567641 3891972 3931686 4586967 5003964 5837958 6115956 7135282 7863372 8756937 9173934 10702923 11675916 13760901 14270564 17513874 18347868 21405846 27521802 32108769 35027748 42811692 55043604 64217538 96326307 128435076 192652614 385305228
• Sum of all divisors σ(n): 1267862400
• Sum of proper divisors (its aliquot sum) s(n): 882557172
• 385305228 is an abundant number, because the sum of its proper divisors (882557172) is greater than itself. Its abundance is 497251944

Bases of 385305228

• Binary: 10110111101110100101010001100₂
• Hexadecimal: 0x16F74A8C
• Base-36: 6DEFF0

Squares and roots of 385305228

• 385305228 squared (385305228²) is 148460118724131984
• 385305228 cubed (385305228³) is 57202459893908743197212352
• The square root of 385305228 is 19629.1932590213
• The cube root of 385305228 is 727.6708324505

Scales and comparisons

• 385,305,228 seconds is equal to 12 years, 13 weeks, 13 hours, 13 minutes, 48 seconds.
• To count from 1 to 385,305,228 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 385305228 cubic inches would be around 60.6 feet tall.

Recreational maths with 385305228

• 385305228 backwards is 822503583
• 385305228 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 385305228's digits is 36
• More coming soon!