385891840838

Names of 385891840838

• Cardinal: 385891840838 can be written as Three hundred eighty-five billion, eight hundred ninety-one million, eight hundred forty thousand, eight hundred thirty-eight.

Scientific notation

• Scientific notation: 3.85891840838 × 10¹¹

Factors of 385891840838

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1330

Divisors of 385891840838

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 7 14 31 41 62 67 82 134 217 287 431 434 469 574 751 862 938 1271 1502 2077 2542 2747 3017 4154 5257 5494 6034 8897 10514 13361 14539 17671 17794 19229 23281 26722 28877 29078 30791 35342 38458 46562 50317 57754 61582 85157 93527 100634 123697 162967 170314 187054 202139 215537 247394 323681 325934 352219 404278 431074 547801 596099 647362 704438 895187 954521 1095602 1183957 1192198 1559827 1790374 1909042 2062997 2265767 2367914 3119654 3834607 4125994 4531534 6266309 6681647 7669214 8287699 10034111 10918789 12532618 13270921 13363294 14440979 16575398 20068222 21686627 21837578 26541842 28881958 36702667 43373254 63952907 70238777 73405334 92896447 127905814 140477554 151806389 185792894 256918669 303612778 411398551 447670349 513837338 672285437 822797102 889151707 895340698 1344570874 1778303414 2879789857 4705998059 5759579714 6224061949 9411996118 12448123898 27563702917 55127405834 192945920419 385891840838
• Sum of all divisors σ(n): 712559296512
• Sum of proper divisors (its aliquot sum) s(n): 326667455674
• 385891840838 is a deficient number, because the sum of its proper divisors (326667455674) is less than itself. Its deficiency is 59224385164

Bases of 385891840838

• Binary: 101100111011000111100100011001101000110₂
• Hexadecimal: 0x59D8F23346
• Base-36: 4X9Y1E12

Squares and roots of 385891840838

• 385891840838 squared (385891840838²) is 148912512825340324542244
• 385891840838 cubed (385891840838³) is 57464123697982862211438886855360472
• The square root of 385891840838 is 621201.9324165049
• The cube root of 385891840838 is 7280.3992910221

Scales and comparisons

• 385,891,840,838 seconds is equal to 12,270 years, 8 weeks, 4 days, 18 hours, 38 seconds.
• To count from 1 to 385,891,840,838 would take you about twenty-four thousand, five hundred forty 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 385891840838 cubic inches would be around 606.7 feet tall.

Recreational maths with 385891840838

• 385891840838 backwards is 838048198583
• The number of decimal digits it has is: 12
• The sum of 385891840838's digits is 65
• More coming soon!