385066890

Names of 385066890

• Cardinal: 385066890 can be written as Three hundred eighty-five million, sixty-six thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 3.8506689 × 10⁸

Factors of 385066890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1205

Divisors of 385066890

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 449 585 733 898 1170 1347 1466 2199 2245 2694 3665 4041 4398 4490 5837 6597 6735 7330 8082 9529 10995 11674 13194 13470 17511 19058 20205 21990 28587 29185 32985 35022 40410 47645 52533 57174 58370 65970 85761 87555 95290 105066 142935 171522 175110 262665 285870 329117 428805 525330 658234 857610 987351 1645585 1974702 2962053 3291170 4278521 4936755 5924106 8557042 9873510 12835563 14810265 21392605 25671126 29620530 38506689 42785210 64177815 77013378 128355630 192533445 385066890
• Sum of all divisors σ(n): 1082062800
• Sum of proper divisors (its aliquot sum) s(n): 696995910
• 385066890 is an abundant number, because the sum of its proper divisors (696995910) is greater than itself. Its abundance is 311929020

Bases of 385066890

• Binary: 10110111100111010011110001010₂
• Hexadecimal: 0x16F3A78A
• Base-36: 6D9BII

Squares and roots of 385066890

• 385066890 squared (385066890²) is 148276509774272100
• 385066890 cubed (385066890³) is 57096374478833559560769000
• The square root of 385066890 is 19623.1213113511
• The cube root of 385066890 is 727.5207632151

Scales and comparisons

• 385,066,890 seconds is equal to 12 years, 12 weeks, 4 days, 19 hours, 1 minute, 30 seconds.
• To count from 1 to 385,066,890 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 385066890 cubic inches would be around 60.6 feet tall.

Recreational maths with 385066890

• 385066890 backwards is 098660583
• 385066890 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 385066890's digits is 45
• More coming soon!