268388190

Names of 268388190

• Cardinal: 268388190 can be written as Two hundred sixty-eight million, three hundred eighty-eight thousand, one hundred ninety.

Scientific notation

• Scientific notation: 2.6838819 × 10⁸

Factors of 268388190

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 60876

Divisors of 268388190

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 49 63 70 90 98 105 126 147 210 245 294 315 441 490 630 735 882 1470 2205 4410 60859 121718 182577 304295 365154 426013 547731 608590 852026 912885 1095462 1278039 1825770 2130065 2556078 2738655 2982091 3834117 4260130 5477310 5964182 6390195 7668234 8946273 12780390 14910455 17892546 19170585 26838819 29820910 38341170 44731365 53677638 89462730 134194095 268388190
• Sum of all divisors σ(n): 811750680
• Sum of proper divisors (its aliquot sum) s(n): 543362490
• 268388190 is an abundant number, because the sum of its proper divisors (543362490) is greater than itself. Its abundance is 274974300

Bases of 268388190

• Binary: 1111111111110100011101011110₂
• Hexadecimal: 0xFFF475E
• Base-36: 4FSHNI

Squares and roots of 268388190

• 268388190 squared (268388190²) is 72032220531476100
• 268388190 cubed (268388190³) is 19332597290123708507259000
• The square root of 268388190 is 16382.5574926505
• The cube root of 268388190 is 645.0417135453

Scales and comparisons

• 268,388,190 seconds is equal to 8 years, 27 weeks, 5 days, 8 hours, 16 minutes, 30 seconds.
• To count from 1 to 268,388,190 would take you about twelve 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 268388190 cubic inches would be around 53.8 feet tall.

Recreational maths with 268388190

• 268388190 backwards is 091883862
• 268388190 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 268388190's digits is 45
• More coming soon!