145530

Names of 145530

• Cardinal: 145530 can be written as One hundred forty-five thousand, five hundred thirty.

Scientific notation

• Scientific notation: 1.4553 × 10⁵

Factors of 145530

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 28

Divisors of 145530

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 14 15 18 21 22 27 30 33 35 42 45 49 54 55 63 66 70 77 90 98 99 105 110 126 135 147 154 165 189 198 210 231 245 270 294 297 315 330 378 385 441 462 490 495 539 594 630 693 735 770 882 945 990 1078 1155 1323 1386 1470 1485 1617 1890 2079 2205 2310 2646 2695 2970 3234 3465 4158 4410 4851 5390 6615 6930 8085 9702 10395 13230 14553 16170 20790 24255 29106 48510 72765 145530
• Sum of all divisors σ(n): 492480
• Sum of proper divisors (its aliquot sum) s(n): 346950
• 145530 is an abundant number, because the sum of its proper divisors (346950) is greater than itself. Its abundance is 201420

Bases of 145530

• Binary: 100011100001111010₂
• Hexadecimal: 0x2387A
• Base-36: 34AI

Squares and roots of 145530

• 145530 squared (145530²) is 21178980900
• 145530 cubed (145530³) is 3082177090377000
• The square root of 145530 is 381.4839446163
• The cube root of 145530 is 52.5998101263

Scales and comparisons

• 145,530 seconds is equal to 1 day, 16 hours, 25 minutes, 30 seconds.
• To count from 1 to 145,530 would take you about sixteen hours.

  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 145530 cubic inches would be around 4.4 feet tall.

Recreational maths with 145530

• 145530 backwards is 035541
• 145530 is a Harshad number.
• The number of decimal digits it has is: 6
• The sum of 145530's digits is 18
• More coming soon!