144540

Names of 144540

• Cardinal: 144540 can be written as One hundred forty-four thousand, five hundred forty.

Scientific notation

• Scientific notation: 1.4454 × 10⁵

Factors of 144540

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 94

Divisors of 144540

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 73 90 99 110 132 146 165 180 198 219 220 292 330 365 396 438 495 657 660 730 803 876 990 1095 1314 1460 1606 1980 2190 2409 2628 3212 3285 4015 4380 4818 6570 7227 8030 9636 12045 13140 14454 16060 24090 28908 36135 48180 72270 144540
• Sum of all divisors σ(n): 484848
• Sum of proper divisors (its aliquot sum) s(n): 340308
• 144540 is an abundant number, because the sum of its proper divisors (340308) is greater than itself. Its abundance is 195768

Bases of 144540

• Binary: 100011010010011100₂
• Hexadecimal: 0x2349C
• Base-36: 33J0

Squares and roots of 144540

• 144540 squared (144540²) is 20891811600
• 144540 cubed (144540³) is 3019702448664000
• The square root of 144540 is 380.1841658985
• The cube root of 144540 is 52.4802646911

Scales and comparisons

• 144,540 seconds is equal to 1 day, 16 hours, 9 minutes.
• To count from 1 to 144,540 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 144540 cubic inches would be around 4.4 feet tall.

Recreational maths with 144540

• 144540 backwards is 045441
• 144540 is a Harshad number.
• The number of decimal digits it has is: 6
• The sum of 144540's digits is 18
• More coming soon!