147840

Names of 147840

• Cardinal: 147840 can be written as One hundred forty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.4784 × 10⁵

Factors of 147840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 28

Divisors of 147840

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 14 15 16 20 21 22 24 28 30 32 33 35 40 42 44 48 55 56 60 64 66 70 77 80 84 88 96 105 110 112 120 128 132 140 154 160 165 168 176 192 210 220 224 231 240 264 280 308 320 330 336 352 384 385 420 440 448 462 480 528 560 616 640 660 672 704 770 840 880 896 924 960 1056 1120 1155 1232 1320 1344 1408 1540 1680 1760 1848 1920 2112 2240 2310 2464 2640 2688 3080 3360 3520 3696 4224 4480 4620 4928 5280 6160 6720 7040 7392 9240 9856 10560 12320 13440 14784 18480 21120 24640 29568 36960 49280 73920 147840
• Sum of all divisors σ(n): 587520
• Sum of proper divisors (its aliquot sum) s(n): 439680
• 147840 is an abundant number, because the sum of its proper divisors (439680) is greater than itself. Its abundance is 291840

Bases of 147840

• Binary: 100100000110000000₂
• Hexadecimal: 0x24180
• Base-36: 362O

Squares and roots of 147840

• 147840 squared (147840²) is 21856665600
• 147840 cubed (147840³) is 3231289442304000
• The square root of 147840 is 384.4996749023
• The cube root of 147840 is 52.8766563315

Scales and comparisons

• 147,840 seconds is equal to 1 day, 17 hours, 4 minutes.
• To count from 1 to 147,840 would take you about seventeen 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 147840 cubic inches would be around 4.4 feet tall.

Recreational maths with 147840

• 147840 backwards is 048741
• 147840 is a Harshad number.
• The number of decimal digits it has is: 6
• The sum of 147840's digits is 24
• More coming soon!