144747978720

Names of 144747978720

• Cardinal: 144747978720 can be written as One hundred forty-four billion, seven hundred forty-seven million, nine hundred seventy-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.4474797872 × 10¹¹

Factors of 144747978720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 466744

Divisors of 144747978720

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 647 1294 1941 2588 3235 3882 5176 6470 7764 9705 10352 12940 15528 19410 20704 25880 31056 38820 51760 62112 77640 103520 155280 310560 466087 932174 1398261 1864348 2330435 2796522 3728696 4660870 5593044 6991305 7457392 9321740 11186088 13982610 14914784 18643480 22372176 27965220 37286960 44744352 55930440 74573920 111860880 223721760 301558289 603116578 904674867 1206233156 1507791445 1809349734 2412466312 3015582890 3618699468 4523374335 4824932624 6031165780 7237398936 9046748670 9649865248 12062331560 14474797872 18093497340 24124663120 28949595744 36186994680 48249326240 72373989360 144747978720
• Sum of all divisors σ(n): 456661836288
• Sum of proper divisors (its aliquot sum) s(n): 311913857568
• 144747978720 is an abundant number, because the sum of its proper divisors (311913857568) is greater than itself. Its abundance is 167165878848

Bases of 144747978720

• Binary: 10000110110011101001101101111111100000₂
• Hexadecimal: 0x21B3A6DFE0
• Base-36: 1UHV7J6O

Squares and roots of 144747978720

• 144747978720 squared (144747978720²) is 20951977343525572838400
• 144747978720 cubed (144747978720³) is 3032756370662561746988533198848000
• The square root of 144747978720 is 380457.5912240417
• The cube root of 144747978720 is 5250.5423925787

Scales and comparisons

• 144,747,978,720 seconds is equal to 4,602 years, 27 weeks, 6 days, 19 hours, 52 minutes.
• To count from 1 to 144,747,978,720 would take you about nine thousand, two hundred five 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 144747978720 cubic inches would be around 437.5 feet tall.

Recreational maths with 144747978720

• 144747978720 backwards is 027879747441
• 144747978720 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 144747978720's digits is 60
• More coming soon!