140123240

Names of 140123240

• Cardinal: 140123240 can be written as One hundred forty million, one hundred twenty-three thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.4012324 × 10⁸

Factors of 140123240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2078

Divisors of 140123240

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 20 40 41 43 82 86 164 172 205 215 328 344 410 430 820 860 1640 1720 1763 1987 3526 3974 7052 7948 8815 9935 14104 15896 17630 19870 35260 39740 70520 79480 81467 85441 162934 170882 325868 341764 407335 427205 651736 683528 814670 854410 1629340 1708820 3258680 3417640 3503081 7006162 14012324 17515405 28024648 35030810 70061620 140123240
• Sum of all divisors σ(n): 330644160
• Sum of proper divisors (its aliquot sum) s(n): 190520920
• 140123240 is an abundant number, because the sum of its proper divisors (190520920) is greater than itself. Its abundance is 50397680

Bases of 140123240

• Binary: 1000010110100001110001101000₂
• Hexadecimal: 0x85A1C68
• Base-36: 2BFBS8

Squares and roots of 140123240

• 140123240 squared (140123240²) is 19634522388097600
• 140123240 cubed (140123240³) is 2751252892872773148224000
• The square root of 140123240 is 11837.3662611241
• The cube root of 140123240 is 519.4017281121

Scales and comparisons

• 140,123,240 seconds is equal to 4 years, 23 weeks, 4 days, 19 hours, 7 minutes, 20 seconds.
• To count from 1 to 140,123,240 would take you about six 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 140123240 cubic inches would be around 43.3 feet tall.

Recreational maths with 140123240

• 140123240 backwards is 042321041
• The number of decimal digits it has is: 9
• The sum of 140123240's digits is 17
• More coming soon!