140640090

Names of 140640090

• Cardinal: 140640090 can be written as One hundred forty million, six hundred forty thousand and ninety.

Scientific notation

• Scientific notation: 1.4064009 × 10⁸

Factors of 140640090

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1967

Divisors of 140640090

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 15 19 30 38 57 95 114 137 190 274 285 411 570 685 822 1370 1801 2055 2603 3602 4110 5206 5403 7809 9005 10806 13015 15618 18010 26030 27015 34219 39045 54030 68438 78090 102657 171095 205314 246737 342190 493474 513285 740211 1026570 1233685 1480422 2467370 3701055 4688003 7402110 9376006 14064009 23440015 28128018 46880030 70320045 140640090
• Sum of all divisors σ(n): 358093440
• Sum of proper divisors (its aliquot sum) s(n): 217453350
• 140640090 is an abundant number, because the sum of its proper divisors (217453350) is greater than itself. Its abundance is 76813260

Bases of 140640090

• Binary: 1000011000011111111101011010₂
• Hexadecimal: 0x861FF5A
• Base-36: 2BQEL6

Squares and roots of 140640090

• 140640090 squared (140640090²) is 19779634915208100
• 140640090 cubed (140640090³) is 2781809634642009552729000
• The square root of 140640090 is 11859.1774588291
• The cube root of 140640090 is 520.0395556697

Scales and comparisons

• 140,640,090 seconds is equal to 4 years, 24 weeks, 3 days, 18 hours, 41 minutes, 30 seconds.
• To count from 1 to 140,640,090 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 140640090 cubic inches would be around 43.3 feet tall.

Recreational maths with 140640090

• 140640090 backwards is 090046041
• The number of decimal digits it has is: 9
• The sum of 140640090's digits is 24
• More coming soon!