140525490

Names of 140525490

• Cardinal: 140525490 can be written as One hundred forty million, five hundred twenty-five thousand, four hundred ninety.

Scientific notation

• Scientific notation: 1.4052549 × 10⁸

Factors of 140525490

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 4191

Divisors of 140525490

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 167 210 334 501 835 1002 1169 1670 2338 2505 3507 4007 5010 5845 7014 8014 11690 12021 17535 20035 24042 28049 35070 40070 56098 60105 84147 120210 140245 168294 280490 420735 669169 841470 1338338 2007507 3345845 4015014 4684183 6691690 9368366 10037535 14052549 20075070 23420915 28105098 46841830 70262745 140525490
• Sum of all divisors σ(n): 387846144
• Sum of proper divisors (its aliquot sum) s(n): 247320654
• 140525490 is an abundant number, because the sum of its proper divisors (247320654) is greater than itself. Its abundance is 106795164

Bases of 140525490

• Binary: 1000011000000011111110110010₂
• Hexadecimal: 0x8603FB2
• Base-36: 2BNY5U

Squares and roots of 140525490

• 140525490 squared (140525490²) is 19747413339740100
• 140525490 cubed (140525490³) is 2775014935799514025149000
• The square root of 140525490 is 11854.3447731201
• The cube root of 140525490 is 519.8982665873

Scales and comparisons

• 140,525,490 seconds is equal to 4 years, 24 weeks, 2 days, 10 hours, 51 minutes, 30 seconds.
• To count from 1 to 140,525,490 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 140525490 cubic inches would be around 43.3 feet tall.

Recreational maths with 140525490

• 140525490 backwards is 094525041
• 140525490 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 140525490's digits is 30
• More coming soon!