140845640

Names of 140845640

• Cardinal: 140845640 can be written as One hundred forty million, eight hundred forty-five thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.4084564 × 10⁸

Factors of 140845640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 6362

Divisors of 140845640

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 13 20 26 40 43 52 65 86 104 130 172 215 260 344 430 520 559 860 1118 1720 2236 2795 4472 5590 6299 11180 12598 22360 25196 31495 50392 62990 81887 125980 163774 251960 270857 327548 409435 541714 655096 818870 1083428 1354285 1637740 2166856 2708570 3275480 3521141 5417140 7042282 10834280 14084564 17605705 28169128 35211410 70422820 140845640
• Sum of all divisors σ(n): 349272000
• Sum of proper divisors (its aliquot sum) s(n): 208426360
• 140845640 is an abundant number, because the sum of its proper divisors (208426360) is greater than itself. Its abundance is 67580720

Bases of 140845640

• Binary: 1000011001010010001001001000₂
• Hexadecimal: 0x8652248
• Base-36: 2BUT6W

Squares and roots of 140845640

• 140845640 squared (140845640²) is 19837494307009600
• 140845640 cubed (140845640³) is 2794024581667123598144000
• The square root of 140845640 is 11867.8405786395
• The cube root of 140845640 is 520.2927838363

Scales and comparisons

• 140,845,640 seconds is equal to 4 years, 24 weeks, 6 days, 3 hours, 47 minutes, 20 seconds.
• To count from 1 to 140,845,640 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 140845640 cubic inches would be around 43.4 feet tall.

Recreational maths with 140845640

• 140845640 backwards is 046548041
• The number of decimal digits it has is: 9
• The sum of 140845640's digits is 32
• More coming soon!