40668645240

Names of 40668645240

• Cardinal: 40668645240 can be written as Forty billion, six hundred sixty-eight million, six hundred forty-five thousand, two hundred forty.

Scientific notation

• Scientific notation: 4.066864524 × 10¹⁰

Factors of 40668645240

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4184027

Divisors of 40668645240

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 108 120 135 162 180 216 243 270 324 360 405 486 540 648 810 972 1080 1215 1620 1944 2430 3240 4860 9720 4184017 8368034 12552051 16736068 20920085 25104102 33472136 37656153 41840170 50208204 62760255 75312306 83680340 100416408 112968459 125520510 150624612 167360680 188280765 225936918 251041020 301249224 338905377 376561530 451873836 502082040 564842295 677810754 753123060 903747672 1016716131 1129684590 1355621508 1506246120 1694526885 2033432262 2259369180 2711243016 3389053770 4066864524 4518738360 5083580655 6778107540 8133729048 10167161310 13556215080 20334322620 40668645240
• Sum of all divisors σ(n): 137068429680
• Sum of proper divisors (its aliquot sum) s(n): 96399784440
• 40668645240 is an abundant number, because the sum of its proper divisors (96399784440) is greater than itself. Its abundance is 55731139200

Bases of 40668645240

• Binary: 100101111000000010100100011101111000₂
• Hexadecimal: 0x9780A4778
• Base-36: IOL27I0

Squares and roots of 40668645240

• 40668645240 squared (40668645240²) is 1653938705656974657600
• 40668645240 cubed (40668645240³) is 67263446469068283481604869824000
• The square root of 40668645240 is 201664.6851583093
• The cube root of 40668645240 is 3438.9028083255

Scales and comparisons

• 40,668,645,240 seconds is equal to 1,293 years, 7 weeks, 21 hours, 54 minutes.
• To count from 1 to 40,668,645,240 would take you about two thousand, five hundred eighty-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 40668645240 cubic inches would be around 286.6 feet tall.

Recreational maths with 40668645240

• 40668645240 backwards is 04254686604
• 40668645240 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 40668645240's digits is 45
• More coming soon!