40405679744

Names of 40405679744

• Cardinal: 40405679744 can be written as Forty billion, four hundred five million, six hundred seventy-nine thousand, seven hundred forty-four.

Scientific notation

• Scientific notation: 4.0405679744 × 10¹⁰

Factors of 40405679744

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1190

Divisors of 40405679744

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 16 31 32 41 62 64 82 124 128 164 248 307 328 496 614 656 809 992 1228 1271 1312 1618 1984 2456 2542 2624 3236 3968 4912 5084 5248 6472 9517 9824 10168 12587 12944 19034 19648 20336 25079 25174 25888 33169 38068 39296 40672 50158 50348 51776 66338 76136 81344 100316 100696 103552 132676 152272 162688 200632 201392 248363 265352 304544 390197 401264 402784 496726 530704 609088 780394 802528 805568 993452 1028239 1061408 1218176 1560788 1605056 1611136 1986904 2056478 2122816 3121576 3210112 3973808 4112956 4245632 6243152 7699253 7947616 8225912 10182883 12486304 15398506 15895232 16451824 20365766 24972608 30797012 31790464 32903648 40731532 49945216 61594024 65807296 81463064 123188048 131614592 162926128 246376096 315669373 325852256 492752192 631338746 651704512 985504384 1262677492 1303409024 2525354984 5050709968 10101419936 20202839872 40405679744
• Sum of all divisors σ(n): 85501785600
• Sum of proper divisors (its aliquot sum) s(n): 45096105856
• 40405679744 is an abundant number, because the sum of its proper divisors (45096105856) is greater than itself. Its abundance is 4690426112

Bases of 40405679744

• Binary: 100101101000010111011011111010000000₂
• Hexadecimal: 0x9685DBE80
• Base-36: IK8HY0W

Squares and roots of 40405679744

• 40405679744 squared (40405679744²) is 1632618955574691905536
• 40405679744 cubed (40405679744³) is 65967078662934764606556716662784
• The square root of 40405679744 is 201011.6408171427
• The cube root of 40405679744 is 3431.4747359129

Scales and comparisons

• 40,405,679,744 seconds is equal to 1,284 years, 40 weeks, 2 days, 7 hours, 55 minutes, 44 seconds.
• To count from 1 to 40,405,679,744 would take you about two thousand, five hundred sixty-nine 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 40405679744 cubic inches would be around 286 feet tall.

Recreational maths with 40405679744

• 40405679744 backwards is 44797650404
• The number of decimal digits it has is: 11
• The sum of 40405679744's digits is 50
• More coming soon!