40687730944

Names of 40687730944

• Cardinal: 40687730944 can be written as Forty billion, six hundred eighty-seven million, seven hundred thirty thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 4.0687730944 × 10¹⁰

Factors of 40687730944

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1810

Divisors of 40687730944

• Number of divisors d(n): 81
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 392 448 784 896 1568 1792 1801 3136 3602 6272 7204 12544 12607 14408 25214 28816 50428 57632 88249 100856 115264 176498 201712 230528 352996 403424 461056 705992 806848 1411984 1613696 2823968 3227392 3243601 5647936 6487202 11295872 12974404 22591744 22705207 25948808 45410414 51897616 90820828 103795232 158936449 181641656 207590464 317872898 363283312 415180928 635745796 726566624 830361856 1271491592 1453133248 2542983184 2906266496 5085966368 5812532992 10171932736 20343865472 40687730944
• Sum of all divisors σ(n): 94528853181
• Sum of proper divisors (its aliquot sum) s(n): 53841122237
• 40687730944 is an abundant number, because the sum of its proper divisors (53841122237) is greater than itself. Its abundance is 13153391293

Bases of 40687730944

• Binary: 100101111001001011011000000100000000₂
• Hexadecimal: 0x9792D8100
• Base-36: IOWFA4G

Squares and roots of 40687730944

• 40687730944 squared (40687730944²) is 1655491449371335131136
• 40687730944 cubed (40687730944³) is 67358190672113481761716525072384
• 40687730944 is a perfect square number. Its square root is 201712
• The cube root of 40687730944 is 3439.4406806519

Scales and comparisons

• 40,687,730,944 seconds is equal to 1,293 years, 38 weeks, 4 days, 19 hours, 29 minutes, 4 seconds.
• To count from 1 to 40,687,730,944 would take you about two thousand, five hundred eighty-seven 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 40687730944 cubic inches would be around 286.6 feet tall.

Recreational maths with 40687730944

• 40687730944 backwards is 44903778604
• The number of decimal digits it has is: 11
• The sum of 40687730944's digits is 52
• More coming soon!