40342281728

Names of 40342281728

• Cardinal: 40342281728 can be written as Forty billion, three hundred forty-two million, two hundred eighty-one thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 4.0342281728 × 10¹⁰

Factors of 40342281728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 7841

Divisors of 40342281728

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 211 224 256 392 422 448 512 784 844 896 1477 1568 1688 1792 2954 3136 3376 3584 5908 6272 6752 7621 10339 11816 12544 13504 15242 20678 23632 25088 27008 30484 41356 47264 53347 54016 60968 82712 94528 106694 108032 121936 165424 189056 213388 243872 330848 373429 378112 426776 487744 661696 746858 756224 853552 975488 1323392 1493716 1608031 1707104 1950976 2646784 2987432 3216062 3414208 3901952 5293568 5974864 6432124 6828416 11256217 11949728 12864248 13656832 22512434 23899456 25728496 27313664 45024868 47798912 51456992 78793519 90049736 95597824 102913984 157587038 180099472 191195648 205827968 315174076 360198944 411655936 630348152 720397888 823311872 1260696304 1440795776 2521392608 2881591552 5042785216 5763183104 10085570432 20171140864 40342281728
• Sum of all divisors σ(n): 94222645704
• Sum of proper divisors (its aliquot sum) s(n): 53880363976
• 40342281728 is an abundant number, because the sum of its proper divisors (53880363976) is greater than itself. Its abundance is 13538082248

Bases of 40342281728

• Binary: 100101100100100101100101111000000000₂
• Hexadecimal: 0x964965E00
• Base-36: IJ6R3SW

Squares and roots of 40342281728

• 40342281728 squared (40342281728²) is 1627499695021322665984
• 40342281728 cubed (40342281728³) is 65657051208784277958318570340352
• The square root of 40342281728 is 200853.8815358071
• The cube root of 40342281728 is 3429.6790925649

Scales and comparisons

• 40,342,281,728 seconds is equal to 1,282 years, 39 weeks, 3 days, 13 hours, 22 minutes, 8 seconds.
• To count from 1 to 40,342,281,728 would take you about two thousand, five hundred sixty-five 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 40342281728 cubic inches would be around 285.8 feet tall.

Recreational maths with 40342281728

• 40342281728 backwards is 82718224304
• The number of decimal digits it has is: 11
• The sum of 40342281728's digits is 41
• More coming soon!