31728074809840

Names of 31728074809840

• Cardinal: 31728074809840 can be written as Thirty-one trillion, seven hundred twenty-eight billion, seventy-four million, eight hundred nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 3.172807480984 × 10¹³

Factors of 31728074809840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 50102

Divisors of 31728074809840

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 43 80 86 172 215 344 430 688 860 1720 1849 3440 3698 4733 7396 9245 9466 14792 18490 18932 23665 29584 36980 37864 45319 47330 73960 75728 90638 94660 147920 181276 189320 203519 226595 362552 378640 407038 453190 725104 814076 906380 1017595 1628152 1812760 1948717 2035190 3256304 3625520 3897434 4070380 7794868 8140760 8751317 9743585 15589736 16281520 17502634 19487170 31179472 35005268 38974340 43756585 70010536 77948680 83794831 87513170 140021072 155897360 167589662 175026340 214494827 335179324 350052680 418974155 428989654 670358648 700105360 837948310 857979308 1072474135 1340717296 1675896620 1715958616 2144948270 3351793240 3431917232 4289896540 6703586480 8579793080 9223277561 17159586160 18446555122 36893110244 46116387805 73786220488 92232775610 147572440976 184465551220 368931102440 396600935123 737862204880 793201870246 1586403740492 1983004675615 3172807480984 3966009351230 6345614961968 7932018702460 15864037404920 31728074809840
• Sum of all divisors σ(n): 75540823158240
• Sum of proper divisors (its aliquot sum) s(n): 43812748348400
• 31728074809840 is an abundant number, because the sum of its proper divisors (43812748348400) is greater than itself. Its abundance is 12084673538560

Bases of 31728074809840

• Binary: 111001101101101000100101000001110000111110000₂
• Hexadecimal: 0x1CDB44A0E1F0
• Base-36: B8VOCJP4G

Squares and roots of 31728074809840

• 31728074809840 squared (31728074809840²) is 1006670731138803552160825600
• 31728074809840 cubed (31728074809840³) is 31939724266448288279870203219817403904000
• The square root of 31728074809840 is 5632767.9527777461
• The cube root of 31728074809840 is 31657.8371180607

Scales and comparisons

• 31,728,074,809,840 seconds is equal to 1,008,854 years, 33 weeks, 1 day, 1 hour, 50 minutes, 40 seconds.
• To count from 1 to 31,728,074,809,840 would take you about two million, five hundred twenty-two thousand, one hundred thirty-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 31728074809840 cubic inches would be around 2638.2 feet tall.

Recreational maths with 31728074809840

• 31728074809840 backwards is 04890847082713
• The number of decimal digits it has is: 14
• The sum of 31728074809840's digits is 61
• More coming soon!