478721728670157

Names of 478721728670157

• Cardinal: 478721728670157 can be written as Four hundred seventy-eight trillion, seven hundred twenty-one billion, seven hundred twenty-eight million, six hundred seventy thousand, one hundred fifty-seven.

Scientific notation

• Scientific notation: 4.78721728670157 × 10¹⁴

Factors of 478721728670157

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 36183

Divisors of 478721728670157

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 7 9 21 27 63 81 189 567 3221 9663 13421 19531 22547 28989 40263 58593 67641 86967 93947 120789 136717 175779 202923 260901 281841 362367 410151 527337 608769 845523 1087101 1230453 1582011 1826307 2536569 3691359 7609707 11074077 43229041 62909351 129687123 188728053 262125551 302603287 389061369 440365457 566184159 786376653 907809861 1167184107 1321096371 1698552477 1834878857 2359129959 2723429583 3501552321 3963289113 5095657431 5504636571 7077389877 8170288749 11889867339 16513909713 21232169631 24510866247 35669602017 49541729139 148625187417 844306399771 2532919199313 5910144798397 7598757597939 17730434395191 22796272793817 53191303185573 68388818381451 159573909556719 478721728670157
• Sum of all divisors σ(n): 817645109491584
• Sum of proper divisors (its aliquot sum) s(n): 338923380821427
• 478721728670157 is a deficient number, because the sum of its proper divisors (338923380821427) is less than itself. Its deficiency is 139798347848730

Bases of 478721728670157

• Binary: 1101100110110010100010110100101010110100111001101₂
• Hexadecimal: 0x1B365169569CD
• Base-36: 4POXQ50RT9

Squares and roots of 478721728670157

• 478721728670157 squared (478721728670157²) is 229174493500943418591702404649
• 478721728670157 cubed (478721728670157³) is 109710809695879294019558840188484021864359893
• The square root of 478721728670157 is 21879710.4338735937
• The cube root of 478721728670157 is 78227.7873806535

Scales and comparisons

• 478,721,728,670,157 seconds is equal to 15,221,870 years, 9 weeks, 5 days, 11 hours, 55 minutes, 57 seconds.
• To count from 1 to 478,721,728,670,157 would take you about thirty-eight million, fifty-four thousand, six hundred seventy-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 478721728670157 cubic inches would be around 6519 feet tall.

Recreational maths with 478721728670157

• 478721728670157 backwards is 751076827127874
• The number of decimal digits it has is: 15
• The sum of 478721728670157's digits is 72
• More coming soon!