40078088391

Names of 40078088391

• Cardinal: 40078088391 can be written as Forty billion, seventy-eight million, eighty-eight thousand, three hundred ninety-one.

Scientific notation

• Scientific notation: 4.0078088391 × 10¹⁰

Factors of 40078088391

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 288

Divisors of 40078088391

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 11 31 33 41 53 93 121 123 149 159 341 363 447 451 583 1023 1271 1331 1353 1639 1643 1749 2173 3751 3813 3993 4619 4917 4929 4961 6109 6413 6519 7897 11253 13857 13981 14883 18029 18073 18327 19239 23691 23903 41261 41943 50809 54087 54219 54571 67199 67363 70543 71709 86867 123783 152427 153791 163713 189379 198319 198803 201597 202089 211629 244807 260601 262933 323777 461373 558899 568137 594957 596409 734421 739189 740993 788799 955537 971331 1676697 1691701 2083169 2186833 2217567 2222979 2692877 2866611 2892263 3561547 5075103 6147889 6249507 6560499 8078631 8131079 8150923 8676789 10037087 10510907 10684641 18443667 22914859 24393237 24452769 29621647 30111261 31532721 39177017 68744577 88864941 89660153 110407957 117531051 252063449 268980459 325838117 331223871 430947187 756190347 977514351 1214487527 1292841561 3643462581 13359362797 40078088391
• Sum of all divisors σ(n): 63750758400
• Sum of proper divisors (its aliquot sum) s(n): 23672670009
• 40078088391 is a deficient number, because the sum of its proper divisors (23672670009) is less than itself. Its deficiency is 16405418382

Bases of 40078088391

• Binary: 100101010100110101110001100011000111₂
• Hexadecimal: 0x954D718C7
• Base-36: IETGIX3

Squares and roots of 40078088391

• 40078088391 squared (40078088391²) is 1606253169076808968881
• 40078088391 cubed (40078088391³) is 64375556488584217723034286360471
• The square root of 40078088391 is 200195.1257923129
• The cube root of 40078088391 is 3422.1759345543

Scales and comparisons

• 40,078,088,391 seconds is equal to 1,274 years, 18 weeks, 4 days, 18 hours, 19 minutes, 51 seconds.
• To count from 1 to 40,078,088,391 would take you about two thousand, five hundred forty-eight 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 40078088391 cubic inches would be around 285.2 feet tall.

Recreational maths with 40078088391

• 40078088391 backwards is 19388087004
• The number of decimal digits it has is: 11
• The sum of 40078088391's digits is 48
• More coming soon!