438216515139

Names of 438216515139

• Cardinal: 438216515139 can be written as Four hundred thirty-eight billion, two hundred sixteen million, five hundred fifteen thousand, one hundred thirty-nine.

Scientific notation

• Scientific notation: 4.38216515139 × 10¹¹

Factors of 438216515139

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1564

Divisors of 438216515139

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 13 17 39 51 169 181 221 257 507 543 663 771 1093 2353 2873 3077 3279 3341 4369 7059 8619 9231 10023 13107 14209 18581 30589 40001 42627 43433 46517 55743 56797 91767 120003 130299 139551 170391 184717 197833 241553 280901 520013 554151 593499 604721 724659 738361 790789 842703 1560039 1814163 2215083 2372367 2571829 3140189 3363161 3651713 4775317 7715487 7861373 9420567 10089483 10280257 10955139 14325951 23584119 30840771 33433777 43721093 47472269 50843081 62079121 100301331 131163279 133643341 142416807 152529243 186237363 400930023 568374209 660960053 807028573 864332377 1705122627 1982880159 2421085719 2592997131 8592480689 11236320901 25777442067 33708962703 146072171713 438216515139
• Sum of all divisors σ(n): 676849328064
• Sum of proper divisors (its aliquot sum) s(n): 238632812925
• 438216515139 is a deficient number, because the sum of its proper divisors (238632812925) is less than itself. Its deficiency is 199583702214

Bases of 438216515139

• Binary: 110011000000111101111010101111001000011₂
• Hexadecimal: 0x6607BD5E43
• Base-36: 5LBASR43

Squares and roots of 438216515139

• 438216515139 squared (438216515139²) is 192033714140569416189321
• 438216515139 cubed (438216515139³) is 84152344999879235943607977686630619
• The square root of 438216515139 is 661979.2407160515
• The cube root of 438216515139 is 7595.6144778127

Scales and comparisons

• 438,216,515,139 seconds is equal to 13,933 years, 48 weeks, 2 days, 9 hours, 45 minutes, 39 seconds.
• To count from 1 to 438,216,515,139 would take you about twenty-seven thousand, eight hundred sixty-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 438216515139 cubic inches would be around 633 feet tall.

Recreational maths with 438216515139

• 438216515139 backwards is 931515612834
• The number of decimal digits it has is: 12
• The sum of 438216515139's digits is 48
• More coming soon!