142438215591

Names of 142438215591

• Cardinal: 142438215591 can be written as One hundred forty-two billion, four hundred thirty-eight million, two hundred fifteen thousand, five hundred ninety-one.

Scientific notation

• Scientific notation: 1.42438215591 × 10¹¹

Factors of 142438215591

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1376

Divisors of 142438215591

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 19 21 49 57 63 103 133 147 151 171 309 399 441 453 721 927 931 1057 1093 1197 1359 1957 2163 2793 2869 3171 3279 5047 5871 6489 7399 7651 8379 8607 9513 9837 13699 15141 15553 17613 20083 20767 22197 22953 25821 41097 45423 46659 53557 60249 62301 66591 68859 95893 108871 112579 123291 139977 140581 145369 160671 165043 180747 186903 287679 295507 326613 337737 421743 436107 482013 495129 762097 788053 863037 886521 979839 1013211 1017583 1155301 1265229 1308321 1485387 2068549 2139001 2286291 2364159 2659563 3052749 3135817 3465903 5516371 6205647 6417003 6858873 7092477 8087107 9158247 9407451 10397709 14479843 14973007 16549113 16999429 18616941 19251009 21950719 24261321 28222353 43439529 44919021 49647339 50998287 65852157 72783963 104811049 118996003 130318587 134757063 152994861 153655033 197556471 314433147 322989151 356988009 460965099 832972021 943299441 968967453 1070964027 1382895297 2260924057 2498916063 2906902359 6782772171 7496748189 15826468399 20348316513 47479405197 142438215591
• Sum of all divisors σ(n): 256296368640
• Sum of proper divisors (its aliquot sum) s(n): 113858153049
• 142438215591 is a deficient number, because the sum of its proper divisors (113858153049) is less than itself. Its deficiency is 28580062542

Bases of 142438215591

• Binary: 10000100101001111110101010111110100111₂
• Hexadecimal: 0x2129FAAFA7
• Base-36: 1TFO1AJR

Squares and roots of 142438215591

• 142438215591 squared (142438215591²) is 20288645260748195479281
• 142438215591 cubed (142438215591³) is 2889878427699771877642038651670071
• The square root of 142438215591 is 377409.8774422843
• The cube root of 142438215591 is 5222.4646395161

Scales and comparisons

• 142,438,215,591 seconds is equal to 4,529 years, 4 weeks, 6 days, 10 hours, 59 minutes, 51 seconds.
• To count from 1 to 142,438,215,591 would take you about nine thousand and fifty-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 142438215591 cubic inches would be around 435.2 feet tall.

Recreational maths with 142438215591

• 142438215591 backwards is 195512834241
• The number of decimal digits it has is: 12
• The sum of 142438215591's digits is 45
• More coming soon!