138472973782

Names of 138472973782

• Cardinal: 138472973782 can be written as One hundred thirty-eight billion, four hundred seventy-two million, nine hundred seventy-three thousand, seven hundred eighty-two.

Scientific notation

• Scientific notation: 1.38472973782 × 10¹¹

Factors of 138472973782

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 74

Divisors of 138472973782

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 11 13 17 22 26 31 34 62 121 143 187 221 242 286 289 341 374 403 442 527 578 682 806 1054 1573 2057 2431 3146 3179 3751 3757 4114 4433 4862 4913 5797 6358 6851 7502 7514 8866 8959 9826 11594 13702 17918 26741 34969 41327 48763 53482 54043 63767 63869 69938 75361 82654 83521 97526 98549 108086 116467 127534 127738 150722 152303 167042 197098 232934 304606 454597 594473 702559 828971 909194 918731 1084039 1085773 1188946 1281137 1405118 1419857 1657942 1675333 1837462 1979939 2168078 2171546 2562274 2589151 2839714 3350666 3959878 5178302 7728149 10106041 11943503 14092507 15456298 15618427 18428663 18458141 20212082 21779329 23887006 28185014 28480661 31236854 33658963 36857326 36916282 43558658 44015567 56961322 67317926 88031134 131378533 171802697 203039551 239572619 262757066 313287271 343605394 370248593 406079102 479145238 484171237 572202371 626574542 740497186 968342474 1144404742 2233435061 4072734523 4466870122 5325883607 6294226081 8145469046 10651767214 12588452162 69236486891 138472973782
• Sum of all divisors σ(n): 269664909696
• Sum of proper divisors (its aliquot sum) s(n): 131191935914
• 138472973782 is a deficient number, because the sum of its proper divisors (131191935914) is less than itself. Its deficiency is 7281037868

Bases of 138472973782

• Binary: 10000000111101101000011110010111010110₂
• Hexadecimal: 0x203DA1E5D6
• Base-36: 1RM38EDY

Squares and roots of 138472973782

• 138472973782 squared (138472973782²) is 19174764468030459383524
• 138472973782 cubed (138472973782³) is 2655186657457606979392134734767768
• The square root of 138472973782 is 372119.5692005461
• The cube root of 138472973782 is 5173.5462948397

Scales and comparisons

• 138,472,973,782 seconds is equal to 4,403 years, 4 days, 10 hours, 56 minutes, 22 seconds.
• To count from 1 to 138,472,973,782 would take you about eight thousand, eight hundred 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 138472973782 cubic inches would be around 431.1 feet tall.

Recreational maths with 138472973782

• 138472973782 backwards is 287379274831
• The number of decimal digits it has is: 12
• The sum of 138472973782's digits is 61
• More coming soon!