138371786343

Names of 138371786343

• Cardinal: 138371786343 can be written as One hundred thirty-eight billion, three hundred seventy-one million, seven hundred eighty-six thousand, three hundred forty-three.

Scientific notation

• Scientific notation: 1.38371786343 × 10¹¹

Factors of 138371786343

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1124

Divisors of 138371786343

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 19 21 49 57 63 133 137 147 149 171 399 411 441 447 809 931 959 1043 1197 1233 1341 2427 2603 2793 2831 2877 3129 5663 6713 7281 7301 7809 8379 8493 8631 9387 15371 16989 18221 19817 20139 20413 21903 23427 25479 39641 46113 50967 54663 59451 60417 61239 65709 107597 110833 118923 120541 127547 138339 138719 142891 163989 178353 183717 322791 332499 356769 361623 382641 387847 416157 428673 753179 775831 843787 968373 997497 1000237 1084869 1147923 1163541 1248471 1286019 2105827 2259537 2290279 2327493 2531361 2714929 3000711 3490623 5430817 5906509 6317481 6778611 6870837 6982479 7594083 8144787 9002133 14740789 16031953 16292451 16514117 17719527 18952443 19004503 20612511 24434361 44222367 48095859 48877353 49542351 53158581 57013509 103185523 112223671 115598819 132667101 144287577 148627053 171040527 309556569 313768223 336671013 346796457 809191733 928669707 941304669 1010013039 1040389371 2196377561 2427575199 2823914007 6589132683 7282725597 15374642927 19767398049 46123928781 138371786343
• Sum of all divisors σ(n): 248486940000
• Sum of proper divisors (its aliquot sum) s(n): 110115153657
• 138371786343 is a deficient number, because the sum of its proper divisors (110115153657) is less than itself. Its deficiency is 28256632686

Bases of 138371786343

• Binary: 10000000110111100110011110011001100111₂
• Hexadecimal: 0x203799E667
• Base-36: 1RKEZLNR

Squares and roots of 138371786343

• 138371786343 squared (138371786343²) is 19146751255752841313649
• 138371786343 cubed (138371786343³) is 2649370173923599107867422877695607
• The square root of 138371786343 is 371983.5834321187
• The cube root of 138371786343 is 5172.2858191171

Scales and comparisons

• 138,371,786,343 seconds is equal to 4,399 years, 41 weeks, 2 days, 7 hours, 19 minutes, 3 seconds.
• To count from 1 to 138,371,786,343 would take you about eight thousand, seven hundred ninety-nine 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 138371786343 cubic inches would be around 431 feet tall.

Recreational maths with 138371786343

• 138371786343 backwards is 343687173831
• The number of decimal digits it has is: 12
• The sum of 138371786343's digits is 54
• More coming soon!