13138406442

Names of 13138406442

• Cardinal: 13138406442 can be written as Thirteen billion, one hundred thirty-eight million, four hundred six thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 1.3138406442 × 10¹⁰

Factors of 13138406442

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1195

Divisors of 13138406442

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 29 37 42 54 58 63 74 87 111 126 174 189 203 222 259 261 333 378 406 518 522 609 666 777 783 841 999 1073 1117 1218 1554 1566 1682 1827 1998 2146 2234 2331 2523 3219 3351 3654 4662 5046 5481 5887 6438 6702 6993 7511 7569 7819 9657 10053 10962 11774 13986 15022 15138 15638 17661 19314 20106 22533 22707 23457 28971 30159 31117 32393 35322 41329 45066 45414 46914 52983 57942 60318 62234 64786 67599 70371 82658 93351 97179 105966 123987 135198 140742 158949 186702 194358 202797 211113 217819 226751 247974 280053 289303 291537 317898 371961 405594 422226 435638 453502 560106 578606 583074 653457 680253 743922 840159 867909 874611 939397 1115883 1198541 1306914 1360506 1680318 1735818 1749222 1878794 1960371 2040759 2231766 2397082 2603727 2818191 3595623 3920742 4081518 5207454 5636382 5881113 6122277 6575779 7191246 7811181 8389787 8454573 10786869 11762226 12244554 13151558 15622362 16779574 16909146 19727337 21573738 25169361 25363719 32360607 34757689 39454674 50338722 50727438 59182011 64721214 69515378 75508083 104273067 118364022 151016166 177546033 208546134 226524249 243303823 312819201 355092066 453048498 486607646 625638402 729911469 938457603 1459822938 1876915206 2189734407 4379468814 6569203221 13138406442
• Sum of all divisors σ(n): 35523421440
• Sum of proper divisors (its aliquot sum) s(n): 22385014998
• 13138406442 is an abundant number, because the sum of its proper divisors (22385014998) is greater than itself. Its abundance is 9246608556

Bases of 13138406442

• Binary: 1100001111000111000010110000101010₂
• Hexadecimal: 0x30F1C2C2A
• Base-36: 61A9NAI

Squares and roots of 13138406442

• 13138406442 squared (13138406442²) is 172617723835187099364
• 13138406442 cubed (13138406442³) is 2267921814839599132559271702888
• The square root of 13138406442 is 114622.8879500077
• The cube root of 13138406442 is 2359.6498595979

Scales and comparisons

• 13,138,406,442 seconds is equal to 417 years, 39 weeks, 3 days, 21 hours, 20 minutes, 42 seconds.
• To count from 1 to 13,138,406,442 would take you about eight hundred thirty-five 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 13138406442 cubic inches would be around 196.6 feet tall.

Recreational maths with 13138406442

• 13138406442 backwards is 24460483131
• The number of decimal digits it has is: 11
• The sum of 13138406442's digits is 36
• More coming soon!