138974231655

Names of 138974231655

• Cardinal: 138974231655 can be written as One hundred thirty-eight billion, nine hundred seventy-four million, two hundred thirty-one thousand, six hundred fifty-five.

Scientific notation

• Scientific notation: 1.38974231655 × 10¹¹

Factors of 138974231655

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 851

Divisors of 138974231655

• Number of divisors d(n): 320
• Complete list of divisors:
  1 3 5 7 9 15 19 21 27 35 37 45 57 63 81 95 103 105 111 133 135 171 185 189 259 285 309 315 333 399 405 513 515 555 567 665 677 703 721 777 855 927 945 999 1197 1295 1539 1545 1665 1957 1995 2031 2109 2163 2331 2565 2781 2835 2997 3385 3515 3591 3605 3811 3885 4635 4739 4921 4995 5871 5985 6093 6327 6489 6993 7695 8343 9785 10155 10545 10773 10815 11433 11655 12863 13699 13905 14217 14763 14985 17613 17955 18279 18981 19055 19467 20979 23695 24605 25049 26677 29355 30465 31635 32445 34299 34965 38589 41097 41715 42651 44289 52839 53865 54837 56943 57165 58401 64315 68495 69731 71085 72409 73815 75147 80031 88065 90041 91395 94905 97335 102897 104895 115767 123291 125245 127953 132867 133385 158517 171495 175343 192945 205485 209193 213255 217227 221445 225441 240093 264195 270123 274185 284715 292005 308691 347301 348655 362045 369873 375735 383859 398601 400155 450205 475931 488117 506863 514485 526029 578835 616455 627579 639765 651681 664335 676323 720279 792585 810369 876715 1041903 1045965 1086135 1109619 1127205 1200465 1324889 1350615 1427793 1464351 1520589 1543455 1578087 1736505 1849365 1882737 1919295 1955043 1993005 2028969 2160837 2379655 2431107 2440585 2534315 2580047 2630145 3137895 3258405 3331517 3381615 3601395 3974667 4051845 4283379 4393053 4561767 4734261 5209515 5548095 5648211 5865129 6624445 7138965 7293321 7321755 7602945 7740141 7890435 9274223 9413685 9775215 9994551 10144845 10804185 11924001 12155535 12850137 12900235 13179159 13685301 14202783 16657585 18060329 19873335 21416895 21965265 22808835 23220423 23671305 27822669 28241055 29325645 29983653 35772003 36466605 38550411 38700705 39537477 41055903 46371115 49020893 49972755 54180987 59620005 64250685 65895795 68426505 69661269 71013915 83468007 89950959 90301645 107316009 116102115 139113345 147062679 149918265 162542961 178860015 192752055 197687385 205279515 208983807 245104465 250404021 269852877 270904935 343146251 348306345 417340035 441188037 449754795 487628883 536580045 735313395 751212063 812714805 1029438753 1044919035 1252020105 1323564111 1349264385 1462886649 1715731255 2205940185 2438144415 3088316259 3756060315 3970692333 5147193765 6617820555 7314433245 9264948777 15441581295 19853461665 27794846331 46324743885 138974231655
• Sum of all divisors σ(n): 311245608960
• Sum of proper divisors (its aliquot sum) s(n): 172271377305
• 138974231655 is an abundant number, because the sum of its proper divisors (172271377305) is greater than itself. Its abundance is 33297145650

Bases of 138974231655

• Binary: 10000001011011100000100111110001100111₂
• Hexadecimal: 0x205B827C67
• Base-36: 1RUDO3FR

Squares and roots of 138974231655

• 138974231655 squared (138974231655²) is 19313837064097604039025
• 138974231655 cubed (138974231655³) is 2684125666292825507249924010336375
• The square root of 138974231655 is 372792.4780021721
• The cube root of 138974231655 is 5179.7813453393

Scales and comparisons

• 138,974,231,655 seconds is equal to 4,418 years, 49 weeks, 3 days, 1 hour, 14 minutes, 15 seconds.
• To count from 1 to 138,974,231,655 would take you about eight thousand, eight hundred thirty-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 138974231655 cubic inches would be around 431.6 feet tall.

Recreational maths with 138974231655

• 138974231655 backwards is 556132479831
• The number of decimal digits it has is: 12
• The sum of 138974231655's digits is 54
• More coming soon!