138210280605

Names of 138210280605

• Cardinal: 138210280605 can be written as One hundred thirty-eight billion, two hundred ten million, two hundred eighty thousand, six hundred five.

Scientific notation

• Scientific notation: 1.38210280605 × 10¹¹

Factors of 138210280605

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 277

Divisors of 138210280605

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 9 15 19 23 29 45 57 61 69 87 95 115 137 145 171 183 207 261 285 305 345 411 435 437 549 551 667 685 841 855 915 1035 1159 1233 1305 1311 1403 1653 1769 2001 2055 2185 2523 2603 2745 2755 3151 3335 3477 3933 3973 4205 4209 4959 5307 5795 6003 6165 6555 7015 7569 7809 8265 8357 8845 9453 10005 10431 11919 12615 12627 12673 13015 15755 15921 15979 17385 19343 19665 19865 21045 23427 24795 25071 26535 26657 28359 30015 33611 35757 37845 38019 39045 40687 41785 47265 47937 51301 52155 58029 59595 59869 63135 63365 75213 75487 79605 79895 79971 91379 96715 100833 114057 115217 117135 122061 125355 133285 141795 143811 153903 158783 168055 174087 178785 179607 190095 192211 203435 226461 239685 239913 242353 256505 274137 290145 299345 302499 345651 366183 367517 376065 377435 399855 456895 461709 476349 504165 538821 570285 576085 576633 610305 679383 719055 727059 769515 773053 793915 822411 870435 898035 961055 974719 1036953 1102551 1132305 1179923 1199565 1211765 1370685 1429047 1512495 1728255 1729899 1736201 1830915 1837585 2181177 2189123 2308545 2319159 2381745 2649991 2694105 2883165 2924157 3307653 3396915 3539769 3635295 3652009 3865265 4112055 4604707 4873595 5184765 5208603 5512755 5574119 5899615 6567369 6957477 7028237 7145235 7949973 8649495 8681005 8772471 10619307 10905885 10945615 10956027 11595795 13249955 13814121 14620785 15625809 16538265 16722357 17698845 18260045 19702107 21084711 22418537 23023535 23849919 26043015 27870595 32836845 32868081 34787385 35141185 39749865 41442363 43862355 50167071 50349829 53096535 54780135 63254133 67255611 69070605 78129045 83611785 98510535 105423555 105908261 112092685 119249595 133536503 151049487 161649451 164340405 201766833 207211815 250835355 251749145 316270665 317724783 336278055 400609509 453148461 484948353 529541305 667682515 755247435 808247255 953174349 1008834165 1201828527 1454845059 1588623915 2003047545 2265742305 2424741765 3071339569 4765871745 6009142635 7274225295 9214018707 15356697845 27642056121 46070093535 138210280605
• Sum of all divisors σ(n): 279013213440
• Sum of proper divisors (its aliquot sum) s(n): 140802932835
• 138210280605 is an abundant number, because the sum of its proper divisors (140802932835) is greater than itself. Its abundance is 2592652230

Bases of 138210280605

• Binary: 10000000101101111110011000010010011101₂
• Hexadecimal: 0x202DF9849D
• Base-36: 1RHQTZ19

Squares and roots of 138210280605

• 138210280605 squared (138210280605²) is 19102081664912839166025
• 138210280605 cubed (138210280605³) is 2640104067047229084003549432445125
• The square root of 138210280605 is 371766.4328647759
• The cube root of 138210280605 is 5170.2726942451

Scales and comparisons

• 138,210,280,605 seconds is equal to 4,394 years, 34 weeks, 2 days, 36 minutes, 45 seconds.
• To count from 1 to 138,210,280,605 would take you about eight thousand, seven hundred eighty-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 138210280605 cubic inches would be around 430.9 feet tall.

Recreational maths with 138210280605

• 138210280605 backwards is 506082012831
• The number of decimal digits it has is: 12
• The sum of 138210280605's digits is 36
• More coming soon!