138695745825

Names of 138695745825

• Cardinal: 138695745825 can be written as One hundred thirty-eight billion, six hundred ninety-five million, seven hundred forty-five thousand, eight hundred twenty-five.

Scientific notation

• Scientific notation: 1.38695745825 × 10¹¹

Factors of 138695745825

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 284

Divisors of 138695745825

• Number of divisors d(n): 480
• Complete list of divisors:
  1 3 5 7 9 13 15 21 25 27 29 35 39 45 49 63 65 75 87 91 105 117 135 145 147 175 189 195 203 225 227 245 261 273 315 325 343 351 377 435 441 455 525 585 609 637 675 681 725 735 783 819 945 975 1015 1029 1131 1135 1225 1305 1323 1365 1421 1575 1589 1715 1755 1827 1885 1911 2043 2175 2205 2275 2401 2457 2639 2925 2951 3045 3087 3185 3393 3405 3675 3915 4095 4263 4459 4725 4767 5075 5145 5481 5655 5675 5733 6129 6525 6583 6615 6825 7105 7203 7917 7945 8575 8775 8853 9135 9261 9425 9555 9947 10179 10215 11025 11123 12005 12285 12789 13195 13377 14301 14755 15225 15435 15925 16965 17025 17199 18473 19575 19749 20475 20657 21315 21609 22295 23751 23835 25725 26559 27405 28275 28665 29841 30645 31213 32915 33075 33369 35525 36015 38367 39585 39725 40131 42903 44265 45675 46081 46305 47775 49735 50895 51075 55419 55615 59247 60025 61425 61971 63945 64827 65975 66885 69629 71253 71505 73775 77175 77861 79677 84825 85579 85995 89523 92365 93639 98745 100107 103285 106575 108045 111475 118755 119175 120393 129311 132795 137025 138243 143325 144599 149205 153225 156065 164575 166257 166845 177741 180075 185913 191835 197925 200655 208887 214515 221325 230405 231525 233583 248675 254475 256737 268569 277095 278075 280917 296235 300321 309855 319725 322567 324135 334425 348145 356265 357525 387933 389305 398385 414729 427895 429975 433797 447615 461825 468195 493725 498771 500535 516425 540225 545027 557739 593775 599053 601965 626661 646555 663975 691215 700749 722995 746025 770211 780325 831285 834225 842751 888705 905177 929565 959175 967701 1003275 1012193 1044435 1072575 1152025 1163799 1167915 1244187 1283685 1301391 1342845 1385475 1404585 1481175 1501605 1549275 1612835 1620675 1635081 1740725 1781325 1797159 1879983 1939665 1946525 1991925 2073645 2102247 2139475 2168985 2238075 2257969 2310633 2340975 2493855 2502675 2715531 2725135 2788695 2903103 2995265 3009825 3036579 3133305 3232775 3456075 3491397 3503745 3614975 3851055 3904173 4156425 4193371 4213755 4443525 4525885 4647825 4838505 4905243 5060965 5222175 5391477 5818995 5839575 6220935 6418425 6506955 6714225 6773907 7022925 7085351 7508025 8064175 8146593 8175405 8709309 8985795 9109737 9399915 9698325 10368225 10511235 10844925 11289845 11553165 12469275 12580113 13577655 13625675 13943475 14515515 14715729 14976325 15182895 15666525 15805783 16174431 17456985 17518725 19255275 19520865 20321721 20966855 21068775 21256053 22629425 24192525 24439779 24526215 25304825 26957385 27329211 29094975 29353597 31104675 32534775 33869535 35426755 37740339 40732965 40877025 43546545 44928975 45548685 46999575 47417349 52556175 56449225 57765825 60965163 62900565 63768159 67888275 72577575 73578645 75914475 79028915 80872155 87284925 88060791 97604325 101608605 104834275 106280265 113221017 122198895 122631075 134786925 136646055 142252047 146767985 169347675 177133775 188701695 191304477 203664825 205475179 217732725 227743425 237086745 264182373 304825815 314502825 318840795 367893225 395144575 404360775 426756141 440303955 508043025 531401325 566105085 610994475 616425537 683230275 711260235 733839925 792547119 943508475 956522385 1027375895 1185433725 1320911865 1524129075 1594203975 1849276611 2133780705 2201519775 2830525425 3082127685 3556301175 3962735595 4782611925 5136879475 5547829833 6604559325 9246383055 10668903525 15410638425 19813677975 27739149165 46231915275 138695745825
• Sum of all divisors σ(n): 332597462400
• Sum of proper divisors (its aliquot sum) s(n): 193901716575
• 138695745825 is an abundant number, because the sum of its proper divisors (193901716575) is greater than itself. Its abundance is 55205970750

Bases of 138695745825

• Binary: 10000001001010111010010010000100100001₂
• Hexadecimal: 0x204AE92121
• Base-36: 1RPRV6E9

Squares and roots of 138695745825

• 138695745825 squared (138695745825²) is 19236509909953004930625
• 138695745825 cubed (138695745825³) is 2668022089030935609552936758390625
• The square root of 138695745825 is 372418.7774871187
• The cube root of 138695745825 is 5176.3191680059

Scales and comparisons

• 138,695,745,825 seconds is equal to 4,410 years, 4 weeks, 6 days, 20 hours, 3 minutes, 45 seconds.
• To count from 1 to 138,695,745,825 would take you about eight thousand, eight hundred twenty 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 138695745825 cubic inches would be around 431.4 feet tall.

Recreational maths with 138695745825

• 138695745825 backwards is 528547596831
• 138695745825 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138695745825's digits is 63
• More coming soon!