138240709425

Names of 138240709425

• Cardinal: 138240709425 can be written as One hundred thirty-eight billion, two hundred forty million, seven hundred nine thousand, four hundred twenty-five.

Scientific notation

• Scientific notation: 1.38240709425 × 10¹¹

Factors of 138240709425

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1776

Divisors of 138240709425

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 5 7 9 13 15 21 25 27 35 39 45 63 65 75 81 91 105 117 135 175 189 195 225 273 315 325 351 405 455 525 567 585 675 757 819 945 975 991 1053 1365 1575 1755 2025 2271 2275 2457 2835 2925 2973 3785 4095 4725 4955 5265 5299 6813 6825 6937 7371 8775 8919 9841 11355 12285 12883 14175 14865 15897 18925 20439 20475 20811 24775 26325 26495 26757 29523 34065 34685 36855 38649 44595 47691 49205 56775 61317 61425 62433 64415 68887 74325 79485 80271 88569 90181 102195 104055 115947 132475 133785 143073 147615 170325 173425 184275 187299 193245 206661 222975 238455 246025 265707 270543 306585 312165 322075 344435 347841 397425 401355 429219 442845 450905 510975 520275 561897 579735 619983 668925 715365 738075 750187 797121 811629 936495 966225 1033305 1043523 1192275 1328535 1352715 1532925 1560825 1722175 1739205 1859949 2006775 2146095 2214225 2250561 2254525 2434887 2809485 2898675 3099915 3576825 3750935 3985605 4058145 4682475 5166525 5217615 5251309 5579847 6642675 6751683 6763575 7304661 8696025 9299745 9752431 10730475 11252805 12174435 14047425 15499575 15753927 18754675 19928025 20255049 20290725 26088075 26256545 27899235 29257293 33758415 36523305 46498725 47261781 48762155 56264025 60765147 60872175 68267017 78769635 87771879 101275245 131282725 139496175 141785343 146286465 168792075 182616525 204801051 236308905 243810775 263315637 303825735 341335085 393848175 425356029 438859395 506376225 614403153 708926715 731432325 789946911 1024005255 1181544525 1316578185 1519128675 1706675425 1843209459 2126780145 2194296975 3072015765 3544633575 3949734555 5120026275 5529628377 6582890925 9216047295 10633900725 15360078825 19748672775 27648141885 46080236475 138240709425
• Sum of all divisors σ(n): 315897336832
• Sum of proper divisors (its aliquot sum) s(n): 177656627407
• 138240709425 is an abundant number, because the sum of its proper divisors (177656627407) is greater than itself. Its abundance is 39415917982

Bases of 138240709425

• Binary: 10000000101111110010011101001100110001₂
• Hexadecimal: 0x202FC9D331
• Base-36: 1RI8Y629

Squares and roots of 138240709425

• 138240709425 squared (138240709425²) is 19110493742327283830625
• 138240709425 cubed (138240709425³) is 2641848212401346867278931541140625
• The square root of 138240709425 is 371807.3552594139
• The cube root of 138240709425 is 5170.6521010257

Scales and comparisons

• 138,240,709,425 seconds is equal to 4,395 years, 32 weeks, 4 days, 5 hours, 3 minutes, 45 seconds.
• To count from 1 to 138,240,709,425 would take you about eight thousand, seven hundred ninety-one 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 138240709425 cubic inches would be around 430.9 feet tall.

Recreational maths with 138240709425

• 138240709425 backwards is 524907042831
• 138240709425 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138240709425's digits is 45
• More coming soon!