138618549225

Names of 138618549225

• Cardinal: 138618549225 can be written as One hundred thirty-eight billion, six hundred eighteen million, five hundred forty-nine thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 1.38618549225 × 10¹¹

Factors of 138618549225

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 421

Divisors of 138618549225

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 9 13 15 25 39 41 45 53 65 75 113 117 123 159 193 195 205 225 265 325 339 369 477 533 565 579 585 615 689 795 965 975 1017 1025 1325 1469 1599 1695 1737 1845 2067 2173 2385 2509 2665 2825 2895 2925 3075 3445 3975 4407 4633 4797 4825 5085 5989 6201 6519 7345 7527 7913 7995 8475 8685 9225 10229 10335 10865 11925 12545 13221 13325 13899 14475 17225 17967 19557 21809 22035 22581 23165 23739 23985 25425 28249 29945 30687 31005 32595 36725 37635 39565 39975 41697 43425 51145 51675 53901 54325 60229 62725 65427 66105 69495 71217 77857 84747 89835 92061 97785 102869 109045 110175 112905 115825 118695 119925 132977 141245 149725 153435 155025 162975 180687 188175 196281 197825 208485 233571 245549 254241 255725 269505 283517 301145 308607 327135 330525 347475 356085 389285 398931 419389 423735 449175 460305 488925 514345 542061 545225 564525 593475 664885 700713 706225 736647 767175 850551 894169 903435 925821 981405 1042425 1155877 1167855 1196793 1227745 1258167 1271205 1347525 1417585 1505725 1543035 1635675 1780425 1946425 1994655 2096945 2118675 2209941 2301525 2551653 2571725 2682507 2710305 3192137 3324425 3467631 3503565 3683235 3774501 4252755 4470845 4517175 4629105 4907025 5452057 5779385 5839275 5983965 6138725 6290835 6356025 7087925 7715175 8047521 9576411 9973275 10402893 10484725 11049705 11624197 12758265 13412535 13551525 15026401 15960685 16356171 17338155 17517825 18416175 18872505 21263775 22354225 23145525 27260285 28729233 28896925 29919825 31454175 34872591 40237605 45079203 47390957 47882055 49068513 52014465 55248525 58120985 63791325 67062675 75132005 79803425 81780855 86690775 94362525 104617773 135237609 136301425 142172871 143646165 174362955 201188025 225396015 236954785 239410275 245342565 260072325 290604925 375660025 408904275 426518613 523088865 616082441 676188045 710864355 718230825 871814775 1126980075 1184773925 1226712825 1848247323 2132593065 2615444325 3080412205 3380940225 3554321775 5544741969 9241236615 10662965325 15402061025 27723709845 46206183075 138618549225
• Sum of all divisors σ(n): 282997574496
• Sum of proper divisors (its aliquot sum) s(n): 144379025271
• 138618549225 is an abundant number, because the sum of its proper divisors (144379025271) is greater than itself. Its abundance is 5760476046

Bases of 138618549225

• Binary: 10000001000110010011110011001111101001₂
• Hexadecimal: 0x20464F33E9
• Base-36: 1ROHWL49

Squares and roots of 138618549225

• 138618549225 squared (138618549225²) is 19215102189243748100625
• 138618549225 cubed (138618549225³) is 2663569588683089761609986815765625
• The square root of 138618549225 is 372315.1208653767
• The cube root of 138618549225 is 5175.3586280905

Scales and comparisons

• 138,618,549,225 seconds is equal to 4,407 years, 33 weeks, 2 days, 8 hours, 33 minutes, 45 seconds.
• To count from 1 to 138,618,549,225 would take you about eight thousand, eight hundred fifteen 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 138618549225 cubic inches would be around 431.3 feet tall.

Recreational maths with 138618549225

• 138618549225 backwards is 522945816831
• The number of decimal digits it has is: 12
• The sum of 138618549225's digits is 54
• More coming soon!