12730712540

Names of 12730712540

• Cardinal: 12730712540 can be written as Twelve billion, seven hundred thirty million, seven hundred twelve thousand, five hundred forty.

Scientific notation

• Scientific notation: 1.273071254 × 10¹⁰

Factors of 12730712540

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 245

Divisors of 12730712540

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 26 28 35 49 52 65 70 79 91 98 130 139 140 158 169 182 196 245 260 278 316 338 343 364 395 455 490 553 556 637 676 686 695 790 845 910 973 980 1027 1106 1183 1274 1372 1390 1580 1690 1715 1807 1820 1946 2054 2212 2366 2548 2765 2780 3185 3380 3430 3614 3871 3892 4108 4459 4732 4865 5135 5530 5915 6370 6811 6860 7189 7228 7742 8281 8918 9035 9730 10270 10981 11060 11830 12649 12740 13351 13622 14378 15484 16562 17836 18070 19355 19460 20540 21962 22295 23491 23660 25298 26702 27097 27244 28756 33124 34055 35945 36140 38710 41405 43924 44590 46982 47677 50323 50596 53404 54194 54905 57967 63245 66755 68110 71890 76867 77420 82810 88543 89180 93457 93964 95354 100646 108388 109810 115934 117455 126490 133510 135485 136220 142753 143780 153734 164437 165620 177086 186914 190708 201292 219620 231868 234910 238385 251615 252980 267020 270970 285506 289835 307468 328874 352261 354172 373828 384335 442715 467285 469820 476770 503230 538069 541940 571012 579670 619801 654199 657748 704522 713765 768670 822185 885430 934570 953540 999271 1006460 1076138 1151059 1159340 1239602 1308398 1409044 1427530 1537340 1644370 1761305 1770860 1855789 1869140 1998542 2152276 2302118 2479204 2616796 2690345 2855060 3099005 3270995 3288740 3522610 3711578 3766483 3997084 4579393 4604236 4996355 5380690 5755295 6198010 6541990 6994897 7045220 7423156 7532966 8057413 9158786 9278945 9992710 10761380 11510590 12396020 12990523 13083980 13989794 15065932 16114826 18317572 18557890 18832415 19985420 22896965 23021180 25981046 27979588 32229652 34974485 37115780 37664830 40287065 45793930 48964279 51962092 64952615 69948970 75329660 80574130 90933661 91587860 97928558 129905230 139897940 161148260 181867322 195857116 244821395 259810460 363734644 454668305 489642790 636535627 909336610 979285580 1273071254 1818673220 2546142508 3182678135 6365356270 12730712540
• Sum of all divisors σ(n): 34433280000
• Sum of proper divisors (its aliquot sum) s(n): 21702567460
• 12730712540 is an abundant number, because the sum of its proper divisors (21702567460) is greater than itself. Its abundance is 8971854920

Bases of 12730712540

• Binary: 1011110110110011110100000111011100₂
• Hexadecimal: 0x2F6CF41DC
• Base-36: 5UJJCNW

Squares and roots of 12730712540

• 12730712540 squared (12730712540²) is 162071041776113251600
• 12730712540 cubed (12730712540³) is 2063279843910028844604295064000
• The square root of 12730712540 is 112830.4592740807
• The cube root of 12730712540 is 2334.9857650519

Scales and comparisons

• 12,730,712,540 seconds is equal to 404 years, 41 weeks, 3 days, 5 hours, 2 minutes, 20 seconds.
• To count from 1 to 12,730,712,540 would take you about eight hundred 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 12730712540 cubic inches would be around 194.6 feet tall.

Recreational maths with 12730712540

• 12730712540 backwards is 04521703721
• The number of decimal digits it has is: 11
• The sum of 12730712540's digits is 32
• More coming soon!