12720440880

Names of 12720440880

• Cardinal: 12720440880 can be written as Twelve billion, seven hundred twenty million, four hundred forty thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.272044088 × 10¹⁰

Factors of 12720440880

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1811

Divisors of 12720440880

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 35 36 40 42 45 48 54 56 60 63 70 72 80 81 84 90 105 108 112 120 126 135 140 144 162 168 173 180 189 210 216 240 252 270 280 315 324 336 346 360 378 405 420 432 504 519 540 560 567 630 648 692 720 756 810 840 865 945 1008 1038 1080 1134 1211 1260 1296 1384 1512 1557 1620 1621 1680 1730 1890 2076 2160 2268 2422 2520 2595 2768 2835 3024 3114 3240 3242 3460 3633 3780 4152 4536 4671 4844 4863 5040 5190 5670 6055 6228 6480 6484 6920 7266 7560 7785 8105 8304 9072 9342 9688 9726 10380 10899 11340 11347 12110 12456 12968 13840 14013 14532 14589 15120 15570 16210 18165 18684 19376 19452 20760 21798 22680 22694 23355 24220 24315 24912 25936 28026 29064 29178 31140 32420 32697 34041 36330 37368 38904 41520 43596 43767 45360 45388 46710 48440 48630 54495 56052 56735 58128 58356 62280 64840 65394 68082 70065 72660 72945 74736 77808 87192 87534 90776 93420 96880 97260 98091 102123 108990 112104 113470 116712 124560 129680 130788 131301 136164 140130 145320 145890 163485 170205 174384 175068 181552 186840 194520 196182 204246 217980 218835 224208 226940 233424 261576 262602 272328 280260 280433 290640 291780 306369 326970 340410 350136 373680 389040 392364 408492 435960 437670 453880 490455 510615 523152 525204 544656 560520 560866 583560 612738 653940 656505 680820 700272 784728 816984 841299 871920 875340 907760 919107 980910 1021230 1050408 1121040 1121732 1167120 1225476 1307880 1313010 1361640 1402165 1531845 1569456 1633968 1682598 1750680 1838214 1961820 1963031 2042460 2100816 2243464 2450952 2523897 2615760 2626020 2723280 2804330 3063690 3365196 3501360 3676428 3923640 3926062 4084920 4206495 4486928 4595535 4901904 5047794 5252040 5608660 5889093 6127380 6730392 7352856 7571691 7847280 7852124 8169840 8412990 9191070 9815155 10095588 10504080 11217320 11778186 12254760 12619485 13460784 14705712 15143382 15704248 16825980 17667279 18382140 19630310 20191176 22434640 22715073 23556372 24509520 25238970 29445465 30286764 31408496 33651960 35334558 36764280 37858455 39260620 40382352 45430146 47112744 50477940 53001837 58890930 60573528 67303920 70669116 73528560 75716910 78521240 88336395 90860292 94225488 100955880 106003674 113575365 117781860 121147056 141338232 151433820 157042480 159005511 176672790 181720584 201911760 212007348 227150730 235563720 265009185 282676464 302867640 318011022 353345580 363441168 424014696 454301460 471127440 530018370 605735280 636022044 706691160 795027555 848029392 908602920 1060036740 1272044088 1413382320 1590055110 1817205840 2120073480 2544088176 3180110220 4240146960 6360220440 12720440880
• Sum of all divisors σ(n): 50814586944
• Sum of proper divisors (its aliquot sum) s(n): 38094146064
• 12720440880 is an abundant number, because the sum of its proper divisors (38094146064) is greater than itself. Its abundance is 25373705184

Bases of 12720440880

• Binary: 1011110110001100101000011000110000₂
• Hexadecimal: 0x2F6328630
• Base-36: 5UDF700

Squares and roots of 12720440880

• 12720440880 squared (12720440880²) is 161809616181575174400
• 12720440880 cubed (12720440880³) is 2058289656453218351230889472000
• The square root of 12720440880 is 112784.9319723163
• The cube root of 12720440880 is 2334.3576087155

Scales and comparisons

• 12,720,440,880 seconds is equal to 404 years, 24 weeks, 3 days, 7 hours, 48 minutes.
• To count from 1 to 12,720,440,880 would take you about eight hundred eight 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 12720440880 cubic inches would be around 194.5 feet tall.

Recreational maths with 12720440880

• 12720440880 backwards is 08804402721
• 12720440880 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12720440880's digits is 36
• More coming soon!