12640391656320

Names of 12640391656320

• Cardinal: 12640391656320 can be written as Twelve trillion, six hundred forty billion, three hundred ninety-one million, six hundred fifty-six thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.264039165632 × 10¹³

Factors of 12640391656320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2030

Divisors of 12640391656320

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 41 48 60 64 80 82 96 120 123 128 160 164 192 205 240 246 320 328 384 410 480 492 615 640 656 820 960 984 1230 1312 1640 1681 1920 1968 1979 2460 2624 3280 3362 3936 3958 4920 5043 5248 5937 6560 6724 7872 7916 8405 9840 9895 10086 11874 13120 13448 15744 15832 16810 19680 19790 20172 23748 25215 26240 26896 29685 31664 33620 39360 39580 40344 47496 50430 53792 59370 63328 67240 78720 79160 80688 81139 94992 100860 107584 118740 126656 134480 158320 161376 162278 189984 201720 215168 237480 243417 253312 268960 316640 322752 324556 379968 403440 405695 474960 486834 537920 633280 645504 649112 759936 806880 811390 949920 973668 1075840 1217085 1266560 1298224 1613760 1622780 1899840 1947336 2434170 2596448 3227520 3245560 3326699 3799680 3894672 3916441 4868340 5192896 6491120 6653398 7789344 7832882 9736680 9980097 10385792 11749323 12982240 13306796 15578688 15665764 16633495 19473360 19582205 19960194 23498646 25964480 26613592 31157376 31331528 33266990 38946720 39164410 39920388 46997292 49900485 51928960 53227184 58746615 62663056 66533980 77893440 78328820 79840776 93994584 99800970 106454368 117493230 125326112 133067960 155786880 156657640 159681552 160574081 187989168 199601940 212908736 234986460 250652224 266135920 313315280 319363104 321148162 375978336 399203880 425817472 469972920 481722243 501304448 532271840 626630560 638726208 642296324 751956672 798407760 802870405 939945840 963444486 1064543680 1253261120 1277452416 1284592648 1503913344 1596815520 1605740810 1879891680 1926888972 2129087360 2408611215 2506522240 2569185296 3193631040 3211481620 3759783360 3853777944 4817222430 5138370592 6387262080 6422963240 6583537321 7519566720 7707555888 9634444860 10276741184 12845926480 13167074642 15415111776 19268889720 19750611963 20553482368 25691852960 26334149284 30830223552 32917686605 38537779440 39501223926 51383705920 52668298568 61660447104 65835373210 77075558880 79002447852 98753059815 102767411840 105336597136 131670746420 154151117760 158004895704 197506119630 210673194272 263341492840 308302235520 316009791408 395012239260 421346388544 526682985680 632019582816 790024478520 842692777088 1053365971360 1264039165632 1580048957040 2106731942720 2528078331264 3160097914080 4213463885440 6320195828160 12640391656320
• Sum of all divisors σ(n): 41318809023960
• Sum of proper divisors (its aliquot sum) s(n): 28678417367640
• 12640391656320 is an abundant number, because the sum of its proper divisors (28678417367640) is greater than itself. Its abundance is 16038025711320

Bases of 12640391656320

• Binary: 10110111111100010010000011011111001110000000₂
• Hexadecimal: 0xB7F120DF380
• Base-36: 4HAWYTRPC

Squares and roots of 12640391656320

• 12640391656320 squared (12640391656320²) is 159779501225164272995942400
• 12640391656320 cubed (12640391656320³) is 2019675474137537693999269002175315968000
• The square root of 12640391656320 is 3555332.8474729339
• The cube root of 12640391656320 is 23294.5062823277

Scales and comparisons

• 12,640,391,656,320 seconds is equal to 401,925 years, 18 weeks, 3 days, 8 hours, 32 minutes.
• To count from 1 to 12,640,391,656,320 would take you about one million, four thousand, eight hundred thirteen 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 12640391656320 cubic inches would be around 1941.2 feet tall.

Recreational maths with 12640391656320

• 12640391656320 backwards is 02365619304621
• 12640391656320 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 12640391656320's digits is 48
• More coming soon!