13687640640

Names of 13687640640

• Cardinal: 13687640640 can be written as Thirteen billion, six hundred eighty-seven million, six hundred forty thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.368764064 × 10¹⁰

Factors of 13687640640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 517

Divisors of 13687640640

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 144 149 160 167 180 191 192 240 288 298 320 334 360 382 447 480 501 573 576 596 668 720 745 764 835 894 955 960 1002 1146 1192 1336 1341 1440 1490 1503 1528 1670 1719 1788 1910 2004 2235 2292 2384 2505 2672 2682 2865 2880 2980 3006 3056 3340 3438 3576 3820 4008 4470 4584 4768 5010 5344 5364 5730 5960 6012 6112 6680 6705 6876 7152 7515 7640 8016 8595 8940 9168 9536 10020 10688 10728 11460 11920 12024 12224 13360 13410 13752 14304 15030 15280 16032 17190 17880 18336 20040 21456 22920 23840 24048 24883 26720 26820 27504 28459 28608 30060 30560 31897 32064 34380 35760 36672 40080 42912 45840 47680 48096 49766 53440 53640 55008 56918 60120 61120 63794 68760 71520 74649 80160 85377 85824 91680 95691 96192 99532 107280 110016 113836 120240 124415 127588 137520 142295 143040 149298 159485 160320 170754 183360 191382 199064 214560 223947 227672 240480 248830 255176 256131 275040 284590 287073 298596 318970 341508 373245 382764 398128 426885 429120 447894 455344 478455 480960 497660 510352 512262 550080 569180 574146 597192 637940 683016 746490 765528 796256 853770 895788 910688 956910 995320 1020704 1024524 1119735 1138360 1148292 1194384 1275880 1280655 1366032 1435365 1492980 1531056 1592512 1707540 1791576 1821376 1913820 1990640 2041408 2049048 2239470 2276720 2296584 2388768 2551760 2561310 2732064 2870730 2985960 3062112 3415080 3583152 3827640 3981280 4098096 4478940 4553440 4593168 4752653 4777536 5103520 5122620 5464128 5741460 5971920 6124224 6830160 7166304 7655280 7962560 8196192 8957880 9106880 9186336 9505306 10207040 10245240 11482920 11943840 13660320 14257959 14332608 15310560 16392384 17915760 18372672 19010612 20490480 22965840 23763265 23887680 27320640 28515918 30621120 35831520 38021224 40980960 42773877 45931680 47526530 57031836 71289795 71663040 76042448 81961920 85547754 91863360 95053060 114063672 142579590 152084896 171095508 190106120 213869385 228127344 285159180 304169792 342191016 380212240 427738770 456254688 570318360 684382032 760424480 855477540 912509376 1140636720 1368764064 1520848960 1710955080 2281273440 2737528128 3421910160 4562546880 6843820320 13687640640
• Sum of all divisors σ(n): 47929190400
• Sum of proper divisors (its aliquot sum) s(n): 34241549760
• 13687640640 is an abundant number, because the sum of its proper divisors (34241549760) is greater than itself. Its abundance is 20553909120

Bases of 13687640640

• Binary: 1100101111110110001101001001000000₂
• Hexadecimal: 0x32FD8D240
• Base-36: 6AD9N40

Squares and roots of 13687640640

• 13687640640 squared (13687640640²) is 187351506289779609600
• 13687640640 cubed (13687640640³) is 2564400091457203001004294144000
• The square root of 13687640640 is 116994.1906250049
• The cube root of 13687640640 is 2392.0827441613

Scales and comparisons

• 13,687,640,640 seconds is equal to 435 years, 11 weeks, 4 days, 18 hours, 24 minutes.
• To count from 1 to 13,687,640,640 would take you about eight hundred seventy 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 13687640640 cubic inches would be around 199.3 feet tall.

Recreational maths with 13687640640

• 13687640640 backwards is 04604678631
• 13687640640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13687640640's digits is 45
• More coming soon!