12961016640

Names of 12961016640

• Cardinal: 12961016640 can be written as Twelve billion, nine hundred sixty-one million, sixteen thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.296101664 × 10¹⁰

Factors of 12961016640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2895

Divisors of 12961016640

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 13 15 16 18 20 22 24 26 30 32 33 36 39 40 44 45 48 52 55 60 64 65 66 72 78 80 88 90 96 99 104 110 117 120 121 130 132 143 144 156 160 165 176 180 192 195 198 208 220 234 240 242 260 264 286 288 312 320 330 352 360 363 390 396 416 429 440 468 480 484 495 520 528 572 576 585 605 624 660 704 715 720 726 780 792 832 858 880 936 960 968 990 1040 1056 1089 1144 1170 1210 1248 1287 1320 1430 1440 1452 1560 1573 1584 1716 1760 1815 1872 1936 1980 2080 2112 2145 2178 2288 2340 2420 2496 2574 2640 2860 2861 2880 2904 3120 3146 3168 3432 3520 3630 3744 3872 3960 4160 4290 4356 4576 4680 4719 4840 5148 5280 5445 5720 5722 5808 6240 6292 6336 6435 6864 7260 7488 7744 7865 7920 8580 8583 8712 9152 9360 9438 9680 10296 10560 10890 11440 11444 11616 12480 12584 12870 13728 14157 14305 14520 15730 15840 17160 17166 17424 18720 18876 19360 20592 21780 22880 22888 23232 23595 25168 25740 25749 27456 28314 28610 29040 31460 31471 31680 34320 34332 34848 37193 37440 37752 38720 41184 42915 43560 45760 45776 47190 50336 51480 51498 56628 57220 58080 62920 62942 68640 68664 69696 70785 74386 75504 82368 85830 87120 91552 94380 94413 100672 102960 102996 111579 113256 114440 116160 125840 125884 128745 137280 137328 141570 148772 151008 157355 171660 174240 183104 185965 188760 188826 205920 205992 223158 226512 228880 251680 251768 257490 274656 283140 283239 297544 302016 314710 334737 343320 346181 348480 371930 377520 377652 409123 411840 411984 446316 453024 457760 472065 503360 503536 514980 549312 557895 566280 566478 595088 629420 669474 686640 692362 743860 755040 755304 818246 823968 892632 906048 915520 944130 1007072 1029960 1038543 1115790 1132560 1132956 1190176 1227369 1258840 1338948 1373280 1384724 1416195 1487720 1510080 1510608 1636492 1647936 1673685 1730905 1785264 1888260 2014144 2045615 2059920 2077086 2231580 2265120 2265912 2380352 2454738 2517680 2677896 2746560 2769448 2832390 2975440 3021216 3115629 3272984 3347370 3461810 3570528 3682107 3776520 4091230 4119840 4154172 4463160 4500353 4530240 4531824 4909476 5035360 5192715 5355792 5538896 5664780 5950880 6042432 6136845 6231258 6545968 6694740 6923620 7141056 7364214 7553040 8182460 8239680 8308344 8926320 9000706 9063648 9818952 10070720 10385430 10711584 11077792 11329560 11901760 12273690 12462516 13091936 13389480 13501059 13847240 14728428 15106080 15578145 16364920 16616688 17852640 18001412 18127296 18410535 19637904 20770860 21423168 22155584 22501765 22659120 24547380 24925032 26183872 26778960 27002118 27694480 29456856 30212160 31156290 32729840 33233376 35705280 36002824 36821070 39275808 40503177 41541720 45003530 45318240 49094760 49850064 53557920 54004236 55388960 58913712 62312580 65459680 66466752 67505295 72005648 73642140 78551616 81006354 83083440 90007060 90636480 98189520 99700128 107115840 108008472 110777920 117827424 124625160 130919360 135010590 144011296 147284280 162012708 166166880 180014120 196379040 199400256 202515885 216016944 235654848 249250320 270021180 288022592 294568560 324025416 332333760 360028240 392758080 405031770 432033888 498500640 540042360 589137120 648050832 720056480 810063540 864067776 997001280 1080084720 1178274240 1296101664 1440112960 1620127080 2160169440 2592203328 3240254160 4320338880 6480508320 12961016640
• Sum of all divisors σ(n): 52789509864
• Sum of proper divisors (its aliquot sum) s(n): 39828493224
• 12961016640 is an abundant number, because the sum of its proper divisors (39828493224) is greater than itself. Its abundance is 26867476584

Bases of 12961016640

• Binary: 1100000100100010010110101101000000₂
• Hexadecimal: 0x304896B40
• Base-36: 5YCNKG0

Squares and roots of 12961016640

• 12961016640 squared (12961016640²) is 167987952342356889600
• 12961016640 cubed (12961016640³) is 2177294645628814622924242944000
• The square root of 12961016640 is 113846.4608145549
• The cube root of 12961016640 is 2348.9820030189

Scales and comparisons

• 12,961,016,640 seconds is equal to 412 years, 6 weeks, 1 day, 18 hours, 24 minutes.
• To count from 1 to 12,961,016,640 would take you about eight hundred twenty-four 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 12961016640 cubic inches would be around 195.7 feet tall.

Recreational maths with 12961016640

• 12961016640 backwards is 04661016921
• 12961016640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12961016640's digits is 36
• More coming soon!