12736887540

Names of 12736887540

• Cardinal: 12736887540 can be written as Twelve billion, seven hundred thirty-six million, eight hundred eighty-seven thousand, five hundred forty.

Scientific notation

• Scientific notation: 1.273688754 × 10¹⁰

Factors of 12736887540

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2900

Divisors of 12736887540

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 20 26 30 31 39 52 60 62 65 78 93 124 130 155 156 186 195 199 260 310 372 390 398 403 465 597 620 780 796 806 930 995 1194 1209 1612 1860 1990 2015 2388 2418 2587 2647 2985 3980 4030 4836 5174 5294 5970 6045 6169 7761 7941 8060 10348 10588 11940 12090 12338 12935 13235 15522 15882 18507 24180 24676 25870 26470 30845 31044 31764 34411 37014 38805 39705 51740 52940 61690 68822 74028 77610 79410 80197 82057 92535 103233 123380 137644 155220 158820 160394 164114 172055 185070 206466 240591 246171 320788 328228 344110 370140 400985 410285 412932 481182 492342 516165 526753 688220 801970 820570 962364 984684 1032330 1053506 1066741 1202955 1230855 1580259 1603940 1641140 2064660 2107012 2133482 2405910 2461710 2633765 3160518 3200223 4266964 4811820 4923420 5267530 5333705 6321036 6400446 6847789 7901295 10535060 10667410 12800892 13695578 15802590 16001115 16329343 20543367 21334820 27391156 31605180 32002230 32658686 34238945 41086734 48988029 64004460 65317372 68477890 81646715 82173468 97976058 102716835 136955780 163293430 195952116 205433670 212281459 244940145 326586860 410867340 424562918 489880290 636844377 849125836 979760580 1061407295 1273688754 2122814590 2547377508 3184221885 4245629180 6368443770 12736887540
• Sum of all divisors σ(n): 39859814400
• Sum of proper divisors (its aliquot sum) s(n): 27122926860
• 12736887540 is an abundant number, because the sum of its proper divisors (27122926860) is greater than itself. Its abundance is 14386039320

Bases of 12736887540

• Binary: 1011110111001011010111101011110100₂
• Hexadecimal: 0x2F72D7AF4
• Base-36: 5UN7PBO

Squares and roots of 12736887540

• 12736887540 squared (12736887540²) is 162228304206607251600
• 12736887540 cubed (12736887540³) is 2066283666484465488577685064000
• The square root of 12736887540 is 112857.8200214765
• The cube root of 12736887540 is 2335.3632303471

Scales and comparisons

• 12,736,887,540 seconds is equal to 404 years, 51 weeks, 4 days, 16 hours, 19 minutes.
• To count from 1 to 12,736,887,540 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 12736887540 cubic inches would be around 194.6 feet tall.

Recreational maths with 12736887540

• 12736887540 backwards is 04578863721
• The number of decimal digits it has is: 11
• The sum of 12736887540's digits is 51
• More coming soon!