12820388670840

Names of 12820388670840

• Cardinal: 12820388670840 can be written as Twelve trillion, eight hundred twenty billion, three hundred eighty-eight million, six hundred seventy thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.282038867084 × 10¹³

Factors of 12820388670840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 160174833

Divisors of 12820388670840

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 23 24 29 30 40 46 58 60 69 87 92 115 116 120 138 145 174 184 230 232 276 290 345 348 435 460 552 580 667 690 696 870 920 1160 1334 1380 1740 2001 2668 2760 3335 3480 4002 5336 6670 8004 10005 13340 16008 20010 26680 40020 80040 160174771 320349542 480524313 640699084 800873855 961048626 1281398168 1601747710 1922097252 2402621565 3203495420 3684019733 3844194504 4645068359 4805243130 6406990840 7368039466 9290136718 9610486260 11052059199 13935205077 14736078932 18420098665 18580273436 19220972520 22104118398 23225341795 27870410154 29472157864 36840197330 37160546872 44208236796 46450683590 55260295995 55740820308 69676025385 73680394660 88416473592 92901367180 106836572257 110520591990 111481640616 139352050770 147360789320 185802734360 213673144514 221041183980 278704101540 320509716771 427346289028 442082367960 534182861285 557408203080 641019433542 854692578056 1068365722570 1282038867084 1602548583855 2136731445140 2564077734168 3205097167710 4273462890280 6410194335420 12820388670840
• Sum of all divisors σ(n): 41517300902400
• Sum of proper divisors (its aliquot sum) s(n): 28696912231560
• 12820388670840 is an abundant number, because the sum of its proper divisors (28696912231560) is greater than itself. Its abundance is 15876523560720

Bases of 12820388670840

• Binary: 10111010100011111010101101100110110101111000₂
• Hexadecimal: 0xBA8FAB66D78
• Base-36: 4JLLSEGZC

Squares and roots of 12820388670840

• 12820388670840 squared (12820388670840²) is 164362365671402621866305600
• 12820388670840 cubed (12820388670840³) is 2107189410766111503547056771365248704000
• The square root of 12820388670840 is 3580557.0335968675
• The cube root of 12820388670840 is 23404.5554909785

Scales and comparisons

• 12,820,388,670,840 seconds is equal to 407,648 years, 36 weeks, 4 days, 3 hours, 14 minutes.
• To count from 1 to 12,820,388,670,840 would take you about one million, nineteen thousand, one hundred twenty-one 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 12820388670840 cubic inches would be around 1950.4 feet tall.

Recreational maths with 12820388670840

• 12820388670840 backwards is 04807688302821
• The number of decimal digits it has is: 14
• The sum of 12820388670840's digits is 57
• More coming soon!