12741821820

Names of 12741821820

• Cardinal: 12741821820 can be written as Twelve billion, seven hundred forty-one million, eight hundred twenty-one thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.274182182 × 10¹⁰

Factors of 12741821820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 111157

Divisors of 12741821820

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 28 30 35 36 39 42 45 49 52 60 63 65 70 78 84 90 91 98 105 117 126 130 140 147 156 180 182 195 196 210 234 245 252 260 273 294 315 364 390 420 441 455 468 490 546 585 588 630 637 735 780 819 882 910 980 1092 1170 1260 1274 1365 1470 1638 1764 1820 1911 2205 2340 2548 2730 2940 3185 3276 3822 4095 4410 5460 5733 6370 7644 8190 8820 9555 11466 12740 16380 19110 22932 28665 38220 57330 111127 114660 222254 333381 444508 555635 666762 777889 1000143 1111270 1333524 1444651 1555778 1666905 2000286 2222540 2333667 2889302 3111556 3333810 3889445 4000572 4333953 4667334 5000715 5445223 5778604 6667620 7001001 7223255 7778890 8667906 9334668 10001430 10112557 10890446 11668335 13001859 14002002 14446510 15557780 16335669 17335812 20002860 20225114 21669765 21780892 23336670 26003718 27226115 28004004 28893020 30337671 32671338 35005005 40450228 43339530 46673340 49007007 50562785 52007436 54452230 60675342 65009295 65342676 70010010 70787899 81678345 86679060 91013013 98014014 101125570 108904460 121350684 130018590 140020020 141575798 151688355 163356690 182026026 196028028 202251140 212363697 245035035 260037180 283151596 303376710 326713380 353939495 364052052 424727394 455065065 490070070 606753420 637091091 707878990 849454788 910130130 980140140 1061818485 1274182182 1415757980 1820260260 2123636970 2548364364 3185455455 4247273940 6370910910 12741821820
• Sum of all divisors σ(n): 48419358624
• Sum of proper divisors (its aliquot sum) s(n): 35677536804
• 12741821820 is an abundant number, because the sum of its proper divisors (35677536804) is greater than itself. Its abundance is 22935714984

Bases of 12741821820

• Binary: 1011110111011110001100010101111100₂
• Hexadecimal: 0x2F778C57C
• Base-36: 5UQ5GN0

Squares and roots of 12741821820

• 12741821820 squared (12741821820²) is 162354023292628112400
• 12741821820 cubed (12741821820³) is 2068686036554797127723732568000
• The square root of 12741821820 is 112879.6785076925
• The cube root of 12741821820 is 2335.6647652477

Scales and comparisons

• 12,741,821,820 seconds is equal to 405 years, 7 weeks, 5 days, 18 hours, 57 minutes.
• To count from 1 to 12,741,821,820 would take you about eight hundred ten 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 12741821820 cubic inches would be around 194.6 feet tall.

Recreational maths with 12741821820

• 12741821820 backwards is 02812814721
• 12741821820 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12741821820's digits is 36
• More coming soon!