18829781474490

Names of 18829781474490

• Cardinal: 18829781474490 can be written as Eighteen trillion, eight hundred twenty-nine billion, seven hundred eighty-one million, four hundred seventy-four thousand, four hundred ninety.

Scientific notation

• Scientific notation: 1.882978147449 × 10¹³

Factors of 18829781474490

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 27147107

Divisors of 18829781474490

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 90 105 126 135 189 210 270 315 367 378 630 734 945 1101 1835 1890 2202 2569 3303 3670 5138 5505 6606 7707 9909 11010 12845 15414 16515 19818 23121 25690 33030 38535 46242 49545 69363 77070 99090 115605 138726 231210 346815 693630 27146723 54293446 81440169 135733615 162880338 190027061 244320507 271467230 380054122 407200845 488641014 570081183 732961521 814401690 950135305 1140162366 1221602535 1465923042 1710243549 1900270610 2443205070 2850405915 3420487098 3664807605 5130730647 5700811830 7329615210 8551217745 9962847341 10261461294 17102435490 19925694682 25653653235 29888542023 49814236705 51307306470 59777084046 69739931387 89665626069 99628473410 139479862774 149442710115 179331252138 209219794161 268996878207 298885420230 348699656935 418439588322 448328130345 537993756414 627659382483 697399313870 896656260690 1046098970805 1255318764966 1344984391035 1882978147449 2092197941610 2689968782070 3138296912415 3765956294898 6276593824830 9414890737245 18829781474490
• Sum of all divisors σ(n): 57542367928320
• Sum of proper divisors (its aliquot sum) s(n): 38712586453830
• 18829781474490 is an abundant number, because the sum of its proper divisors (38712586453830) is greater than itself. Its abundance is 19882804979340

Bases of 18829781474490

• Binary: 100010010000000100110011011111001110010111010₂
• Hexadecimal: 0x1120266F9CBA
• Base-36: 6OAA5PWAI

Squares and roots of 18829781474490

• 18829781474490 squared (18829781474490²) is 354560670377046798520760100
• 18829781474490 cubed (18829781474490³) is 6676299942648471130101972066653559849000
• The square root of 18829781474490 is 4339329.6111830455
• The cube root of 18829781474490 is 26604.0911200877

Scales and comparisons

• 18,829,781,474,490 seconds is equal to 598,728 years, 41 weeks, 6 days, 14 hours, 1 minute, 30 seconds.
• To count from 1 to 18,829,781,474,490 would take you about one million, four hundred ninety-six thousand, eight hundred twenty-two 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 18829781474490 cubic inches would be around 2217 feet tall.

Recreational maths with 18829781474490

• 18829781474490 backwards is 09447418792881
• The number of decimal digits it has is: 14
• The sum of 18829781474490's digits is 72
• More coming soon!