18400178936916

Names of 18400178936916

• Cardinal: 18400178936916 can be written as Eighteen trillion, four hundred billion, one hundred seventy-eight million, nine hundred thirty-six thousand, nine hundred sixteen.

Scientific notation

• Scientific notation: 1.8400178936916 × 10¹³

Factors of 18400178936916

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 618

Divisors of 18400178936916

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 19 21 28 36 38 42 57 63 76 84 114 126 133 171 228 252 266 342 361 399 532 587 684 722 798 1083 1174 1197 1444 1596 1761 2166 2348 2394 2527 3249 3522 4109 4332 4788 5054 5283 6498 7044 7581 8218 10108 10566 11153 12327 12996 15162 16436 21132 22306 22743 24654 30324 33459 36981 44612 45486 49308 66918 73962 78071 90972 100377 133836 147924 156142 200754 211907 234213 312284 344569 401508 423814 468426 635721 689138 702639 847628 936852 1033707 1271442 1378276 1405278 1483349 1907163 2067414 2411983 2542884 2810556 2966698 3101121 3814326 4134828 4450047 4823966 5933396 6202242 6546811 7235949 7628652 8900094 9647932 12404484 13093622 13350141 14471898 17800188 19640433 21707847 26187244 26700282 28943796 39280866 43415694 45827677 53400564 58921299 78561732 86831388 91655354 117842598 124389409 137483031 183310708 202262003 235685196 248778818 274966062 373168227 404524006 412449093 497557636 549932124 606786009 746336454 809048012 824898186 870725863 1119504681 1213572018 1415834021 1492672908 1649796372 1741451726 1820358027 2239009362 2427144036 2612177589 2831668042 3482903452 3640716054 3842978057 4247502063 4478018724 5224355178 5663336084 7281432108 7685956114 7836532767 8495004126 10448710356 11528934171 12742506189 15371912228 15673065534 16990008252 23057868342 25485012378 26900846399 31346131068 34586802513 46115736684 50970024756 53801692798 69173605026 73016583083 80702539197 107603385596 138347210052 146033166166 161405078394 219049749249 242107617591 292066332332 322810156788 438099498498 484215235182 511116081581 657149247747 876198996996 968430470364 1022232163162 1314298495494 1533348244743 2044464326324 2628596990988 3066696489486 4600044734229 6133392978972 9200089468458 18400178936916
• Sum of all divisors σ(n): 56196742754880
• Sum of proper divisors (its aliquot sum) s(n): 37796563817964
• 18400178936916 is an abundant number, because the sum of its proper divisors (37796563817964) is greater than itself. Its abundance is 19396384881048

Bases of 18400178936916

• Binary: 100001011110000100000001000010001110001010100₂
• Hexadecimal: 0x10BC20211C54
• Base-36: 6ISXBGKT0

Squares and roots of 18400178936916

• 18400178936916 squared (18400178936916²) is 338566584910527219907591056
• 18400178936916 cubed (18400178936916³) is 6229685744414265388176339748548549823296
• The square root of 18400178936916 is 4289542.9752965525
• The cube root of 18400178936916 is 26400.2080145627

Scales and comparisons

• 18,400,178,936,916 seconds is equal to 585,068 years, 40 weeks, 1 day, 23 hours, 48 minutes, 36 seconds.
• To count from 1 to 18,400,178,936,916 would take you about one million, four hundred sixty-two thousand, six hundred seventy-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 18400178936916 cubic inches would be around 2200 feet tall.

Recreational maths with 18400178936916

• 18400178936916 backwards is 61963987100481
• 18400178936916 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18400178936916's digits is 63
• More coming soon!