18221990532912

Names of 18221990532912

• Cardinal: 18221990532912 can be written as Eighteen trillion, two hundred twenty-one billion, nine hundred ninety million, five hundred thirty-two thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 1.8221990532912 × 10¹³

Factors of 18221990532912

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 64

Divisors of 18221990532912

• Number of divisors d(n): 140
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 59 72 108 118 144 177 216 236 354 432 472 531 708 944 1062 1416 1593 2124 2832 3186 3481 4248 6372 6962 8496 10443 12744 13924 20886 25488 27848 31329 41772 55696 62658 83544 93987 125316 167088 187974 205379 250632 375948 410758 501264 616137 751896 821516 1232274 1503792 1643032 1848411 2464548 3286064 3696822 4929096 5545233 7393644 9858192 11090466 12117361 14787288 22180932 24234722 29574576 36352083 44361864 48469444 72704166 88723728 96938888 109056249 145408332 193877776 218112498 290816664 327168747 436224996 581633328 654337494 714924299 872449992 1308674988 1429848598 1744899984 2144772897 2617349976 2859697196 4289545794 5234699952 5719394392 6434318691 8579091588 11438788784 12868637382 17158183176 19302956073 25737274764 34316366352 38605912146 42180533641 51474549528 77211824292 84361067282 102949099056 126541600923 154423648584 168722134564 253083201846 308847297168 337444269128 379624802769 506166403692 674888538256 759249605538 1012332807384 1138874408307 1518499211076 2024665614768 2277748816614 3036998422152 4555497633228 6073996844304 9110995266456 18221990532912
• Sum of all divisors σ(n): 53205652434040
• Sum of proper divisors (its aliquot sum) s(n): 34983661901128
• 18221990532912 is an abundant number, because the sum of its proper divisors (34983661901128) is greater than itself. Its abundance is 16761671368216

Bases of 18221990532912

• Binary: 100001001001010100011010001011101011100110000₂
• Hexadecimal: 0x1092A345D730
• Base-36: 6GJ2EOOC0

Squares and roots of 18221990532912

• 18221990532912 squared (18221990532912²) is 332040938981534553755199744
• 18221990532912 cubed (18221990532912³) is 6050446846660733697709254293961565974528
• The square root of 18221990532912 is 4268722.3536922615
• The cube root of 18221990532912 is 26314.7110481043
• Being both a perfect square and a perfect cube, 18221990532912 is also a perfect sixth number.

Scales and comparisons

• 18,221,990,532,912 seconds is equal to 579,402 years, 48 weeks, 4 days, 4 hours, 55 minutes, 12 seconds.
• To count from 1 to 18,221,990,532,912 would take you about one million, four hundred forty-eight thousand, five hundred seven 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 18221990532912 cubic inches would be around 2192.9 feet tall.

Recreational maths with 18221990532912

• 18221990532912 backwards is 21923509912281
• 18221990532912 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18221990532912's digits is 54
• More coming soon!