18105503903601664

Names of 18105503903601664

• Cardinal: 18105503903601664 can be written as Eighteen quadrillion, one hundred five trillion, five hundred three billion, nine hundred three million, six hundred one thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 1.8105503903601664 × 10¹⁶

Factors of 18105503903601664

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 44795965

Divisors of 18105503903601664

• Number of divisors d(n): 88
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 128 176 256 352 512 704 1024 1408 2816 5632 11264 35911 71822 143644 287288 395021 574576 790042 1149152 1580084 2298304 3160168 4596608 6320336 9193216 12640672 18386432 25281344 36772864 44760041 50562688 89520082 101125376 179040164 202250752 358080328 404501504 492360451 716160656 984720902 1432321312 1969441804 2864642624 3938883608 5729285248 7877767216 11458570496 15755534432 22917140992 31511068864 45834281984 63022137728 126044275456 252088550912 504177101824 1607377832351 3214755664702 6429511329404 12859022658808 17681156155861 25718045317616 35362312311722 51436090635232 70724624623444 102872181270464 141449249246888 205744362540928 282898498493776 411488725081856 565796996987552 822977450163712 1131593993975104 1645954900327424 2263187987950208 4526375975900416 9052751951800832 18105503903601664
• Sum of all divisors σ(n): 39484729441659456
• Sum of proper divisors (its aliquot sum) s(n): 21379225538057792
• 18105503903601664 is an abundant number, because the sum of its proper divisors (21379225538057792) is greater than itself. Its abundance is 3273721634456128

Bases of 18105503903601664

• Binary: 1000000010100101101110000100000101001110101010000000000₂
• Hexadecimal: 0x4052DC20A75400
• Base-36: 4Y9V5O1Y2V4

Squares and roots of 18105503903601664

• 18105503903601664 squared (18105503903601664²) is 327809271603335093209951183568896
• 18105503903601664 cubed (18105503903601664³) is 5935152046651001635519588958067188066311884242944
• The square root of 18105503903601664 is 134556694.0126044565
• The cube root of 18105503903601664 is 262585.1764276459

Scales and comparisons

• 18,105,503,903,601,664 seconds is equal to 575,699,020 years, 6 weeks, 6 days, 17 hours, 21 minutes, 4 seconds.
• To count from 1 to 18,105,503,903,601,664 would take you about one billion, seven hundred twenty-seven million, ninety-seven thousand and sixty 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 18105503903601664 cubic inches would be around 21882.1 feet tall.

Recreational maths with 18105503903601664

• 18105503903601664 backwards is 46610630930550181
• The number of decimal digits it has is: 17
• The sum of 18105503903601664's digits is 58
• More coming soon!