18225707066721

Names of 18225707066721

• Cardinal: 18225707066721 can be written as Eighteen trillion, two hundred twenty-five billion, seven hundred seven million, sixty-six thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.8225707066721 × 10¹³

Factors of 18225707066721

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 42304

Divisors of 18225707066721

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 11 21 33 61 63 77 99 183 231 427 549 671 693 1281 2013 3843 4697 6039 14091 17299 24923 42273 51897 74769 121093 155691 174461 190289 224307 274153 363279 523383 570867 822459 1055239 1089837 1332023 1520303 1570149 1712601 1919071 2467377 3165717 3996069 4560909 5757213 7386673 9497151 10642121 11607629 11988207 13682727 16723333 17271639 22160019 31926363 34822887 50169999 66480057 81253403 95779089 104468661 117063331 150509997 243760209 351189993 431142977 731280627 1053569979 1293428931 3018000839 3880286793 4742572747 9054002517 14227718241 26299721597 27162007551 33198009229 42683154723 78899164791 99594027687 184098051179 236697494373 289296937567 298782083061 552294153537 867890812701 1656882460611 2025078562969 2603672438103 6075235688907 18225707066721
• Sum of all divisors σ(n): 33363386035200
• Sum of proper divisors (its aliquot sum) s(n): 15137678968479
• 18225707066721 is a deficient number, because the sum of its proper divisors (15137678968479) is less than itself. Its deficiency is 3088028098242

Bases of 18225707066721

• Binary: 100001001001110000000110010111010010101100001₂
• Hexadecimal: 0x109380CBA561
• Base-36: 6GKRVEW69

Squares and roots of 18225707066721

• 18225707066721 squared (18225707066721²) is 332176398081923797945691841
• 18225707066721 cubed (18225707066721³) is 6054149725919646594109419129091092323361
• The square root of 18225707066721 is 4269157.6530647121
• The cube root of 18225707066721 is 26316.4999647221

Scales and comparisons

• 18,225,707,066,721 seconds is equal to 579,521 years, 5 weeks, 4 days, 15 hours, 25 minutes, 21 seconds.
• To count from 1 to 18,225,707,066,721 would take you about one million, four hundred forty-eight thousand, eight hundred 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 18225707066721 cubic inches would be around 2193 feet tall.

Recreational maths with 18225707066721

• 18225707066721 backwards is 12766070752281
• The number of decimal digits it has is: 14
• The sum of 18225707066721's digits is 54
• More coming soon!