18001136485544

Names of 18001136485544

• Cardinal: 18001136485544 can be written as Eighteen trillion, one billion, one hundred thirty-six million, four hundred eighty-five thousand, five hundred forty-four.

Scientific notation

• Scientific notation: 1.8001136485544 × 10¹³

Factors of 18001136485544

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 916

Divisors of 18001136485544

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 8 37 74 148 296 877 1369 1754 2738 3508 5476 7016 10952 32449 50653 64898 101306 129796 202612 259592 405224 1200613 1874161 2401226 3748322 4802452 7496644 9604904 14993288 44422681 69343957 88845362 138687914 177690724 277375828 355381448 554751656 1643639197 2565726409 3287278394 5131452818 6574556788 10262905636 13149113576 20525811272 60814650289 121629300578 243258601156 486517202312 2250142060693 4500284121386 9000568242772 18001136485544
• Sum of all divisors σ(n): 34729245050790
• Sum of proper divisors (its aliquot sum) s(n): 16728108565246
• 18001136485544 is a deficient number, because the sum of its proper divisors (16728108565246) is less than itself. Its deficiency is 1273027920298

Bases of 18001136485544

• Binary: 100000101111100110111010110001000010010101000₂
• Hexadecimal: 0x105F375884A8
• Base-36: 6DPLVVYQW

Squares and roots of 18001136485544

• 18001136485544 squared (18001136485544²) is 324040914771183391720975936
• 18001136485544 cubed (18001136485544³) is 5833104733696603036970030626432835869184
• The square root of 18001136485544 is 4242774.6211110483
• The cube root of 18001136485544 is 26207.9654924643

Scales and comparisons

• 18,001,136,485,544 seconds is equal to 572,380 years, 23 weeks, 6 days, 2 hours, 25 minutes, 44 seconds.
• To count from 1 to 18,001,136,485,544 would take you about one million, four hundred thirty thousand, nine hundred fifty-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 18001136485544 cubic inches would be around 2184 feet tall.

Recreational maths with 18001136485544

• 18001136485544 backwards is 44558463110081
• The number of decimal digits it has is: 14
• The sum of 18001136485544's digits is 50
• More coming soon!