18421269626746

Names of 18421269626746

• Cardinal: 18421269626746 can be written as Eighteen trillion, four hundred twenty-one billion, two hundred sixty-nine million, six hundred twenty-six thousand, seven hundred forty-six.

Scientific notation

• Scientific notation: 1.8421269626746 × 10¹³

Factors of 18421269626746

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 469458

Divisors of 18421269626746

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 7 14 1259 2243 2518 4486 8813 15701 17626 31402 465947 931894 2823937 3261629 5647874 6523258 19767559 39535118 586627273 1045119121 1173254546 2090238242 4106390911 7315833847 8212781822 14631667694 1315804973339 2631609946678 9210634813373 18421269626746
• Sum of all divisors σ(n): 31618560314880
• Sum of proper divisors (its aliquot sum) s(n): 13197290688134
• 18421269626746 is a deficient number, because the sum of its proper divisors (13197290688134) is less than itself. Its deficiency is 5223978938612

Bases of 18421269626746

• Binary: 100001100000100001001001110110111111101111010₂
• Hexadecimal: 0x10C1093B7F7A
• Base-36: 6J2M4B98A

Squares and roots of 18421269626746

• 18421269626746 squared (18421269626746²) is 339343174661274714158548516
• 18421269626746 cubed (18421269626746³) is 6251132116431302738668012862800452208936
• The square root of 18421269626746 is 4292000.6554922613
• The cube root of 18421269626746 is 26410.2909961411

Scales and comparisons

• 18,421,269,626,746 seconds is equal to 585,739 years, 20 weeks, 3 days, 4 hours, 45 minutes, 46 seconds.
• To count from 1 to 18,421,269,626,746 would take you about one million, four hundred sixty-four thousand, three hundred forty-eight 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 18421269626746 cubic inches would be around 2200.9 feet tall.

Recreational maths with 18421269626746

• 18421269626746 backwards is 64762696212481
• The number of decimal digits it has is: 14
• The sum of 18421269626746's digits is 64
• More coming soon!