1638137929326

Names of 1638137929326

• Cardinal: 1638137929326 can be written as One trillion, six hundred thirty-eight billion, one hundred thirty-seven million, nine hundred twenty-nine thousand, three hundred twenty-six.

Scientific notation

• Scientific notation: 1.638137929326 × 10¹²

Factors of 1638137929326

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 622304

Divisors of 1638137929326

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 19 38 57 114 24019 48038 72057 144114 456361 598261 912722 1196522 1369083 1794783 2738166 3589566 11366959 22733918 34100877 68201754 14369630959 28739261918 43108892877 86217785754 273022988221 546045976442 819068964663 1638137929326
• Sum of all divisors σ(n): 3448860777600
• Sum of proper divisors (its aliquot sum) s(n): 1810722848274
• 1638137929326 is an abundant number, because the sum of its proper divisors (1810722848274) is greater than itself. Its abundance is 172584918948

Bases of 1638137929326

• Binary: 10111110101101000101000010001111001101110₂
• Hexadecimal: 0x17D68A11E6E
• Base-36: KWJT0ZU6

Squares and roots of 1638137929326

• 1638137929326 squared (1638137929326²) is 2683495875496474970814276
• 1638137929326 cubed (1638137929326³) is 4395936376840657010901884370759857976
• The square root of 1638137929326 is 1279897.6245489323
• The cube root of 1638137929326 is 11788.2721966257

Scales and comparisons

• 1,638,137,929,326 seconds is equal to 52,087 years, 37 weeks, 2 days, 17 hours, 42 minutes, 6 seconds.
• To count from 1 to 1,638,137,929,326 would take you about one hundred thirty thousand, two hundred nineteen 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 1638137929326 cubic inches would be around 982.4 feet tall.

Recreational maths with 1638137929326

• 1638137929326 backwards is 6239297318361
• The number of decimal digits it has is: 13
• The sum of 1638137929326's digits is 60
• More coming soon!