1989426549915

Names of 1989426549915

• Cardinal: 1989426549915 can be written as One trillion, nine hundred eighty-nine billion, four hundred twenty-six million, five hundred forty-nine thousand, nine hundred fifteen.

Scientific notation

• Scientific notation: 1.989426549915 × 10¹²

Factors of 1989426549915

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 11368

Divisors of 1989426549915

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 7 9 15 21 35 45 49 63 105 147 245 315 343 441 735 1029 1715 2205 3087 5145 11353 15435 34059 56765 79471 102177 170295 238413 397355 510885 556297 715239 1192065 1668891 2781485 3576195 3894079 5006673 8344455 11682237 19470395 25033365 35046711 58411185 128890609 175233555 386671827 644453045 902234263 1160015481 1933359135 2706702789 4511171315 5800077405 6315639841 8120108367 13533513945 18946919523 31578199205 40600541835 44209478887 56840758569 94734597615 132628436661 221047394435 284203792845 397885309983 663142183305 1989426549915
• Sum of all divisors σ(n): 4021741245600
• Sum of proper divisors (its aliquot sum) s(n): 2032314695685
• 1989426549915 is an abundant number, because the sum of its proper divisors (2032314695685) is greater than itself. Its abundance is 42888145770

Bases of 1989426549915

• Binary: 11100111100110011000100000001010010011011₂
• Hexadecimal: 0x1CF3310149B
• Base-36: PDXH7A8R

Squares and roots of 1989426549915

• 1989426549915 squared (1989426549915²) is 3957817997506699986507225
• 1989426549915 cubed (1989426549915³) is 7873788203971248226254045682970635875
• The square root of 1989426549915 is 1410470.3293281287
• The cube root of 1989426549915 is 12576.9684029425

Scales and comparisons

• 1,989,426,549,915 seconds is equal to 63,257 years, 31 weeks, 5 days, 6 hours, 5 minutes, 15 seconds.
• To count from 1 to 1,989,426,549,915 would take you about one hundred fifty-eight thousand, one hundred forty-four 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 1989426549915 cubic inches would be around 1048.1 feet tall.

Recreational maths with 1989426549915

• 1989426549915 backwards is 5199456249891
• The number of decimal digits it has is: 13
• The sum of 1989426549915's digits is 72
• More coming soon!