1338234928786461990

Names of 1338234928786461990

• Cardinal: 1338234928786461990 can be written as One quintillion, three hundred thirty-eight quadrillion, two hundred thirty-four trillion, nine hundred twenty-eight billion, seven hundred eighty-six million, four hundred sixty-one thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.33823492878646199 × 10¹⁸

Factors of 1338234928786461990

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 54030777864

Divisors of 1338234928786461990

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 5 6 10 15 30 825613 1651226 2476839 4128065 4953678 8256130 12384195 24768390 54029952241 108059904482 162089856723 270149761205 324179713446 540299522410 810449283615 1620898567230 44607830959548733 89215661919097466 133823492878646199 223039154797743665 267646985757292398 446078309595487330 669117464393230995 1338234928786461990
• Sum of all divisors σ(n): 3211767719303514336
• Sum of proper divisors (its aliquot sum) s(n): 1873532790517052346
• 1338234928786461990 is an abundant number, because the sum of its proper divisors (1873532790517052346) is greater than itself. Its abundance is 535297861730590356

Bases of 1338234928786461990

• Binary: 1001010010010010111011001001111010100010101100101010100100110₂
• Hexadecimal: 0x12925D93D4565526
• Base-36: A60SOV71INMU

Squares and roots of 1338234928786461990

• 1338234928786461990 squared (1338234928786461990²) is 1790872724624106993743295901714760100
• 1338234928786461990 cubed (1338234928786461990³) is 2396608433102958976680953229786217102982207440618599000
• The square root of 1338234928786461990 is 1156821044.4085385803
• The cube root of 1338234928786461990 is 1101989.4929039221

Scales and comparisons

• 1,338,234,928,786,461,990 seconds is equal to 42,551,731,302 years, 51 weeks, 2 days, 18 hours, 6 minutes, 30 seconds.
• To count from 1 to 1,338,234,928,786,461,990 would take you about one hundred forty-eight billion, nine hundred thirty-one million, fifty-nine thousand, five hundred sixty 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 1338234928786461990 cubic inches would be around 91832.5 feet tall.

Recreational maths with 1338234928786461990

• 1338234928786461990 backwards is 0991646878294328331
• The number of decimal digits it has is: 19
• The sum of 1338234928786461990's digits is 93
• More coming soon!