90131289827840

Names of 90131289827840

• Cardinal: 90131289827840 can be written as Ninety trillion, one hundred thirty-one billion, two hundred eighty-nine million, eight hundred twenty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 9.013128982784 × 10¹³

Factors of 90131289827840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 14789257

Divisors of 90131289827840

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1280 2381 2560 4762 9524 11905 19048 23810 38096 47620 76192 95240 152384 190480 304768 380960 609536 761920 1219072 1523840 3047680 6095360 14786869 29573738 59147476 73934345 118294952 147868690 236589904 295737380 473179808 591474760 946359616 1182949520 1892719232 2365899040 3785438464 4731798080 7570876928 9463596160 18927192320 35207535089 37854384640 70415070178 140830140356 176037675445 281660280712 352075350890 563320561424 704150701780 1126641122848 1408301403560 2253282245696 2816602807120 4506564491392 5633205614240 9013128982784 11266411228480 18026257965568 22532822456960 45065644913920 90131289827840
• Sum of all divisors σ(n): 216194626798920
• Sum of proper divisors (its aliquot sum) s(n): 126063336971080
• 90131289827840 is an abundant number, because the sum of its proper divisors (126063336971080) is greater than itself. Its abundance is 35932047143240

Bases of 90131289827840

• Binary: 10100011111100101010011100000110110101000000000₂
• Hexadecimal: 0x51F953836A00
• Base-36: VY5QQUBY8

Squares and roots of 90131289827840

• 90131289827840 squared (90131289827840²) is 8123649406030094256839065600
• 90131289827840 cubed (90131289827840³) is 732194999074658692448355277665210466304000
• The square root of 90131289827840 is 9493750.0403075707
• The cube root of 90131289827840 is 44835.8280949339

Scales and comparisons

• 90,131,289,827,840 seconds is equal to 2,865,896 years, 11 weeks, 3 days, 20 hours, 37 minutes, 20 seconds.
• To count from 1 to 90,131,289,827,840 would take you about seven million, one hundred sixty-four thousand, seven hundred forty 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 90131289827840 cubic inches would be around 3736.3 feet tall.

Recreational maths with 90131289827840

• 90131289827840 backwards is 04872898213109
• The number of decimal digits it has is: 14
• The sum of 90131289827840's digits is 62
• More coming soon!