120387028947497903809

Names of 120387028947497903809

• Cardinal: 120387028947497903809 can be written as One hundred twenty quintillion, three hundred eighty-seven quadrillion, twenty-eight trillion, nine hundred forty-seven billion, four hundred ninety-seven million, nine hundred three thousand, eight hundred nine.

Scientific notation

• Scientific notation: 1.20387028947497903809 × 10²⁰

Factors of 120387028947497903809

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 45921

Divisors of 120387028947497903809

• Number of divisors d(n): 18
• Complete list of divisors:
  1 193 1279 37249 44449 246847 8578657 47641471 56850271 1655680801 1975713601 10972102303 381312724993 2117615744479 2526937695679 73593355923649 487698975266047 94125902226347071
• Sum of all divisors σ(n): 120387595280412155778
• Sum of proper divisors (its aliquot sum) s(n): 566332914251969
• 120387028947497903809 is a deficient number, because the sum of its proper divisors (566332914251969) is less than itself. Its deficiency is 120386462614583651840

Bases of 120387028947497903809

• Binary: 1101000011010110100101001001111110101101100010001111110011011000001₂
• Hexadecimal: 0x686B4A4FD6C47E6C1
• Base-36: PEN6W4JOC84W1

Squares and roots of 120387028947497903809

• 120387028947497903809 squared (120387028947497903809²) is 14493036738805698249343057026449016708481
• 120387028947497903809 cubed (120387028947497903809³) is 1744773633411752211548438125245842058944761986562964332504129
• 120387028947497903809 is a perfect square number. Its square root is 10972102303
• The cube root of 120387028947497903809 is 4937721.2105431057

Scales and comparisons

• 120,387,028,947,497,903,809 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 120,387,028,947,497,903,809 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 120387028947497903809 cubic inches would be around 411476.8 feet tall.

Recreational maths with 120387028947497903809

• 120387028947497903809 backwards is 908309794749820783021
• The number of decimal digits it has is: 21
• The sum of 120387028947497903809's digits is 100
• More coming soon!