840155139216064

Names of 840155139216064

• Cardinal: 840155139216064 can be written as Eight hundred forty trillion, one hundred fifty-five billion, one hundred thirty-nine million, two hundred sixteen thousand and sixty-four.

Scientific notation

• Scientific notation: 8.40155139216064 × 10¹⁴

Factors of 840155139216064

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1875346292902

Divisors of 840155139216064

• Number of divisors d(n): 28
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 112 224 448 1875346292893 3750692585786 7501385171572 13127424050251 15002770343144 26254848100502 30005540686288 52509696201004 60011081372576 105019392402008 120022162745152 210038784804016 420077569608032 840155139216064
• Sum of all divisors σ(n): 1905351833580304
• Sum of proper divisors (its aliquot sum) s(n): 1065196694364240
• 840155139216064 is an abundant number, because the sum of its proper divisors (1065196694364240) is greater than itself. Its abundance is 225041555148176

Bases of 840155139216064

• Binary: 10111111000001110111011100101000010001001011000000₂
• Hexadecimal: 0x2FC1DDCA112C0
• Base-36: 89T5XXQ5DS

Squares and roots of 840155139216064

• 840155139216064 squared (840155139216064²) is 705860657951163880952475652096
• 840155139216064 cubed (840155139216064³) is 593032459348102622812966906654946220638470144
• The square root of 840155139216064 is 28985429.7745619773
• The cube root of 840155139216064 is 94359.6879737299

Scales and comparisons

• 840,155,139,216,064 seconds is equal to 26,714,334 years, 34 weeks, 1 day, 1 minute, 4 seconds.
• To count from 1 to 840,155,139,216,064 would take you about sixty-six million, seven hundred eighty-five thousand, eight hundred thirty-six 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 840155139216064 cubic inches would be around 7863.3 feet tall.

Recreational maths with 840155139216064

• 840155139216064 backwards is 460612931551048
• The number of decimal digits it has is: 15
• The sum of 840155139216064's digits is 55
• More coming soon!