42668391825

Names of 42668391825

• Cardinal: 42668391825 can be written as Forty-two billion, six hundred sixty-eight million, three hundred ninety-one thousand, eight hundred twenty-five.

Scientific notation

• Scientific notation: 4.2668391825 × 10¹⁰

Factors of 42668391825

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 11791

Divisors of 42668391825

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 9 15 25 45 75 101 163 225 303 489 505 815 909 1467 1515 2445 2525 4075 4545 7335 7575 11519 12225 16463 22725 34557 36675 49389 57595 82315 103671 148167 172785 246945 287975 411575 518355 740835 863925 1163419 1234725 1877597 2591775 3490257 3704175 5632791 5817095 9387985 10470771 16898373 17451285 28163955 29085475 46939925 52353855 84491865 87256425 140819775 189637297 261769275 422459325 568911891 948186485 1706735673 2844559455 4740932425 8533678365 14222797275 42668391825
• Sum of all divisors σ(n): 77660743680
• Sum of proper divisors (its aliquot sum) s(n): 34992351855
• 42668391825 is a deficient number, because the sum of its proper divisors (34992351855) is less than itself. Its deficiency is 7676039970

Bases of 42668391825

• Binary: 100111101111001110111111110110010001₂
• Hexadecimal: 0x9EF3BFD91
• Base-36: JLNNPU9

Squares and roots of 42668391825

• 42668391825 squared (42668391825²) is 1820591660931726830625
• 42668391825 cubed (42668391825³) is 77681718341962464982972909640625
• The square root of 42668391825 is 206563.2876989519
• The cube root of 42668391825 is 3494.3689540797

Scales and comparisons

• 42,668,391,825 seconds is equal to 1,356 years, 37 weeks, 4 days, 3 hours, 3 minutes, 45 seconds.
• To count from 1 to 42,668,391,825 would take you about two thousand, seven hundred thirteen 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 42668391825 cubic inches would be around 291.2 feet tall.

Recreational maths with 42668391825

• 42668391825 backwards is 52819386624
• The number of decimal digits it has is: 11
• The sum of 42668391825's digits is 54
• More coming soon!