428726969231263640

Names of 428726969231263640

• Cardinal: 428726969231263640 can be written as Four hundred twenty-eight quadrillion, seven hundred twenty-six trillion, nine hundred sixty-nine billion, two hundred thirty-one million, two hundred sixty-three thousand, six hundred forty.

Scientific notation

• Scientific notation: 4.2872696923126364 × 10¹⁷

Factors of 428726969231263640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 732004880

Divisors of 428726969231263640

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 2097757 4195514 8391028 10488785 14684299 16782056 20977570 29368598 41955140 58737196 73421495 83910280 117474392 146842990 293685980 587371960 729907109 1459814218 2919628436 3649535545 5109349763 5839256872 7299071090 10218699526 14598142180 20437399052 25546748815 29196284360 40874798104 51093497630 102186995260 204373990520 1531167747254513 3062335494509026 6124670989018052 7655838736272565 10718174230781591 12249341978036104 15311677472545130 21436348461563182 30623354945090260 42872696923126364 53590871153907955 61246709890180520 85745393846252728 107181742307815910 214363484615631820 428726969231263640
• Sum of all divisors σ(n): 1102441305066753600
• Sum of proper divisors (its aliquot sum) s(n): 673714335835489960
• 428726969231263640 is an abundant number, because the sum of its proper divisors (673714335835489960) is greater than itself. Its abundance is 244987366604226320

Bases of 428726969231263640

• Binary: 10111110011001001001110100000110010101010001100011110011000₂
• Hexadecimal: 0x5F324E832A8C798
• Base-36: 399F0YODZ9G8

Squares and roots of 428726969231263640

• 428726969231263640 squared (428726969231263640²) is 183806814146224879887697191186049600
• 428726969231263640 cubed (428726969231263640³) is 78802938352965148442900935148400203743124147716544000
• The square root of 428726969231263640 is 654772456.0725379505
• The cube root of 428726969231263640 is 754038.6396946795

Scales and comparisons

• 428,726,969,231,263,640 seconds is equal to 13,632,191,481 years, 50 weeks, 1 day, 22 hours, 7 minutes, 20 seconds.
• To count from 1 to 428,726,969,231,263,640 would take you about forty billion, eight hundred ninety-six million, five hundred seventy-four thousand, four hundred forty-five 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 428726969231263640 cubic inches would be around 62836.6 feet tall.

Recreational maths with 428726969231263640

• 428726969231263640 backwards is 046362132969627824
• The number of decimal digits it has is: 18
• The sum of 428726969231263640's digits is 80
• More coming soon!