820713064443405789

Names of 820713064443405789

• Cardinal: 820713064443405789 can be written as Eight hundred twenty quadrillion, seven hundred thirteen trillion, sixty-four billion, four hundred forty-three million, four hundred five thousand, seven hundred eighty-nine.

Scientific notation

• Scientific notation: 8.20713064443405789 × 10¹⁷

Factors of 820713064443405789

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 58650941

Divisors of 820713064443405789

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 1499 1637 1901 4497 4911 5703 2453863 2849599 3111937 7361589 8548797 9335811 58645901 175937703 4664793563 13994380689 87910205599 96003339937 111485857801 263730616797 288010019811 334457573403 143909006565563 167117300843699 182502349220237 431727019696689 501351902531097 547507047660711 273571021481135263 820713064443405789
• Sum of all divisors σ(n): 1096259401076112000
• Sum of proper divisors (its aliquot sum) s(n): 275546336632706211
• 820713064443405789 is a deficient number, because the sum of its proper divisors (275546336632706211) is less than itself. Its deficiency is 545166727810699578

Bases of 820713064443405789

• Binary: 101101100011110000100010111100001100101010111110010111011101₂
• Hexadecimal: 0xB63C22F0CABE5DD
• Base-36: 68H2I0UA89UL

Squares and roots of 820713064443405789

• 820713064443405789 squared (820713064443405789²) is 673569934148085943567663685718712521
• 820713064443405789 cubed (820713064443405789³) is 552807644771618652578358445475166986697828101438184069
• The square root of 820713064443405789 is 905932152.2296279495
• The cube root of 820713064443405789 is 936261.3931825683

Scales and comparisons

• 820,713,064,443,405,789 seconds is equal to 26,096,136,817 years, 5 weeks, 5 days, 7 hours, 23 minutes, 9 seconds.
• To count from 1 to 820,713,064,443,405,789 would take you about seventy-eight billion, two hundred eighty-eight million, four hundred ten thousand, four hundred fifty-one 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 820713064443405789 cubic inches would be around 78021.8 feet tall.

Recreational maths with 820713064443405789

• 820713064443405789 backwards is 987504344460317028
• The number of decimal digits it has is: 18
• The sum of 820713064443405789's digits is 75
• More coming soon!