820640874521373

Names of 820640874521373

• Cardinal: 820640874521373 can be written as Eight hundred twenty trillion, six hundred forty billion, eight hundred seventy-four million, five hundred twenty-one thousand, three hundred seventy-three.

Scientific notation

• Scientific notation: 8.20640874521373 × 10¹⁴

Factors of 820640874521373

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 10217537

Divisors of 820640874521373

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 31 93 139 417 4309 6217 12927 18651 192727 578181 864163 2592489 10211147 26789053 30633441 80367159 316545557 949636671 1419349433 4258048299 43999832423 63482700899 131999497269 190448102697 1967963727869 5903891183607 8824095424961 26472286274883 273546958173791 820640874521373
• Sum of all divisors σ(n): 1137793095290880
• Sum of proper divisors (its aliquot sum) s(n): 317152220769507
• 820640874521373 is a deficient number, because the sum of its proper divisors (317152220769507) is less than itself. Its deficiency is 503488653751866

Bases of 820640874521373

• Binary: 10111010100101111001010111110100000110001100011101₂
• Hexadecimal: 0x2EA5E57D0631D
• Base-36: 82W57ODC7X

Squares and roots of 820640874521373

• 820640874521373 squared (820640874521373²) is 673451444935203865071833805129
• 820640874521373 cubed (820640874521373³) is 552661782719307973400929811367905449227522117
• The square root of 820640874521373 is 28646830.0955162053
• The cube root of 820640874521373 is 93623.3941193275

Scales and comparisons

• 820,640,874,521,373 seconds is equal to 26,093,841 years, 20 weeks, 5 days, 22 hours, 9 minutes, 33 seconds.
• To count from 1 to 820,640,874,521,373 would take you about sixty-five million, two hundred thirty-four thousand, six hundred three 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 820640874521373 cubic inches would be around 7801.9 feet tall.

Recreational maths with 820640874521373

• 820640874521373 backwards is 373125478046028
• The number of decimal digits it has is: 15
• The sum of 820640874521373's digits is 60
• More coming soon!