821033137396

Names of 821033137396

• Cardinal: 821033137396 can be written as Eight hundred twenty-one billion, thirty-three million, one hundred thirty-seven thousand, three hundred ninety-six.

Scientific notation

• Scientific notation: 8.21033137396 × 10¹¹

Factors of 821033137396

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 199614

Divisors of 821033137396

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 31 62 79 124 158 316 421 842 1684 2449 4898 9796 13051 26102 33259 52204 66518 133036 199081 398162 796324 1031029 2062058 4124116 6171511 12343022 15727399 24686044 31454798 62909596 83813101 167626202 335252404 487549369 975098738 1950197476 2598206131 5196412262 6621234979 10392824524 13242469958 26484939916 205258284349 410516568698 821033137396
• Sum of all divisors σ(n): 1505505863680
• Sum of proper divisors (its aliquot sum) s(n): 684472726284
• 821033137396 is a deficient number, because the sum of its proper divisors (684472726284) is less than itself. Its deficiency is 136560411112

Bases of 821033137396

• Binary: 1011111100101001011000110111010011110100₂
• Hexadecimal: 0xBF296374F4
• Base-36: AH6DXJAS

Squares and roots of 821033137396

• 821033137396 squared (821033137396²) is 674095412702319013660816
• 821033137396 cubed (821033137396³) is 553454671595236410390803943869475136
• The square root of 821033137396 is 906108.7889409307
• The cube root of 821033137396 is 9363.8308938929

Scales and comparisons

• 821,033,137,396 seconds is equal to 26,106 years, 16 weeks, 2 days, 8 hours, 23 minutes, 16 seconds.
• To count from 1 to 821,033,137,396 would take you about fifty-two thousand, two hundred twelve 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 821033137396 cubic inches would be around 780.3 feet tall.

Recreational maths with 821033137396

• 821033137396 backwards is 693731330128
• The number of decimal digits it has is: 12
• The sum of 821033137396's digits is 46
• More coming soon!