820923476420

Names of 820923476420

• Cardinal: 820923476420 can be written as Eight hundred twenty billion, nine hundred twenty-three million, four hundred seventy-six thousand, four hundred twenty.

Scientific notation

• Scientific notation: 8.2092347642 × 10¹¹

Factors of 820923476420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 20419

Divisors of 820923476420

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 17 20 34 68 85 170 181 340 362 683 724 905 1366 1810 2732 3077 3415 3620 6154 6830 11611 12308 13660 15385 19531 23222 30770 39062 46444 58055 61540 78124 97655 116110 123623 195310 232220 247246 332027 390620 494492 618115 664054 1236230 1328108 1660135 2101591 2472460 3320270 3535111 4203182 6640540 7070222 8406364 10507955 13339673 14140444 17675555 21015910 26679346 35351110 42031820 53358692 60096887 66698365 70702220 120193774 133396730 226774441 240387548 266793460 300484435 453548882 600968870 907097764 1133872205 1201937740 2267744410 2414480813 4535488820 4828961626 9657923252 12072404065 24144808130 41046173821 48289616260 82092347642 164184695284 205230869105 410461738210 820923476420
• Sum of all divisors σ(n): 1838213709696
• Sum of proper divisors (its aliquot sum) s(n): 1017290233276
• 820923476420 is an abundant number, because the sum of its proper divisors (1017290233276) is greater than itself. Its abundance is 196366756856

Bases of 820923476420

• Binary: 1011111100100010110110100010100111000100₂
• Hexadecimal: 0xBF22DA29C4
• Base-36: AH4KN4CK

Squares and roots of 820923476420

• 820923476420 squared (820923476420²) is 673915354137498296016400
• 820923476420 cubed (820923476420³) is 553232935331370531847609325333288000
• The square root of 820923476420 is 906048.2748838497
• The cube root of 820923476420 is 9363.4139831705

Scales and comparisons

• 820,923,476,420 seconds is equal to 26,102 years, 43 weeks, 3 hours, 20 seconds.
• To count from 1 to 820,923,476,420 would take you about fifty-two thousand, two hundred 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 820923476420 cubic inches would be around 780.3 feet tall.

Recreational maths with 820923476420

• 820923476420 backwards is 024674329028
• The number of decimal digits it has is: 12
• The sum of 820923476420's digits is 47
• More coming soon!