820680348168

Names of 820680348168

• Cardinal: 820680348168 can be written as Eight hundred twenty billion, six hundred eighty million, three hundred forty-eight thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 8.20680348168 × 10¹¹

Factors of 820680348168

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 689

Divisors of 820680348168

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 72 241 443 482 723 886 964 1329 1446 1772 1928 2169 2658 2892 3544 3987 4338 5316 5784 7974 8676 10632 15948 17352 31896 58081 106763 116162 174243 196249 213526 232324 320289 348486 392498 427052 464648 522729 588747 640578 696972 784996 854104 960867 1045458 1177494 1281156 1393944 1569992 1766241 1921734 2090916 2354988 2562312 3532482 3843468 4181832 4709976 7064964 7686936 14129928 25729883 47296009 51459766 77189649 94592018 102919532 141888027 154379298 189184036 205839064 231568947 283776054 308758596 378368072 425664081 463137894 567552108 617517192 851328162 926275788 1135104216 1702656324 1852551576 3405312648 11398338169 22796676338 34195014507 45593352676 68390029014 91186705352 102585043521 136780058028 205170087042 273560116056 410340174084 820680348168
• Sum of all divisors σ(n): 2236986538605
• Sum of proper divisors (its aliquot sum) s(n): 1416306190437
• 820680348168 is an abundant number, because the sum of its proper divisors (1416306190437) is greater than itself. Its abundance is 595625842269

Bases of 820680348168

• Binary: 1011111100010100010111000101001000001000₂
• Hexadecimal: 0xBF145C5208
• Base-36: AH0JW1E0

Squares and roots of 820680348168

• 820680348168 squared (820680348168²) is 673516233869149700956224
• 820680348168 cubed (820680348168³) is 552741537308533890334866994846597632
• The square root of 820680348168 is 905914.0953578325
• The cube root of 820680348168 is 9362.4895221551

Scales and comparisons

• 820,680,348,168 seconds is equal to 26,095 years, 5 weeks, 3 hours, 22 minutes, 48 seconds.
• To count from 1 to 820,680,348,168 would take you about fifty-two thousand, one hundred ninety 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 820680348168 cubic inches would be around 780.2 feet tall.

Recreational maths with 820680348168

• 820680348168 backwards is 861843086028
• The number of decimal digits it has is: 12
• The sum of 820680348168's digits is 54
• More coming soon!