820938242955

Names of 820938242955

• Cardinal: 820938242955 can be written as Eight hundred twenty billion, nine hundred thirty-eight million, two hundred forty-two thousand, nine hundred fifty-five.

Scientific notation

• Scientific notation: 8.20938242955 × 10¹¹

Factors of 820938242955

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 81

Divisors of 820938242955

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 15 19 23 31 57 69 93 95 115 155 285 345 361 437 465 589 713 961 1083 1311 1767 1805 2139 2185 2883 2945 3565 4805 5415 6555 6859 8303 8835 10695 11191 13547 14415 18259 20577 22103 24909 33573 34295 40641 41515 54777 55955 66309 67735 91295 102885 110515 124545 130321 157757 167865 203205 212629 257393 273885 331545 346921 390963 419957 473271 637887 651605 772179 788785 1040763 1063145 1259871 1286965 1734605 1954815 2099785 2366355 2476099 2997383 3189435 3860895 4039951 4890467 5203815 6299355 6591499 7428297 7979183 8992149 12119853 12380495 14671401 14986915 19774497 20199755 23937549 24452335 32957495 37141485 39895915 44960745 56950277 60599265 73357005 76759069 92918873 98872485 119687745 125238481 151604477 170850831 230277207 278756619 284751385 375715443 383795345 454813431 464594365 626192405 758022385 854254155 1151386035 1393783095 1765458587 1878577215 2274067155 2379531139 2880485063 5296375761 7138593417 8641455189 8827292935 11897655695 14402425315 26481878805 35692967085 43207275945 54729216197 164187648591 273646080985 820938242955
• Sum of all divisors σ(n): 1494929882880
• Sum of proper divisors (its aliquot sum) s(n): 673991639925
• 820938242955 is a deficient number, because the sum of its proper divisors (673991639925) is less than itself. Its deficiency is 146946603030

Bases of 820938242955

• Binary: 1011111100100011101110110111101110001011₂
• Hexadecimal: 0xBF23BB7B8B
• Base-36: AH4TFMA3

Squares and roots of 820938242955

• 820938242955 squared (820938242955²) is 673939598746042607132025
• 820938242955 cubed (820938242955³) is 553262790052373939158531955211133875
• The square root of 820938242955 is 906056.4237148811
• The cube root of 820938242955 is 9363.4701249649

Scales and comparisons

• 820,938,242,955 seconds is equal to 26,103 years, 15 weeks, 3 days, 49 minutes, 15 seconds.
• To count from 1 to 820,938,242,955 would take you about fifty-two thousand, two hundred six 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 820938242955 cubic inches would be around 780.3 feet tall.

Recreational maths with 820938242955

• 820938242955 backwards is 559242839028
• 820938242955 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 820938242955's digits is 57
• More coming soon!