399284774811

Names of 399284774811

• Cardinal: 399284774811 can be written as Three hundred ninety-nine billion, two hundred eighty-four million, seven hundred seventy-four thousand, eight hundred eleven.

Scientific notation

• Scientific notation: 3.99284774811 × 10¹¹

Factors of 399284774811

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5347

Divisors of 399284774811

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 9 13 27 39 117 181 351 543 1629 1987 2353 3163 4887 5961 7059 9489 17883 21177 25831 28467 41119 53649 63531 77493 85401 123357 232479 359647 370071 572503 697437 1078941 1110213 1717509 3236823 4675411 5152527 6284881 7442539 9710469 14026233 15457581 18854643 22327617 42078699 56563929 66982851 81703453 126236097 169691787 200948553 245110359 735331077 1137563461 2205993231 3412690383 10238071149 14788324993 30714213447 44364974979 133094924937 399284774811
• Sum of all divisors σ(n): 641080061440
• Sum of proper divisors (its aliquot sum) s(n): 241795286629
• 399284774811 is a deficient number, because the sum of its proper divisors (241795286629) is less than itself. Its deficiency is 157489488182

Bases of 399284774811

• Binary: 101110011110111001110100010011110011011₂
• Hexadecimal: 0x5CF73A279B
• Base-36: 53FFUG0R

Squares and roots of 399284774811

• 399284774811 squared (399284774811²) is 159428331395870980085721
• 399284774811 cubed (399284774811³) is 63657305399893825578736974961573731
• The square root of 399284774811 is 631889.8438897401
• The cube root of 399284774811 is 7363.6688570313

Scales and comparisons

• 399,284,774,811 seconds is equal to 12,696 years, 1 week, 13 hours, 26 minutes, 51 seconds.
• To count from 1 to 399,284,774,811 would take you about twenty-five thousand, three hundred ninety-two 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 399284774811 cubic inches would be around 613.6 feet tall.

Recreational maths with 399284774811

• 399284774811 backwards is 118477482993
• The number of decimal digits it has is: 12
• The sum of 399284774811's digits is 63
• More coming soon!