399819308427

Names of 399819308427

• Cardinal: 399819308427 can be written as Three hundred ninety-nine billion, eight hundred nineteen million, three hundred eight thousand, four hundred twenty-seven.

Scientific notation

• Scientific notation: 3.99819308427 × 10¹¹

Factors of 399819308427

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 40863

Divisors of 399819308427

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 11 21 33 49 63 77 99 147 231 441 539 693 1617 2129 4851 6387 14903 19161 23419 38713 44709 70257 104321 116139 134127 163933 210771 270991 312963 348417 425843 491799 812973 938889 1147531 1277529 1475397 1896937 2438919 2980901 3442593 3832587 5690811 8942703 10327779 17072433 20866307 26828109 62598921 82419977 187796763 247259931 576939839 741779793 906619747 1730819517 2719859241 4038578873 5192458551 6346338229 8159577723 12115736619 19039014687 36347209857 44424367603 57117044061 133273102809 399819308427
• Sum of all divisors σ(n): 733241611440
• Sum of proper divisors (its aliquot sum) s(n): 333422303013
• 399819308427 is a deficient number, because the sum of its proper divisors (333422303013) is less than itself. Its deficiency is 66397005414

Bases of 399819308427

• Binary: 101110100010111000101100111110110001011₂
• Hexadecimal: 0x5D17167D8B
• Base-36: 53OA3CSR

Squares and roots of 399819308427

• 399819308427 squared (399819308427²) is 159855479391044553214329
• 399819308427 cubed (399819308427³) is 63913307218393984363298220686850483
• The square root of 399819308427 is 632312.6666665789
• The cube root of 399819308427 is 7366.9533744369

Scales and comparisons

• 399,819,308,427 seconds is equal to 12,713 years, 6 days, 7 hours, 27 seconds.
• To count from 1 to 399,819,308,427 would take you about twenty-five thousand, four hundred twenty-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 399819308427 cubic inches would be around 613.9 feet tall.

Recreational maths with 399819308427

• 399819308427 backwards is 724803918993
• 399819308427 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 399819308427's digits is 63
• More coming soon!