397884936816639

Names of 397884936816639

• Cardinal: 397884936816639 can be written as Three hundred ninety-seven trillion, eight hundred eighty-four billion, nine hundred thirty-six million, eight hundred sixteen thousand, six hundred thirty-nine.

Scientific notation

• Scientific notation: 3.97884936816639 × 10¹⁴

Factors of 397884936816639

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 8187430

Divisors of 397884936816639

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 9 27 67 201 603 1809 26953 80859 242577 727731 1805851 5417553 8160407 16252659 24481221 48757977 73443663 220330989 546747269 1640241807 4920725421 14762176263 219947449871 659842349613 1979527048839 5938581146517 14736479141357 44209437424071 132628312272213 397884936816639
• Sum of all divisors σ(n): 598279333271040
• Sum of proper divisors (its aliquot sum) s(n): 200394396454401
• 397884936816639 is a deficient number, because the sum of its proper divisors (200394396454401) is less than itself. Its deficiency is 197490540362238

Bases of 397884936816639

• Binary: 1011010011101111111001110010100100000011111111111₂
• Hexadecimal: 0x169DFCE5207FF
• Base-36: 3X1DTEANLR

Squares and roots of 397884936816639

• 397884936816639 squared (397884936816639²) is 158312422945580809167107256321
• 397884936816639 cubed (397884936816639³) is 62990128400991450500138850403833983150725119
• The square root of 397884936816639 is 19947053.3366870757
• The cube root of 397884936816639 is 73550.5344125637

Scales and comparisons

• 397,884,936,816,639 seconds is equal to 12,651,510 years, 13 weeks, 16 hours, 10 minutes, 39 seconds.
• To count from 1 to 397,884,936,816,639 would take you about thirty-one million, six hundred twenty-eight thousand, seven hundred seventy-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 397884936816639 cubic inches would be around 6129.2 feet tall.

Recreational maths with 397884936816639

• 397884936816639 backwards is 936618639488793
• The number of decimal digits it has is: 15
• The sum of 397884936816639's digits is 90
• More coming soon!