397840144932172799

Names of 397840144932172799

• Cardinal: 397840144932172799 can be written as Three hundred ninety-seven quadrillion, eight hundred forty trillion, one hundred forty-four billion, nine hundred thirty-two million, one hundred seventy-two thousand, seven hundred ninety-nine.

Scientific notation

• Scientific notation: 3.97840144932172799 × 10¹⁷

Factors of 397840144932172799

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1300138809

Divisors of 397840144932172799

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7283 42017 306009811 1300089509 9468551894047 54625860899653 397840144932172799
• Sum of all divisors σ(n): 397904240951115120
• Sum of proper divisors (its aliquot sum) s(n): 64096018942321
• 397840144932172799 is a deficient number, because the sum of its proper divisors (64096018942321) is less than itself. Its deficiency is 397776048913230478

Bases of 397840144932172799

• Binary: 10110000101011010011000000100000100000100100111001111111111₂
• Hexadecimal: 0x5856981041273FF
• Base-36: 30TAK7H8GZJZ

Squares and roots of 397840144932172799

• 397840144932172799 squared (397840144932172799²) is 158276780919652258043032239195494401
• 397840144932172799 cubed (397840144932172799³) is 62968857460472216656347143724821561503135267968998399
• The square root of 397840144932172799 is 630745705.4409271195
• The cube root of 397840144932172799 is 735477.7432594271

Scales and comparisons

• 397,840,144,932,172,799 seconds is equal to 12,650,086,008 years, 24 weeks, 5 days, 7 hours, 59 minutes, 59 seconds.
• To count from 1 to 397,840,144,932,172,799 would take you about thirty-seven billion, nine hundred fifty million, two hundred fifty-eight thousand and twenty-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 397840144932172799 cubic inches would be around 61289.8 feet tall.

Recreational maths with 397840144932172799

• 397840144932172799 backwards is 997271239441048793
• The number of decimal digits it has is: 18
• The sum of 397840144932172799's digits is 89
• More coming soon!