397779725377400221

Names of 397779725377400221

• Cardinal: 397779725377400221 can be written as Three hundred ninety-seven quadrillion, seven hundred seventy-nine trillion, seven hundred twenty-five billion, three hundred seventy-seven million, four hundred thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 3.97779725377400221 × 10¹⁷

Factors of 397779725377400221

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 5853403328510

Divisors of 397779725377400221

• Number of divisors d(n): 4
• Complete list of divisors:
  1 67957 5853403260553 397779725377400221
• Sum of all divisors σ(n): 397785578780728732
• Sum of proper divisors (its aliquot sum) s(n): 5853403328511
• 397779725377400221 is a deficient number, because the sum of its proper divisors (5853403328511) is less than itself. Its deficiency is 397773871974071710

Bases of 397779725377400221

• Binary: 10110000101001100101000110101111101111110001110110110011101₂
• Hexadecimal: 0x585328D7DF8ED9D
• Base-36: 30SP5749JOV1

Squares and roots of 397779725377400221

• 397779725377400221 squared (397779725377400221²) is 158228709921319937391069376810848841
• 397779725377400221 cubed (397779725377400221³) is 62940172779322966425287831146836575224295352790993861
• The square root of 397779725377400221 is 630697808.2865043705
• The cube root of 397779725377400221 is 735440.5093032817

Scales and comparisons

• 397,779,725,377,400,221 seconds is equal to 12,648,164,853 years, 27 weeks, 1 day, 20 hours, 57 minutes, 1 second.
• To count from 1 to 397,779,725,377,400,221 would take you about thirty-seven billion, nine hundred forty-four million, four hundred ninety-four thousand, five hundred sixty 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 397779725377400221 cubic inches would be around 61286.7 feet tall.

Recreational maths with 397779725377400221

• 397779725377400221 backwards is 122004773527977793
• The number of decimal digits it has is: 18
• The sum of 397779725377400221's digits is 82
• More coming soon!