397400155686944

Names of 397400155686944

• Cardinal: 397400155686944 can be written as Three hundred ninety-seven trillion, four hundred billion, one hundred fifty-five million, six hundred eighty-six thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 3.97400155686944 × 10¹⁴

Factors of 397400155686944

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 71046804

Divisors of 397400155686944

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 4 8 16 32 175229 350458 700916 1401832 2803664 5607328 70871573 141743146 283486292 566972584 1133945168 2267890336 12418754865217 24837509730434 49675019460868 99350038921736 198700077843472 397400155686944
• Sum of all divisors σ(n): 782386032457260
• Sum of proper divisors (its aliquot sum) s(n): 384985876770316
• 397400155686944 is a deficient number, because the sum of its proper divisors (384985876770316) is less than itself. Its deficiency is 12414278916628

Bases of 397400155686944

• Binary: 1011010010110111011101111000111010000100000100000₂
• Hexadecimal: 0x1696EEF1D0820
• Base-36: 3WV7404LY8

Squares and roots of 397400155686944

• 397400155686944 squared (397400155686944²) is 157926883740007329624532059136
• 397400155686944 cubed (397400155686944³) is 62760168185432817717820727144710116911120384
• The square root of 397400155686944 is 19934897.9352025779
• The cube root of 397400155686944 is 73520.6510646661

Scales and comparisons

• 397,400,155,686,944 seconds is equal to 12,636,095 years, 36 weeks, 6 days, 23 hours, 15 minutes, 44 seconds.
• To count from 1 to 397,400,155,686,944 would take you about thirty-one million, five hundred ninety thousand, two hundred thirty-nine 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 397400155686944 cubic inches would be around 6126.7 feet tall.

Recreational maths with 397400155686944

• 397400155686944 backwards is 449686551004793
• The number of decimal digits it has is: 15
• The sum of 397400155686944's digits is 71
• More coming soon!