397421520387906

Names of 397421520387906

• Cardinal: 397421520387906 can be written as Three hundred ninety-seven trillion, four hundred twenty-one billion, five hundred twenty million, three hundred eighty-seven thousand, nine hundred six.

Scientific notation

• Scientific notation: 3.97421520387906 × 10¹⁴

Factors of 397421520387906

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 104216

Divisors of 397421520387906

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 7 14 21 42 53 106 159 318 371 742 991 1113 1777 1982 2226 2973 3554 5331 5946 6937 10662 12439 13874 20811 24878 37317 41622 52523 74634 94181 101383 105046 157569 188362 202766 282543 304149 315138 367661 565086 608298 659267 709681 735322 1102983 1318534 1419362 1761007 1977801 2129043 2205966 3522014 3955602 4258086 5283021 5373299 10566042 10746598 12327049 16119897 24654098 32239794 36981147 37613093 73962294 75226186 93333371 100470553 112839279 180157591 186666742 200941106 225678558 280000113 301411659 360315182 540472773 560000226 602823318 653333597 703293871 1080945546 1261103137 1306667194 1406587742 1960000791 2109881613 2522206274 3783309411 3920001582 4219763226 5324939309 7566618822 9548352323 10649878618 15974817927 19096704646 28645056969 31949635854 37274575163 57290113938 66838466261 74549150326 111823725489 133676932522 178536172681 200515398783 223647450978 357072345362 401030797566 535608518043 1071217036086 1249753208767 2499506417534 3749259626301 7498519252602 9462417152093 18924834304186 28387251456279 56774502912558 66236920064651 132473840129302 198710760193953 397421520387906
• Sum of all divisors σ(n): 926995964461056
• Sum of proper divisors (its aliquot sum) s(n): 529574444073150
• 397421520387906 is an abundant number, because the sum of its proper divisors (529574444073150) is greater than itself. Its abundance is 132152923685244

Bases of 397421520387906

• Binary: 1011010010111001111101000100011000111111101000010₂
• Hexadecimal: 0x16973E88C7F42
• Base-36: 3WVGXC4APU

Squares and roots of 397421520387906

• 397421520387906 squared (397421520387906²) is 157943864867434784424711064836
• 397421520387906 cubed (397421520387906³) is 62770290911557903372208154434993641036273416
• The square root of 397421520387906 is 19935433.7898101931
• The cube root of 397421520387906 is 73521.9685600207

Scales and comparisons

• 397,421,520,387,906 seconds is equal to 12,636,775 years, 2 weeks, 1 day, 14 hours, 25 minutes, 6 seconds.
• To count from 1 to 397,421,520,387,906 would take you about thirty-one million, five hundred ninety-one thousand, nine hundred thirty-seven 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 397421520387906 cubic inches would be around 6126.8 feet tall.

Recreational maths with 397421520387906

• 397421520387906 backwards is 609783025124793
• The number of decimal digits it has is: 15
• The sum of 397421520387906's digits is 66
• More coming soon!