421556142865498731

Names of 421556142865498731

• Cardinal: 421556142865498731 can be written as Four hundred twenty-one quadrillion, five hundred fifty-six trillion, one hundred forty-two billion, eight hundred sixty-five million, four hundred ninety-eight thousand, seven hundred thirty-one.

Scientific notation

• Scientific notation: 4.21556142865498731 × 10¹⁷

Factors of 421556142865498731

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2405

Divisors of 421556142865498731

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 9 27 109 327 981 2293 2943 6879 11881 20637 35643 61911 106929 249937 320787 749811 1295029 2249433 3885087 5257849 6748299 11655261 15773547 27243133 34965783 47320641 81729399 141961923 245188197 573105541 735564591 1719316623 2969501497 5157949869 8908504491 15473849607 26725513473 62468503969 80176540419 187405511907 562216535721 1686649607163 6809066932621 20427200797863 61281602393589 183844807180767
• Sum of all divisors σ(n): 421647302542472364
• Sum of proper divisors (its aliquot sum) s(n): 91159676973633
• 421556142865498731 is a deficient number, because the sum of its proper divisors (91159676973633) is less than itself. Its deficiency is 421464983188525098

Bases of 421556142865498731

• Binary: 10111011001101010110001010000010100011000011100001001101011₂
• Hexadecimal: 0x5D9AB141461C26B
• Base-36: 37AT6IIT1X0R

Squares and roots of 421556142865498731

• 421556142865498731 squared (421556142865498731²) is 177709581587636776641599657362610361
• 421556142865498731 cubed (421556142865498731³) is 74914565764325811808989063738538864089761336292951891
• The square root of 421556142865498731 is 649273550.1046525235
• 421556142865498731 is a perfect cube number. Its cube root is 749811

Scales and comparisons

• 421,556,142,865,498,731 seconds is equal to 13,404,181,384 years, 18 weeks, 4 days, 5 hours, 38 minutes, 51 seconds.
• To count from 1 to 421,556,142,865,498,731 would take you about forty billion, two hundred twelve million, five hundred forty-four thousand, one hundred fifty-three 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 421556142865498731 cubic inches would be around 62484.3 feet tall.

Recreational maths with 421556142865498731

• 421556142865498731 backwards is 137894568241655124
• The number of decimal digits it has is: 18
• The sum of 421556142865498731's digits is 81
• More coming soon!