421921041546156640

Names of 421921041546156640

• Cardinal: 421921041546156640 can be written as Four hundred twenty-one quadrillion, nine hundred twenty-one trillion, forty-one billion, five hundred forty-six million, one hundred fifty-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 4.2192104154615664 × 10¹⁷

Factors of 421921041546156640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1665828497903

Divisors of 421921041546156640

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 80 160 1583 3166 6332 7915 12664 15830 25328 31660 50656 63320 126640 253280 1665828496313 3331656992626 6663313985252 8329142481565 13326627970504 16658284963130 26653255941008 33316569926260 53306511882016 66633139852520 133266279705040 266532559410080 2637006509663479 5274013019326958 10548026038653916 13185032548317395 21096052077307832 26370065096634790 42192104154615664 52740130193269580 84384208309231328 105480260386539160 210960520773078320 421921041546156640
• Sum of all divisors σ(n): 997418143825000128
• Sum of proper divisors (its aliquot sum) s(n): 575497102278843488
• 421921041546156640 is an abundant number, because the sum of its proper divisors (575497102278843488) is greater than itself. Its abundance is 153576060732686848

Bases of 421921041546156640

• Binary: 10111011010111101101111001110101100100111110001101001100000₂
• Hexadecimal: 0x5DAF6F3AC9F1A60
• Base-36: 37EEIYNU41GG

Squares and roots of 421921041546156640

• 421921041546156640 squared (421921041546156640²) is 178017365299393637494011555416089600
• 421921041546156640 cubed (421921041546156640³) is 75109272180422806293819409818293083408498897874944000
• The square root of 421921041546156640 is 649554494.6701212997
• The cube root of 421921041546156640 is 750027.2828867173

Scales and comparisons

• 421,921,041,546,156,640 seconds is equal to 13,415,784,033 years, 36 weeks, 1 day, 16 hours, 50 minutes, 40 seconds.
• To count from 1 to 421,921,041,546,156,640 would take you about forty billion, two hundred forty-seven million, three hundred fifty-two thousand, one hundred one 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 421921041546156640 cubic inches would be around 62502.3 feet tall.

Recreational maths with 421921041546156640

• 421921041546156640 backwards is 046651645140129124
• The number of decimal digits it has is: 18
• The sum of 421921041546156640's digits is 61
• More coming soon!