21520231822512

Names of 21520231822512

• Cardinal: 21520231822512 can be written as Twenty-one trillion, five hundred twenty billion, two hundred thirty-one million, eight hundred twenty-two thousand, five hundred twelve.

Scientific notation

• Scientific notation: 2.1520231822512 × 10¹³

Factors of 21520231822512

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 5535039054

Divisors of 21520231822512

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 243 324 432 486 648 972 1296 1944 3888 5535039049 11070078098 16605117147 22140156196 33210234294 44280312392 49815351441 66420468588 88560624784 99630702882 132840937176 149446054323 199261405764 265681874352 298892108646 398522811528 448338162969 597784217292 797045623056 896676325938 1195568434584 1345014488907 1793352651876 2391136869168 2690028977814 3586705303752 5380057955628 7173410607504 10760115911256 21520231822512
• Sum of all divisors σ(n): 62457380640200
• Sum of proper divisors (its aliquot sum) s(n): 40937148817688
• 21520231822512 is an abundant number, because the sum of its proper divisors (40937148817688) is greater than itself. Its abundance is 19416916995176

Bases of 21520231822512

• Binary: 100111001001010010001110001011111010010110000₂
• Hexadecimal: 0x139291C5F4B0
• Base-36: 7MM9AE300

Squares and roots of 21520231822512

• 21520231822512 squared (21520231822512²) is 463120377694658157069990144
• 21520231822512 cubed (21520231822512³) is 9966457889718359104569141154554997321728
• The square root of 21520231822512 is 4638990.3882754489
• The cube root of 21520231822512 is 27815.2082058589

Scales and comparisons

• 21,520,231,822,512 seconds is equal to 684,276 years, 41 weeks, 6 days, 4 hours, 55 minutes, 12 seconds.
• To count from 1 to 21,520,231,822,512 would take you about one million, seven hundred ten thousand, six hundred ninety-two 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 21520231822512 cubic inches would be around 2317.9 feet tall.

Recreational maths with 21520231822512

• 21520231822512 backwards is 21522813202512
• 21520231822512 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21520231822512's digits is 36
• More coming soon!