21016771398090

Names of 21016771398090

• Cardinal: 21016771398090 can be written as Twenty-one trillion, sixteen billion, seven hundred seventy-one million, three hundred ninety-eight thousand and ninety.

Scientific notation

• Scientific notation: 2.101677139809 × 10¹³

Factors of 21016771398090

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 72140879

Divisors of 21016771398090

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 83 90 117 130 135 166 195 234 249 270 351 390 415 498 585 702 747 830 1079 1170 1245 1494 1755 2158 2241 2490 3237 3510 3735 4482 5395 6474 7470 9711 10790 11205 16185 19422 22410 29133 32370 48555 58266 97110 145665 291330 72140773 144281546 216422319 360703865 432844638 649266957 721407730 937830049 1082111595 1298533914 1875660098 1947800871 2164223190 2813490147 3246334785 3895601742 4689150245 5626980294 5987684159 6492669570 8440470441 9378300490 9739004355 11975368318 14067450735 16880940882 17963052477 19478008710 25321411323 28134901470 29938420795 35926104954 42202352205 50642822646 53889157431 59876841590 77839894067 84404704410 89815262385 107778314862 126607056615 155679788134 161667472293 179630524770 233519682201 253214113230 269445787155 323334944586 389199470335 467039364402 538891574310 700559046603 778398940670 808337361465 1167598411005 1401118093206 1616674722930 2101677139809 2335196822010 3502795233015 4203354279618 7005590466030 10508385699045 21016771398090
• Sum of all divisors σ(n): 61083036161280
• Sum of proper divisors (its aliquot sum) s(n): 40066264763190
• 21016771398090 is an abundant number, because the sum of its proper divisors (40066264763190) is greater than itself. Its abundance is 19049493365100

Bases of 21016771398090

• Binary: 100110001110101011001001100011000100111001010₂
• Hexadecimal: 0x131D593189CA
• Base-36: 7G6YZ1XAI

Squares and roots of 21016771398090

• 21016771398090 squared (21016771398090²) is 441704679999573893255648100
• 21016771398090 cubed (21016771398090³) is 9283206285017540673162771740426052129000
• The square root of 21016771398090 is 4584405.2392965873
• The cube root of 21016771398090 is 27596.5844151117

Scales and comparisons

• 21,016,771,398,090 seconds is equal to 668,268 years, 16 weeks, 4 days, 23 hours, 1 minute, 30 seconds.
• To count from 1 to 21,016,771,398,090 would take you about one million, six hundred seventy thousand, six hundred seventy 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 21016771398090 cubic inches would be around 2299.7 feet tall.

Recreational maths with 21016771398090

• 21016771398090 backwards is 09089317761012
• 21016771398090 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21016771398090's digits is 54
• More coming soon!