21183838232490

Names of 21183838232490

• Cardinal: 21183838232490 can be written as Twenty-one trillion, one hundred eighty-three billion, eight hundred thirty-eight million, two hundred thirty-two thousand, four hundred ninety.

Scientific notation

• Scientific notation: 2.118383823249 × 10¹³

Factors of 21183838232490

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2803

Divisors of 21183838232490

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 30 45 90 181 229 362 458 543 687 905 1086 1145 1374 1629 1810 2061 2290 2383 2715 3258 3435 4122 4766 5430 6870 7149 8145 10305 11915 14298 16290 20610 21447 23830 35745 41449 42894 71490 82898 107235 124347 207245 214470 248694 373041 414490 431323 545707 621735 746082 862646 1091414 1243470 1293969 1637121 1865205 2156615 2587938 2728535 3274242 3730410 3881907 4313230 4911363 5457070 5678689 6469845 7763814 8185605 9822726 11357378 12939690 16371210 17036067 19409535 24556815 28393445 34072134 38819070 49113630 51108201 56786890 85180335 98772967 102216402 170360670 197545934 255541005 296318901 493864835 511082010 592637802 888956703 987729670 1027842709 1300419781 1481594505 1777913406 2055685418 2600839562 2963189010 3083528127 3901259343 4444783515 5139213545 6167056254 6502098905 7802518686 8889567030 9250584381 10278427090 11703778029 13004197810 15417640635 18501168762 19506296715 23407556058 30835281270 39012593430 46252921905 58518890145 92505843810 117037780290 235375980361 470751960722 706127941083 1176879901805 1412255882166 2118383823249 2353759803610 3530639705415 4236767646498 7061279410830 10591919116245 21183838232490
• Sum of all divisors σ(n): 55647473492520
• Sum of proper divisors (its aliquot sum) s(n): 34463635260030
• 21183838232490 is an abundant number, because the sum of its proper divisors (34463635260030) is greater than itself. Its abundance is 13279797027540

Bases of 21183838232490

• Binary: 100110100010000111111001001110001111110101010₂
• Hexadecimal: 0x13443F271FAA
• Base-36: 7IBPYBZQI

Squares and roots of 21183838232490

• 21183838232490 squared (21183838232490²) is 448755002260305047291600100
• 21183838232490 cubed (21183838232490³) is 9506353373902986427905915724007907249000
• The square root of 21183838232490 is 4602590.3828702809
• The cube root of 21183838232490 is 27669.5152351149

Scales and comparisons

• 21,183,838,232,490 seconds is equal to 673,580 years, 27 weeks, 3 days, 21 hours, 1 minute, 30 seconds.
• To count from 1 to 21,183,838,232,490 would take you about one million, six hundred eighty-three thousand, nine hundred fifty-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 21183838232490 cubic inches would be around 2305.8 feet tall.

Recreational maths with 21183838232490

• 21183838232490 backwards is 09423283838112
• The number of decimal digits it has is: 14
• The sum of 21183838232490's digits is 54
• More coming soon!