21365413760

Names of 21365413760

• Cardinal: 21365413760 can be written as Twenty-one billion, three hundred sixty-five million, four hundred thirteen thousand, seven hundred sixty.

Scientific notation

• Scientific notation: 2.136541376 × 10¹⁰

Factors of 21365413760

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1207

Divisors of 21365413760

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 181 320 362 640 724 905 1019 1448 1810 2038 2896 3620 4076 5095 5792 7240 8152 10190 11584 14480 16304 20380 23168 28960 32608 32761 40760 57920 65216 65522 81520 115840 130432 131044 163040 163805 184439 262088 326080 327610 368878 524176 652160 655220 737756 922195 1048352 1310440 1475512 1844390 2096704 2620880 2951024 3688780 4193408 5241760 5902048 7377560 10483520 11804096 14755120 20967040 23608192 29510240 33383459 59020480 66766918 118040960 133533836 166917295 267067672 333834590 534135344 667669180 1068270688 1335338360 2136541376 2670676720 4273082752 5341353440 10682706880 21365413760
• Sum of all divisors σ(n): 51410845800
• Sum of proper divisors (its aliquot sum) s(n): 30045432040
• 21365413760 is an abundant number, because the sum of its proper divisors (30045432040) is greater than itself. Its abundance is 8680018280

Bases of 21365413760

• Binary: 10011111001011110100101011110000000₂
• Hexadecimal: 0x4F97A5780
• Base-36: 9TCEYRK

Squares and roots of 21365413760

• 21365413760 squared (21365413760²) is 456480905135997337600
• 21365413760 cubed (21365413760³) is 9752903411769892188082405376000
• The square root of 21365413760 is 146169.1272464881
• The cube root of 21365413760 is 2774.8346089779

Scales and comparisons

• 21,365,413,760 seconds is equal to 679 years, 18 weeks, 2 days, 21 hours, 9 minutes, 20 seconds.
• To count from 1 to 21,365,413,760 would take you about one thousand, three hundred fifty-eight 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 21365413760 cubic inches would be around 231.2 feet tall.

Recreational maths with 21365413760

• 21365413760 backwards is 06731456312
• The number of decimal digits it has is: 11
• The sum of 21365413760's digits is 38
• More coming soon!