21310780590

Names of 21310780590

• Cardinal: 21310780590 can be written as Twenty-one billion, three hundred ten million, seven hundred eighty thousand, five hundred ninety.

Scientific notation

• Scientific notation: 2.131078059 × 10¹⁰

Factors of 21310780590

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 12449

Divisors of 21310780590

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 90 99 110 135 165 198 270 297 330 495 594 607 990 1214 1485 1821 2970 3035 3642 5463 6070 6677 9105 10926 11821 13354 16389 18210 20031 23642 27315 32778 33385 35463 40062 54630 59105 60093 66770 70926 81945 100155 106389 118210 120186 130031 163890 177315 180279 200310 212778 260062 300465 319167 354630 360558 390093 531945 600930 638334 650155 780186 901395 1063890 1170279 1300310 1595835 1802790 1950465 2340558 3191670 3510837 3900930 5851395 7021674 7175347 11702790 14350694 17554185 21526041 35108370 35876735 43052082 64578123 71753470 78928817 107630205 129156246 157857634 193734369 215260410 236786451 322890615 387468738 394644085 473572902 645781230 710359353 789288170 968671845 1183932255 1420718706 1937343690 2131078059 2367864510 3551796765 4262156118 7103593530 10655390295 21310780590
• Sum of all divisors σ(n): 62102384640
• Sum of proper divisors (its aliquot sum) s(n): 40791604050
• 21310780590 is an abundant number, because the sum of its proper divisors (40791604050) is greater than itself. Its abundance is 19480823460

Bases of 21310780590

• Binary: 10011110110001110001011010010101110₂
• Hexadecimal: 0x4F638B4AE
• Base-36: 9SFVZJI

Squares and roots of 21310780590

• 21310780590 squared (21310780590²) is 454149369355120748100
• 21310780590 cubed (21310780590³) is 9678277565413848055715759379000
• The square root of 21310780590 is 145982.1242138913
• The cube root of 21310780590 is 2772.4674278753

Scales and comparisons

• 21,310,780,590 seconds is equal to 677 years, 32 weeks, 13 hours, 16 minutes, 30 seconds.
• To count from 1 to 21,310,780,590 would take you about one thousand, three hundred fifty-five 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 21310780590 cubic inches would be around 231 feet tall.

Recreational maths with 21310780590

• 21310780590 backwards is 09508701312
• The number of decimal digits it has is: 11
• The sum of 21310780590's digits is 36
• More coming soon!