21021833160

Names of 21021833160

• Cardinal: 21021833160 can be written as Twenty-one billion, twenty-one million, eight hundred thirty-three thousand, one hundred sixty.

Scientific notation

• Scientific notation: 2.102183316 × 10¹⁰

Factors of 21021833160

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 19628

Divisors of 21021833160

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 3659 7318 10977 14636 15959 18295 21954 29272 31918 32931 36590 43908 47877 54885 63836 65862 73180 79795 87816 95754 109770 127672 131724 143631 146360 159590 164655 191508 219540 239385 263448 287262 319180 329310 383016 439080 478770 574524 638360 658620 718155 957540 1149048 1317240 1436310 1915080 2872620 5745240 58393981 116787962 175181943 233575924 291969905 350363886 467151848 525545829 583939810 700727772 875909715 1051091658 1167879620 1401455544 1751819430 2102183316 2335759240 2627729145 3503638860 4204366632 5255458290 7007277720 10510916580 21021833160
• Sum of all divisors σ(n): 68343912000
• Sum of proper divisors (its aliquot sum) s(n): 47322078840
• 21021833160 is an abundant number, because the sum of its proper divisors (47322078840) is greater than itself. Its abundance is 26300245680

Bases of 21021833160

• Binary: 10011100100111111111011011111001000₂
• Hexadecimal: 0x4E4FFB7C8
• Base-36: 9NNUUA0

Squares and roots of 21021833160

• 21021833160 squared (21021833160²) is 441917469406875585600
• 21021833160 cubed (21021833160³) is 9289915312360742717360498496000
• The square root of 21021833160 is 144989.0794508331
• The cube root of 21021833160 is 2759.8799727263

Scales and comparisons

• 21,021,833,160 seconds is equal to 668 years, 22 weeks, 2 days, 6 hours, 6 minutes.
• To count from 1 to 21,021,833,160 would take you about one thousand, three hundred thirty-six 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 21021833160 cubic inches would be around 230 feet tall.

Recreational maths with 21021833160

• 21021833160 backwards is 06133812012
• The number of decimal digits it has is: 11
• The sum of 21021833160's digits is 27
• More coming soon!