21682384164

Names of 21682384164

• Cardinal: 21682384164 can be written as Twenty-one billion, six hundred eighty-two million, three hundred eighty-four thousand, one hundred sixty-four.

Scientific notation

• Scientific notation: 2.1682384164 × 10¹⁰

Factors of 21682384164

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4798

Divisors of 21682384164

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 53 63 84 98 106 126 147 159 196 212 252 294 318 343 371 441 477 588 636 686 742 882 954 1029 1113 1372 1484 1764 1908 2058 2226 2401 2597 3087 3339 4116 4452 4733 4802 5194 6174 6678 7203 7791 9466 9604 10388 12348 13356 14199 14406 15582 18179 18932 21609 23373 28398 28812 31164 33131 36358 42597 43218 46746 54537 56796 66262 72716 85194 86436 93492 99393 109074 127253 132524 163611 170388 198786 218148 231917 250849 254506 298179 327222 381759 397572 463834 501698 509012 596358 654444 695751 752547 763518 927668 1003396 1145277 1192716 1391502 1505094 1527036 1623419 1755943 2087253 2257641 2290554 2783004 3010188 3246838 3511886 4174506 4515282 4581108 4870257 5267829 6493676 7023772 8349012 9030564 9740514 10535658 11363933 12291601 14610771 15803487 19481028 21071316 22727866 24583202 29221542 31606974 34091799 36874803 45455732 49166404 58443084 63213948 68183598 73749606 86041207 102275397 110624409 136367196 147499212 172082414 204550794 221248818 258123621 344164828 409101588 442497636 516247242 602288449 774370863 1032494484 1204576898 1548741726 1806865347 2409153796 3097483452 3613730694 5420596041 7227461388 10841192082 21682384164
• Sum of all divisors σ(n): 65159315676
• Sum of proper divisors (its aliquot sum) s(n): 43476931512
• 21682384164 is an abundant number, because the sum of its proper divisors (43476931512) is greater than itself. Its abundance is 21794547348

Bases of 21682384164

• Binary: 10100001100010111101110110100100100₂
• Hexadecimal: 0x50C5EED24
• Base-36: 9YL4QP0

Squares and roots of 21682384164

• 21682384164 squared (21682384164²) is 470125783035277978896
• 21682384164 cubed (21682384164³) is 10193447833172211102952556602944
• The square root of 21682384164 is 147249.3944435765
• The cube root of 21682384164 is 2788.4894879761

Scales and comparisons

• 21,682,384,164 seconds is equal to 689 years, 22 weeks, 3 days, 12 hours, 29 minutes, 24 seconds.
• To count from 1 to 21,682,384,164 would take you about one thousand, three hundred seventy-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 21682384164 cubic inches would be around 232.4 feet tall.

Recreational maths with 21682384164

• 21682384164 backwards is 46148328612
• The number of decimal digits it has is: 11
• The sum of 21682384164's digits is 45
• More coming soon!