21084179382

Names of 21084179382

• Cardinal: 21084179382 can be written as Twenty-one billion, eighty-four million, one hundred seventy-nine thousand, three hundred eighty-two.

Scientific notation

• Scientific notation: 2.1084179382 × 10¹⁰

Factors of 21084179382

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 15715

Divisors of 21084179382

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 7 9 14 17 18 21 34 37 42 51 63 74 102 111 119 126 153 222 238 259 289 306 333 357 518 578 629 666 714 777 867 1071 1258 1554 1734 1887 2023 2142 2331 2601 3774 4046 4403 4662 5202 5661 6069 8806 10693 11322 12138 13209 15649 18207 21386 26418 31298 32079 36414 39627 46947 64158 74851 79254 93894 96237 109543 140841 149702 192474 219086 224553 266033 281682 328629 449106 532066 579013 657258 673659 798099 985887 1158026 1347318 1596198 1737039 1862231 1971774 2394297 3474078 3724462 4053091 4522561 4788594 5211117 5586693 8106182 9045122 9843221 10422234 11173386 12159273 13567683 16760079 19686442 24318546 27135366 29529663 31657927 33520158 36477819 40703049 59059326 63315854 68902547 72955638 81406098 88588989 94973781 137805094 167334757 177177978 189947562 206707641 284921343 334669514 413415282 502004271 569842686 620122923 1004008542 1171343299 1240245846 1506012813 2342686598 3012025626 3514029897 7028059794 10542089691 21084179382
• Sum of all divisors σ(n): 56962744800
• Sum of proper divisors (its aliquot sum) s(n): 35878565418
• 21084179382 is an abundant number, because the sum of its proper divisors (35878565418) is greater than itself. Its abundance is 14794386036

Bases of 21084179382

• Binary: 10011101000101101110000101110110110₂
• Hexadecimal: 0x4E8B70BB6
• Base-36: 9OOZ4XI

Squares and roots of 21084179382

• 21084179382 squared (21084179382²) is 444542620212353901924
• 21084179382 cubed (21084179382³) is 9372816347501568600633250930968
• The square root of 21084179382 is 145203.9234387281
• The cube root of 21084179382 is 2762.6056827419

Scales and comparisons

• 21,084,179,382 seconds is equal to 670 years, 21 weeks, 2 days, 20 hours, 29 minutes, 42 seconds.
• To count from 1 to 21,084,179,382 would take you about one thousand, three hundred forty 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 21084179382 cubic inches would be around 230.2 feet tall.

Recreational maths with 21084179382

• 21084179382 backwards is 28397148012
• The number of decimal digits it has is: 11
• The sum of 21084179382's digits is 45
• More coming soon!