216402040920

Names of 216402040920

• Cardinal: 216402040920 can be written as Two hundred sixteen billion, four hundred two million, forty thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.1640204092 × 10¹¹

Factors of 216402040920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 138719280

Divisors of 216402040920

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 195 260 312 390 520 780 1560 138719257 277438514 416157771 554877028 693596285 832315542 1109754056 1387192570 1664631084 1803350341 2080788855 2774385140 3329262168 3606700682 4161577710 5410051023 5548770280 7213401364 8323155420 9016751705 10820102046 14426802728 16646310840 18033503410 21640204092 27050255115 36067006820 43280408184 54100510230 72134013640 108201020460 216402040920
• Sum of all divisors σ(n): 699145060320
• Sum of proper divisors (its aliquot sum) s(n): 482743019400
• 216402040920 is an abundant number, because the sum of its proper divisors (482743019400) is greater than itself. Its abundance is 266340978480

Bases of 216402040920

• Binary: 11001001100010100100010001100001011000₂
• Hexadecimal: 0x3262911858
• Base-36: 2REW6RFC

Squares and roots of 216402040920

• 216402040920 squared (216402040920²) is 46829843314341354446400
• 216402040920 cubed (216402040920³) is 10134073669187286207758076746688000
• The square root of 216402040920 is 465190.3276294553
• The cube root of 216402040920 is 6003.7202938699

Scales and comparisons

• 216,402,040,920 seconds is equal to 6,880 years, 47 weeks, 4 days, 6 hours, 2 minutes.
• To count from 1 to 216,402,040,920 would take you about thirteen thousand, seven hundred sixty-one 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 216402040920 cubic inches would be around 500.3 feet tall.

Recreational maths with 216402040920

• 216402040920 backwards is 029040204612
• 216402040920 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 216402040920's digits is 30
• More coming soon!