21382041756920

Names of 21382041756920

• Cardinal: 21382041756920 can be written as Twenty-one trillion, three hundred eighty-two billion, forty-one million, seven hundred fifty-six thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.138204175692 × 10¹³

Factors of 21382041756920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 100749

Divisors of 21382041756920

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 499 520 829 998 1658 1996 2495 3316 3992 4145 4990 6487 6632 8290 9980 10777 12974 16580 19960 21554 25948 32435 33160 43108 51896 53885 64870 86216 99401 107770 129740 198802 215540 259480 397604 413671 431080 497005 795208 827342 994010 1292213 1654684 1988020 2068355 2584426 3309368 3976040 4136710 5168852 5377723 6461065 8273420 10337704 10755446 12922130 16546840 21510892 25844260 26888615 43021784 49601099 51688520 53777230 82403429 99202198 107554460 164806858 198404396 215108920 248005495 329613716 396808792 412017145 496010990 644814287 659227432 824034290 992021980 1071244577 1289628574 1648068580 1984043960 2142489154 2579257148 3224071435 3296137160 4284978308 5158514296 5356222885 6448142870 8569956616 10712445770 12896285740 21424891540 25792571480 41119311071 42849783080 82238622142 164477244284 205596555355 328954488568 411193110710 534551043923 822386221420 1069102087846 1644772442840 2138204175692 2672755219615 4276408351384 5345510439230 10691020878460 21382041756920
• Sum of all divisors σ(n): 51977305800000
• Sum of proper divisors (its aliquot sum) s(n): 30595264043080
• 21382041756920 is an abundant number, because the sum of its proper divisors (30595264043080) is greater than itself. Its abundance is 9213222286160

Bases of 21382041756920

• Binary: 100110111001001100101000000001110010011111000₂
• Hexadecimal: 0x13726500E4F8
• Base-36: 7KURVLDYW

Squares and roots of 21382041756920

• 21382041756920 squared (21382041756920²) is 457191709694670520367886400
• 21382041756920 cubed (21382041756920³) is 9775692227609091450087492365002973888000
• The square root of 21382041756920 is 4624071.9887259541
• The cube root of 21382041756920 is 27755.5427640067

Scales and comparisons

• 21,382,041,756,920 seconds is equal to 679,882 years, 41 weeks, 3 hours, 35 minutes, 20 seconds.
• To count from 1 to 21,382,041,756,920 would take you about one million, six hundred ninety-nine thousand, seven hundred 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 21382041756920 cubic inches would be around 2313 feet tall.

Recreational maths with 21382041756920

• 21382041756920 backwards is 02965714028312
• The number of decimal digits it has is: 14
• The sum of 21382041756920's digits is 50
• More coming soon!