21004713354394

Names of 21004713354394

• Cardinal: 21004713354394 can be written as Twenty-one trillion, four billion, seven hundred thirteen million, three hundred fifty-four thousand, three hundred ninety-four.

Scientific notation

• Scientific notation: 2.1004713354394 × 10¹³

Factors of 21004713354394

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 274631

Divisors of 21004713354394

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 7 11 14 22 77 154 457 914 1093 2186 3199 5027 6398 7651 10054 12023 15302 24046 35189 70378 84161 168322 273061 499501 546122 999002 1911427 3003671 3496507 3822854 5494511 6007342 6993014 10989022 21025697 38461577 42051394 76923154 124788877 249577754 298455673 596911346 873522139 1372677647 1747044278 2089189711 2745355294 3283012403 4178379422 6566024806 9608743529 19217487058 22981086821 45962173642 136394242561 272788485122 954759697927 1500336668171 1909519395854 3000673336342 10502356677197 21004713354394
• Sum of all divisors σ(n): 39403659232512
• Sum of proper divisors (its aliquot sum) s(n): 18398945878118
• 21004713354394 is a deficient number, because the sum of its proper divisors (18398945878118) is less than itself. Its deficiency is 2605767476276

Bases of 21004713354394

• Binary: 100110001101010001010011110100110010010011010₂
• Hexadecimal: 0x131A8A7A649A
• Base-36: 7G1FK078A

Squares and roots of 21004713354394

• 21004713354394 squared (21004713354394²) is 441197983100257643439107236
• 21004713354394 cubed (21004713354394³) is 9267237167557680049327487757362237794984
• The square root of 21004713354394 is 4583089.9352286335
• The cube root of 21004713354394 is 27591.3057026415

Scales and comparisons

• 21,004,713,354,394 seconds is equal to 667,884 years, 47 weeks, 3 days, 6 hours, 26 minutes, 34 seconds.
• To count from 1 to 21,004,713,354,394 would take you about one million, six hundred sixty-nine thousand, seven hundred twelve 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 21004713354394 cubic inches would be around 2299.3 feet tall.

Recreational maths with 21004713354394

• 21004713354394 backwards is 49345331740012
• The number of decimal digits it has is: 14
• The sum of 21004713354394's digits is 46
• More coming soon!