21042269870564

Names of 21042269870564

• Cardinal: 21042269870564 can be written as Twenty-one trillion, forty-two billion, two hundred sixty-nine million, eight hundred seventy thousand, five hundred sixty-four.

Scientific notation

• Scientific notation: 2.1042269870564 × 10¹³

Factors of 21042269870564

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2203

Divisors of 21042269870564

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 4 41 82 164 181 362 724 1979 3958 7421 7916 14842 29684 32761 65522 81139 131044 162278 324556 358199 716398 1343201 1432796 2686402 3916441 5372804 7832882 14686159 15665764 29372318 58744636 64834019 129668038 160574081 259336076 321148162 642296324 708875821 1417751642 2658194779 2835503284 5316389558 10632779116 29063908661 58127817322 116255634644 128306523601 256613047202 513226094404 5260567467641 10521134935282 21042269870564
• Sum of all divisors σ(n): 37950855642882
• Sum of proper divisors (its aliquot sum) s(n): 16908585772318
• 21042269870564 is a deficient number, because the sum of its proper divisors (16908585772318) is less than itself. Its deficiency is 4133684098246

Bases of 21042269870564

• Binary: 100110010001101001001000001010101100111100100₂
• Hexadecimal: 0x1323490559E4
• Base-36: 7GIOO6OKK

Squares and roots of 21042269870564

• 21042269870564 squared (21042269870564²) is 442777121305645497313678096
• 21042269870564 cubed (21042269870564³) is 9317035679024845605441158598824681966144
• The square root of 21042269870564 is 4587185.3974484179
• The cube root of 21042269870564 is 27607.7403684795

Scales and comparisons

• 21,042,269,870,564 seconds is equal to 669,079 years, 4 weeks, 6 days, 4 hours, 2 minutes, 44 seconds.
• To count from 1 to 21,042,269,870,564 would take you about one million, six hundred seventy-two thousand, six hundred ninety-seven 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 21042269870564 cubic inches would be around 2300.6 feet tall.

Recreational maths with 21042269870564

• 21042269870564 backwards is 46507896224012
• The number of decimal digits it has is: 14
• The sum of 21042269870564's digits is 56
• More coming soon!