21426542475

Names of 21426542475

• Cardinal: 21426542475 can be written as Twenty-one billion, four hundred twenty-six million, five hundred forty-two thousand, four hundred seventy-five.

Scientific notation

• Scientific notation: 2.1426542475 × 10¹⁰

Factors of 21426542475

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 8799

Divisors of 21426542475

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 13 15 25 39 65 75 169 195 197 325 507 591 845 975 985 2535 2561 2955 4225 4925 7683 8581 12675 12805 14775 25743 33293 38415 42905 64025 99879 111553 128715 166465 192075 214525 334659 499395 557765 643575 832325 1450189 1673295 1690457 2496975 2788825 4350567 5071371 7250945 8366475 8452285 21752835 21975941 25356855 36254725 42261425 65927823 108764175 109879705 126784275 285687233 329639115 549398525 857061699 1428436165 1648195575 4285308495 7142180825 21426542475
• Sum of all divisors σ(n): 38559063312
• Sum of proper divisors (its aliquot sum) s(n): 17132520837
• 21426542475 is a deficient number, because the sum of its proper divisors (17132520837) is less than itself. Its deficiency is 4294021638

Bases of 21426542475

• Binary: 10011111101000111110001011110001011₂
• Hexadecimal: 0x4FD1F178B
• Base-36: 9UCT5ZF

Squares and roots of 21426542475

• 21426542475 squared (21426542475²) is 459096722432979125625
• 21426542475 cubed (21426542475³) is 9836855423343512575992423421875
• The square root of 21426542475 is 146378.0805824425
• The cube root of 21426542475 is 2777.4784545191

Scales and comparisons

• 21,426,542,475 seconds is equal to 681 years, 15 weeks, 3 days, 9 hours, 21 minutes, 15 seconds.
• To count from 1 to 21,426,542,475 would take you about one thousand, three hundred sixty-two 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 21426542475 cubic inches would be around 231.5 feet tall.

Recreational maths with 21426542475

• 21426542475 backwards is 57424562412
• The number of decimal digits it has is: 11
• The sum of 21426542475's digits is 42
• More coming soon!