21406473184369

Names of 21406473184369

• Cardinal: 21406473184369 can be written as Twenty-one trillion, four hundred six billion, four hundred seventy-three million, one hundred eighty-four thousand, three hundred sixty-nine.

Scientific notation

• Scientific notation: 2.1406473184369 × 10¹³

Factors of 21406473184369

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3931

Divisors of 21406473184369

• Number of divisors d(n): 45
• Complete list of divisors:
  1 7 13 49 91 169 637 1183 2197 3911 8281 15379 27377 28561 50843 107653 191639 199927 355901 660959 1399489 2491307 4626713 8592467 15295921 32386991 60147269 107071447 111702071 198846973 421030883 749500129 781914497 1391928811 2585010649 5473401479 9743501677 18095074543 33605138437 126665521801 235235969059 436866799681 1646651783413 3058067597767 21406473184369
• Sum of all divisors σ(n): 26983351572621
• Sum of proper divisors (its aliquot sum) s(n): 5576878388252
• 21406473184369 is a deficient number, because the sum of its proper divisors (5576878388252) is less than itself. Its deficiency is 15829594796117

Bases of 21406473184369

• Binary: 100110111100000010101001110101110010001110001₂
• Hexadecimal: 0x1378153AE471
• Base-36: 7L5ZXFO1D

Squares and roots of 21406473184369

• 21406473184369 squared (21406473184369²) is 458237094193109075065928161
• 21406473184369 cubed (21406473184369³) is 9809240068927961020743091459216262115409
• 21406473184369 is a perfect square number. Its square root is 4626713
• The cube root of 21406473184369 is 27766.1100339473

Scales and comparisons

• 21,406,473,184,369 seconds is equal to 680,659 years, 32 weeks, 6 days, 7 hours, 12 minutes, 49 seconds.
• To count from 1 to 21,406,473,184,369 would take you about one million, seven hundred one thousand, six hundred forty-nine 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 21406473184369 cubic inches would be around 2313.8 feet tall.

Recreational maths with 21406473184369

• 21406473184369 backwards is 96348137460412
• The number of decimal digits it has is: 14
• The sum of 21406473184369's digits is 58
• More coming soon!