21140527420

Names of 21140527420

• Cardinal: 21140527420 can be written as Twenty-one billion, one hundred forty million, five hundred twenty-seven thousand, four hundred twenty.

Scientific notation

• Scientific notation: 2.114052742 × 10¹⁰

Factors of 21140527420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1421

Divisors of 21140527420

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 20 41 67 82 134 164 205 268 335 410 449 670 820 857 898 1340 1714 1796 2245 2747 3428 4285 4490 5494 8570 8980 10988 13735 17140 18409 27470 30083 35137 36818 54940 57419 60166 70274 73636 92045 114838 120332 140548 150415 175685 184090 229676 287095 300830 351370 368180 384793 574190 601660 702740 769586 1148380 1233403 1539172 1923965 2354179 2466806 3847930 4708358 4933612 6167015 7695860 9416716 11770895 12334030 15776513 23541790 24668060 25781131 31553026 47083580 51562262 63106052 78882565 103124524 128905655 157765130 257811310 315530260 515622620 1057026371 2114052742 4228105484 5285131855 10570263710 21140527420
• Sum of all divisors σ(n): 46313467200
• Sum of proper divisors (its aliquot sum) s(n): 25172939780
• 21140527420 is an abundant number, because the sum of its proper divisors (25172939780) is greater than itself. Its abundance is 4032412360

Bases of 21140527420

• Binary: 10011101100000100101101100100111100₂
• Hexadecimal: 0x4EC12D93C
• Base-36: 9PMIVCS

Squares and roots of 21140527420

• 21140527420 squared (21140527420²) is 446921899595771856400
• 21140527420 cubed (21140527420³) is 9448164673002901846288502488000
• The square root of 21140527420 is 145397.8246742365
• The cube root of 21140527420 is 2765.0645396503

Scales and comparisons

• 21,140,527,420 seconds is equal to 672 years, 10 weeks, 4 days, 43 minutes, 40 seconds.
• To count from 1 to 21,140,527,420 would take you about one thousand, three hundred forty-four 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 21140527420 cubic inches would be around 230.4 feet tall.

Recreational maths with 21140527420

• 21140527420 backwards is 02472504112
• The number of decimal digits it has is: 11
• The sum of 21140527420's digits is 28
• More coming soon!