21041409536

Names of 21041409536

• Cardinal: 21041409536 can be written as Twenty-one billion, forty-one million, four hundred nine thousand, five hundred thirty-six.

Scientific notation

• Scientific notation: 2.1041409536 × 10¹⁰

Factors of 21041409536

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2432

Divisors of 21041409536

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 512 896 1792 2423 3584 4846 9692 16961 19384 33922 38768 67844 77536 135688 155072 271376 310144 542752 620288 1085504 1240576 2171008 4342016 5870929 8684032 11741858 23483716 41096503 46967432 82193006 93934864 164386012 187869728 328772024 375739456 657544048 751478912 1315088096 1502957824 2630176192 3005915648 5260352384 10520704768 21041409536
• Sum of all divisors σ(n): 48067520952
• Sum of proper divisors (its aliquot sum) s(n): 27026111416
• 21041409536 is an abundant number, because the sum of its proper divisors (27026111416) is greater than itself. Its abundance is 5984701880

Bases of 21041409536

• Binary: 10011100110001010100110111000000000₂
• Hexadecimal: 0x4E62A6E00
• Base-36: 9NZIFI8

Squares and roots of 21041409536

• 21041409536 squared (21041409536²) is 442740915261671735296
• 21041409536 cubed (21041409536³) is 9315892916364307586358922182656
• The square root of 21041409536 is 145056.5735704521
• The cube root of 21041409536 is 2760.7364106521

Scales and comparisons

• 21,041,409,536 seconds is equal to 669 years, 2 weeks, 4 days, 19 hours, 58 minutes, 56 seconds.
• To count from 1 to 21,041,409,536 would take you about one thousand, three hundred thirty-eight 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 21041409536 cubic inches would be around 230.1 feet tall.

Recreational maths with 21041409536

• 21041409536 backwards is 63590414012
• The number of decimal digits it has is: 11
• The sum of 21041409536's digits is 35
• More coming soon!