21040524760

Names of 21040524760

• Cardinal: 21040524760 can be written as Twenty-one billion, forty million, five hundred twenty-four thousand, seven hundred sixty.

Scientific notation

• Scientific notation: 2.104052476 × 10¹⁰

Factors of 21040524760

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 17524

Divisors of 21040524760

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 1759 3518 7036 8795 14072 15739 17590 31478 33421 35180 62956 66842 70360 78695 125912 133684 157390 167105 267368 299041 314780 334210 598082 629560 668420 1196164 1336840 1495205 2392328 2990410 5980820 11961640 27684901 55369802 110739604 138424505 221479208 276849010 526013119 553698020 1052026238 1107396040 2104052476 2630065595 4208104952 5260131190 10520262380 21040524760
• Sum of all divisors σ(n): 49864320000
• Sum of proper divisors (its aliquot sum) s(n): 28823795240
• 21040524760 is an abundant number, because the sum of its proper divisors (28823795240) is greater than itself. Its abundance is 7783270480

Bases of 21040524760

• Binary: 10011100110000111001110110111011000₂
• Hexadecimal: 0x4E61CEDD8
• Base-36: 9NYZGT4

Squares and roots of 21040524760

• 21040524760 squared (21040524760²) is 442703682176173057600
• 21040524760 cubed (21040524760³) is 9314717786170939900477706176000
• The square root of 21040524760 is 145053.5237765701
• The cube root of 21040524760 is 2760.6977144557

Scales and comparisons

• 21,040,524,760 seconds is equal to 669 years, 1 week, 1 day, 14 hours, 12 minutes, 40 seconds.
• To count from 1 to 21,040,524,760 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 21040524760 cubic inches would be around 230.1 feet tall.

Recreational maths with 21040524760

• 21040524760 backwards is 06742504012
• The number of decimal digits it has is: 11
• The sum of 21040524760's digits is 31
• More coming soon!