21046124800

Names of 21046124800

• Cardinal: 21046124800 can be written as Twenty-one billion, forty-six million, one hundred twenty-four thousand, eight hundred.

Scientific notation

• Scientific notation: 2.10461248 × 10¹⁰

Factors of 21046124800

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3288464

Divisors of 21046124800

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 640 800 1280 1600 3200 6400 3288457 6576914 13153828 16442285 26307656 32884570 52615312 65769140 82211425 105230624 131538280 164422850 210461248 263076560 328845700 420922496 526153120 657691400 841844992 1052306240 1315382800 2104612480 2630765600 4209224960 5261531200 10523062400 21046124800
• Sum of all divisors σ(n): 52092463178
• Sum of proper divisors (its aliquot sum) s(n): 31046338378
• 21046124800 is an abundant number, because the sum of its proper divisors (31046338378) is greater than itself. Its abundance is 10000213578

Bases of 21046124800

• Binary: 10011100110011100100110000100000000₂
• Hexadecimal: 0x4E6726100
• Base-36: 9O2BHTS

Squares and roots of 21046124800

• 21046124800 squared (21046124800²) is 442939369097175040000
• 21046124800 cubed (21046124800³) is 9322157240852409219284992000000
• The square root of 21046124800 is 145072.8258496401
• The cube root of 21046124800 is 2760.9426171917

Scales and comparisons

• 21,046,124,800 seconds is equal to 669 years, 10 weeks, 3 days, 9 hours, 46 minutes, 40 seconds.
• To count from 1 to 21,046,124,800 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 21046124800 cubic inches would be around 230.1 feet tall.

Recreational maths with 21046124800

• 21046124800 backwards is 00842164012
• The number of decimal digits it has is: 11
• The sum of 21046124800's digits is 28
• More coming soon!