21489248100

Names of 21489248100

• Cardinal: 21489248100 can be written as Twenty-one billion, four hundred eighty-nine million, two hundred forty-eight thousand, one hundred.

Scientific notation

• Scientific notation: 2.14892481 × 10¹⁰

Factors of 21489248100

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 19838

Divisors of 21489248100

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 4751 9502 14253 15077 19004 23755 28506 30154 45231 47510 57012 60308 71265 75385 90462 95020 118775 142530 150770 180924 226155 237550 285060 301540 356325 376925 452310 475100 712650 753850 904620 1130775 1425300 1507700 2261550 4523100 71630827 143261654 214892481 286523308 358154135 429784962 716308270 859569924 1074462405 1432616540 1790770675 2148924810 3581541350 4297849620 5372312025 7163082700 10744624050 21489248100
• Sum of all divisors σ(n): 62192769408
• Sum of proper divisors (its aliquot sum) s(n): 40703521308
• 21489248100 is an abundant number, because the sum of its proper divisors (40703521308) is greater than itself. Its abundance is 19214273208

Bases of 21489248100

• Binary: 10100000000110110111110011101100100₂
• Hexadecimal: 0x500DBE764
• Base-36: 9VE55YC

Squares and roots of 21489248100

• 21489248100 squared (21489248100²) is 461787783903353610000
• 21489248100 cubed (21489248100³) is 9923472257848352147320641000000
• The square root of 21489248100 is 146592.1147265435
• The cube root of 21489248100 is 2780.1852825805

Scales and comparisons

• 21,489,248,100 seconds is equal to 683 years, 15 weeks, 1 day, 3 hours, 35 minutes.
• To count from 1 to 21,489,248,100 would take you about one thousand, three hundred sixty-six 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 21489248100 cubic inches would be around 231.7 feet tall.

Recreational maths with 21489248100

• 21489248100 backwards is 00184298412
• The number of decimal digits it has is: 11
• The sum of 21489248100's digits is 39
• More coming soon!