21084959100

Names of 21084959100

• Cardinal: 21084959100 can be written as Twenty-one billion, eighty-four million, nine hundred fifty-nine thousand, one hundred.

Scientific notation

• Scientific notation: 2.10849591 × 10¹⁰

Factors of 21084959100

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 553548

Divisors of 21084959100

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 127 150 254 300 381 508 635 762 1270 1524 1905 2540 3175 3810 6350 7620 9525 12700 19050 38100 553411 1106822 1660233 2213644 2767055 3320466 5534110 6640932 8301165 11068220 13835275 16602330 27670550 33204660 41505825 55341100 70283197 83011650 140566394 166023300 210849591 281132788 351415985 421699182 702831970 843398364 1054247955 1405663940 1757079925 2108495910 3514159850 4216991820 5271239775 7028319700 10542479550 21084959100
• Sum of all divisors σ(n): 61486286848
• Sum of proper divisors (its aliquot sum) s(n): 40401327748
• 21084959100 is an abundant number, because the sum of its proper divisors (40401327748) is greater than itself. Its abundance is 19316368648

Bases of 21084959100

• Binary: 10011101000110000101111000101111100₂
• Hexadecimal: 0x4E8C2F17C
• Base-36: 9OPFUKC

Squares and roots of 21084959100

• 21084959100 squared (21084959100²) is 444575500248672810000
• 21084959100 cubed (21084959100³) is 9373856239605306028132071000000
• The square root of 21084959100 is 145206.6083206959
• The cube root of 21084959100 is 2762.6397371355

Scales and comparisons

• 21,084,959,100 seconds is equal to 670 years, 22 weeks, 4 days, 21 hours, 5 minutes.
• To count from 1 to 21,084,959,100 would take you about one thousand, three hundred forty 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 21084959100 cubic inches would be around 230.2 feet tall.

Recreational maths with 21084959100

• 21084959100 backwards is 00195948012
• The number of decimal digits it has is: 11
• The sum of 21084959100's digits is 39
• More coming soon!