21041614368

Names of 21041614368

• Cardinal: 21041614368 can be written as Twenty-one billion, forty-one million, six hundred fourteen thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1041614368 × 10¹⁰

Factors of 21041614368

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 31135

Divisors of 21041614368

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 2557 5114 7671 10228 15342 20456 23013 28573 30684 40912 46026 57146 61368 81824 85719 92052 114292 122736 171438 184104 228584 245472 257157 342876 368208 457168 514314 685752 736416 914336 1028628 1371504 2057256 2743008 4114512 8229024 73061161 146122322 219183483 292244644 438366966 584489288 657550449 876733932 1168978576 1315100898 1753467864 2337957152 2630201796 3506935728 5260403592 7013871456 10520807184 21041614368
• Sum of all divisors σ(n): 59862587148
• Sum of proper divisors (its aliquot sum) s(n): 38820972780
• 21041614368 is an abundant number, because the sum of its proper divisors (38820972780) is greater than itself. Its abundance is 17779358412

Bases of 21041614368

• Binary: 10011100110001011011000111000100000₂
• Hexadecimal: 0x4E62D8E20
• Base-36: 9NZMTK0

Squares and roots of 21041614368

• 21041614368 squared (21041614368²) is 442749535211624039424
• 21041614368 cubed (21041614368³) is 9316164981534230308558236844032
• The square root of 21041614368 is 145057.2796105043
• The cube root of 21041614368 is 2760.7453689449

Scales and comparisons

• 21,041,614,368 seconds is equal to 669 years, 3 weeks, 4 hours, 52 minutes, 48 seconds.
• To count from 1 to 21,041,614,368 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 21041614368 cubic inches would be around 230.1 feet tall.

Recreational maths with 21041614368

• 21041614368 backwards is 86341614012
• 21041614368 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21041614368's digits is 36
• More coming soon!