21998339055

Names of 21998339055

• Cardinal: 21998339055 can be written as Twenty-one billion, nine hundred ninety-eight million, three hundred thirty-nine thousand and fifty-five.

Scientific notation

• Scientific notation: 2.1998339055 × 10¹⁰

Factors of 21998339055

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2078

Divisors of 21998339055

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 5 7 9 11 15 21 33 35 41 45 49 55 63 77 99 105 121 123 147 165 205 231 245 287 315 363 369 385 441 451 495 539 605 615 693 735 847 861 1089 1155 1353 1435 1617 1815 1845 2009 2011 2205 2255 2541 2583 2695 3157 3465 4059 4235 4305 4851 4961 5445 5929 6027 6033 6765 7623 8085 9471 10045 10055 12705 12915 14077 14883 15785 17787 18081 18099 20295 22099 22121 24255 24805 28413 29645 30135 30165 34727 38115 42231 44649 47355 53361 66297 66363 70385 74415 82451 88935 90405 90495 98539 104181 110495 110605 126693 142065 154847 173635 198891 199089 211155 223245 243089 243331 247353 266805 295617 312543 331485 331815 412255 464541 492695 520905 577157 633465 729267 729993 742059 774235 886851 906961 994455 995445 1083929 1215445 1216655 1236765 1393623 1478085 1562715 1703317 1731471 2187801 2189979 2322705 2720883 2885785 3251787 3646335 3649965 3710295 4040099 4434255 4534805 5109951 5194413 5419645 6348727 6968115 8162649 8516585 8657355 9755361 9976571 10939005 10949895 11923219 12120297 13604415 15329853 16258935 19046181 20200495 25549755 25972065 29929713 31743635 35769657 36360891 40813245 44441089 48776805 49882855 57138543 59616095 60601485 69835997 76649265 89789139 95230905 107308971 133323267 149648565 178848285 181804455 209507991 222205445 285692715 349179985 399969801 448945695 488851979 536544855 628523973 666616335 1047539955 1466555937 1999849005 2444259895 3142619865 4399667811 7332779685 21998339055
• Sum of all divisors σ(n): 49968736272
• Sum of proper divisors (its aliquot sum) s(n): 27970397217
• 21998339055 is an abundant number, because the sum of its proper divisors (27970397217) is greater than itself. Its abundance is 5972058162

Bases of 21998339055

• Binary: 10100011111001101000000001111101111₂
• Hexadecimal: 0x51F3403EF
• Base-36: A3T8R1R

Squares and roots of 21998339055

• 21998339055 squared (21998339055²) is 483926921178738293025
• 21998339055 cubed (21998339055³) is 10645588489932145227075891591375
• The square root of 21998339055 is 148318.3705917779
• The cube root of 21998339055 is 2801.9688132257

Scales and comparisons

• 21,998,339,055 seconds is equal to 699 years, 24 weeks, 6 days, 9 hours, 44 minutes, 15 seconds.
• To count from 1 to 21,998,339,055 would take you about one thousand, three hundred ninety-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 21998339055 cubic inches would be around 233.5 feet tall.

Recreational maths with 21998339055

• 21998339055 backwards is 55093389912
• The number of decimal digits it has is: 11
• The sum of 21998339055's digits is 54
• More coming soon!