21730026840

Names of 21730026840

• Cardinal: 21730026840 can be written as Twenty-one billion, seven hundred thirty million, twenty-six thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.173002684 × 10¹⁰

Factors of 21730026840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 97168

Divisors of 21730026840

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1901 3802 5703 7604 9505 11406 15208 19010 22812 28515 38020 45624 57030 76040 95257 114060 190514 228120 285771 381028 476285 571542 762056 952570 1143084 1428855 1905140 2286168 2857710 3810280 5715420 11430840 181083557 362167114 543250671 724334228 905417785 1086501342 1448668456 1810835570 2173002684 2716253355 3621671140 4346005368 5432506710 7243342280 10865013420 21730026840
• Sum of all divisors σ(n): 65225057760
• Sum of proper divisors (its aliquot sum) s(n): 43495030920
• 21730026840 is an abundant number, because the sum of its proper divisors (43495030920) is greater than itself. Its abundance is 21765004080

Bases of 21730026840

• Binary: 10100001111001101011110010101011000₂
• Hexadecimal: 0x50F35E558
• Base-36: 9ZDHW0O

Squares and roots of 21730026840

• 21730026840 squared (21730026840²) is 472194066467120385600
• 21730026840 cubed (21730026840³) is 10260789738019269956599149504000
• The square root of 21730026840 is 147411.0811302869
• The cube root of 21730026840 is 2790.5303753971

Scales and comparisons

• 21,730,026,840 seconds is equal to 690 years, 49 weeks, 1 day, 22 hours, 34 minutes.
• To count from 1 to 21,730,026,840 would take you about one thousand, three hundred eighty-one 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 21730026840 cubic inches would be around 232.5 feet tall.

Recreational maths with 21730026840

• 21730026840 backwards is 04862003712
• The number of decimal digits it has is: 11
• The sum of 21730026840's digits is 33
• More coming soon!