21565229712200031

Names of 21565229712200031

• Cardinal: 21565229712200031 can be written as Twenty-one quadrillion, five hundred sixty-five trillion, two hundred twenty-nine billion, seven hundred twelve million, two hundred thousand and thirty-one.

Scientific notation

• Scientific notation: 2.1565229712200031 × 10¹⁶

Factors of 21565229712200031

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 13821450111

Divisors of 21565229712200031

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 11 13 33 39 143 429 3637 10911 40007 47281 120021 141843 520091 1560273 13821446447 41464339341 152035910917 179678803811 456107732751 539036411433 1976466841921 5929400525763 50268600727739 150805802183217 552954608005129 653491809460607 1658863824015387 1960475428381821 7188409904066677 21565229712200031
• Sum of all divisors σ(n): 33789787703497728
• Sum of proper divisors (its aliquot sum) s(n): 12224557991297697
• 21565229712200031 is a deficient number, because the sum of its proper divisors (12224557991297697) is less than itself. Its deficiency is 9340671720902334

Bases of 21565229712200031

• Binary: 1001100100111010111011001010000011111101101000101011111₂
• Hexadecimal: 0x4C9D76507ED15F
• Base-36: 5WC8HRGWV33

Squares and roots of 21565229712200031

• 21565229712200031 squared (21565229712200031²) is 465059132539955031873082156400961
• 21565229712200031 cubed (21565229712200031³) is 10029107022980610523834398077215639639380272629791
• The square root of 21565229712200031 is 146851046.0030844691
• The cube root of 21565229712200031 is 278345.8151508453

Scales and comparisons

• 21,565,229,712,200,031 seconds is equal to 685,707,599 years, 11 weeks, 10 hours, 13 minutes, 51 seconds.
• To count from 1 to 21,565,229,712,200,031 would take you about two billion, fifty-seven million, one hundred twenty-two thousand, seven hundred ninety-seven 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 21565229712200031 cubic inches would be around 23195.5 feet tall.

Recreational maths with 21565229712200031

• 21565229712200031 backwards is 13000221792256512
• The number of decimal digits it has is: 17
• The sum of 21565229712200031's digits is 48
• More coming soon!