21356789498216271

Names of 21356789498216271

• Cardinal: 21356789498216271 can be written as Twenty-one quadrillion, three hundred fifty-six trillion, seven hundred eighty-nine billion, four hundred ninety-eight million, two hundred sixteen thousand, two hundred seventy-one.

Scientific notation

• Scientific notation: 2.1356789498216271 × 10¹⁶

Factors of 21356789498216271

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 13619872009

Divisors of 21356789498216271

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 9 11 33 47 99 141 337 423 517 1011 1551 3033 3707 4653 11121 15839 33363 47517 142551 174229 522687 1568061 13619871611 40859614833 122578844499 149818587721 449455763163 640133965717 1348367289489 1920401897151 4589896732907 5761205691453 7041473622887 13769690198721 21124420868661 41309070596163 50488864061977 63373262605983 151466592185931 215725146446629 454399776557793 647175439339887 1941526318019661 2372976610912919 7118929832738757 21356789498216271
• Sum of all divisors σ(n): 34471132337161728
• Sum of proper divisors (its aliquot sum) s(n): 13114342838945457
• 21356789498216271 is a deficient number, because the sum of its proper divisors (13114342838945457) is less than itself. Its deficiency is 8242446659270814

Bases of 21356789498216271

• Binary: 1001011110111111110001100001011100101010111111101001111₂
• Hexadecimal: 0x4BDFE30B957F4F
• Base-36: 5UACLNF9UTR

Squares and roots of 21356789498216271

• 21356789498216271 squared (21356789498216271²) is 456112457671120800447090689145441
• 21356789498216271 cubed (21356789498216271³) is 9741097745996206146210771101228429693810791670511
• The square root of 21356789498216271 is 146139623.2998301901
• The cube root of 21356789498216271 is 277446.1199862725

Scales and comparisons

• 21,356,789,498,216,271 seconds is equal to 679,079,845 years, 8 weeks, 18 hours, 17 minutes, 51 seconds.
• To count from 1 to 21,356,789,498,216,271 would take you about two billion, thirty-seven million, two hundred thirty-nine thousand, five hundred thirty-five 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 21356789498216271 cubic inches would be around 23120.5 feet tall.

Recreational maths with 21356789498216271

• 21356789498216271 backwards is 17261289498765312
• The number of decimal digits it has is: 17
• The sum of 21356789498216271's digits is 81
• More coming soon!