21242840247167

Names of 21242840247167

• Cardinal: 21242840247167 can be written as Twenty-one trillion, two hundred forty-two billion, eight hundred forty million, two hundred forty-seven thousand, one hundred sixty-seven.

Scientific notation

• Scientific notation: 2.1242840247167 × 10¹³

Factors of 21242840247167

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2781581

Divisors of 21242840247167

• Number of divisors d(n): 48
• Complete list of divisors:
  1 7 11 37 49 77 259 383 407 539 1813 2681 2849 4213 14171 18767 19943 29491 99197 155881 206437 694379 1091167 2781143 7638169 19468001 30592573 102902291 136276007 214148011 720316037 1065177769 1131925201 1499036077 5042212259 7456244383 7923476407 11716955459 39411577453 52193710681 55464334849 82018688213 275881042171 433527351983 574130817491 1931167295197 3034691463881 21242840247167
• Sum of all divisors σ(n): 27758398021632
• Sum of proper divisors (its aliquot sum) s(n): 6515557774465
• 21242840247167 is a deficient number, because the sum of its proper divisors (6515557774465) is less than itself. Its deficiency is 14727282472702

Bases of 21242840247167

• Binary: 100110101000111111011111100100110101101111111₂
• Hexadecimal: 0x1351FBF26B7F
• Base-36: 7J2TQLXMN

Squares and roots of 21242840247167

• 21242840247167 squared (21242840247167²) is 451258261766658129651525889
• 21242840247167 cubed (21242840247167³) is 9586007164923386768966210147463459406463
• The square root of 21242840247167 is 4608995.5789919131
• The cube root of 21242840247167 is 27695.1801434405

Scales and comparisons

• 21,242,840,247,167 seconds is equal to 675,456 years, 31 weeks, 5 days, 13 hours, 32 minutes, 47 seconds.
• To count from 1 to 21,242,840,247,167 would take you about one million, six hundred eighty-eight thousand, six hundred forty-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 21242840247167 cubic inches would be around 2307.9 feet tall.

Recreational maths with 21242840247167

• 21242840247167 backwards is 76174204824212
• The number of decimal digits it has is: 14
• The sum of 21242840247167's digits is 50
• More coming soon!