21070521553216996

Names of 21070521553216996

• Cardinal: 21070521553216996 can be written as Twenty-one quadrillion, seventy trillion, five hundred twenty-one billion, five hundred fifty-three million, two hundred sixteen thousand, nine hundred ninety-six.

Scientific notation

• Scientific notation: 2.1070521553216996 × 10¹⁶

Factors of 21070521553216996

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 10368358

Divisors of 21070521553216996

• Number of divisors d(n): 27
• Complete list of divisors:
  1 2 4 7 14 28 49 98 196 10368349 20736698 41473396 72578443 145156886 290313772 508049101 1016098202 2032196404 107502660985801 215005321971602 430010643943204 752518626900607 1505037253801214 3010074507602428 5267630388304249 10535260776608498 21070521553216996
• Sum of all divisors σ(n): 42893565870306249
• Sum of proper divisors (its aliquot sum) s(n): 21823044317089253
• 21070521553216996 is an abundant number, because the sum of its proper divisors (21823044317089253) is greater than itself. Its abundance is 752522763872257

Bases of 21070521553216996

• Binary: 1001010110110111000011100011000011010010110010111100100₂
• Hexadecimal: 0x4ADB87186965E4
• Base-36: 5RGVJZ01GIS

Squares and roots of 21070521553216996

• 21070521553216996 squared (21070521553216996²) is 443966878524581969598876663264016
• 21070521553216996 cubed (21070521553216996³) is 9354613682866676267520641686968250297758486415936
• 21070521553216996 is a perfect square number. Its square root is 145156886
• The cube root of 21070521553216996 is 276200.9037191067

Scales and comparisons

• 21,070,521,553,216,996 seconds is equal to 669,977,409 years, 51 weeks, 3 days, 7 hours, 23 minutes, 16 seconds.
• To count from 1 to 21,070,521,553,216,996 would take you about two billion, nine million, nine hundred thirty-two thousand, two hundred twenty-nine 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 21070521553216996 cubic inches would be around 23016.7 feet tall.

Recreational maths with 21070521553216996

• 21070521553216996 backwards is 69961235512507012
• The number of decimal digits it has is: 17
• The sum of 21070521553216996's digits is 64
• More coming soon!