169821090209840

Names of 169821090209840

• Cardinal: 169821090209840 can be written as One hundred sixty-nine trillion, eight hundred twenty-one billion, ninety million, two hundred nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.6982109020984 × 10¹⁴

Factors of 169821090209840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5888271

Divisors of 169821090209840

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 80 385783 771566 1543132 1928915 3086264 3857830 5502481 6172528 7715660 11004962 15431320 22009924 27512405 30862640 44019848 55024810 88039696 110049620 220099240 440198480 2122763627623 4245527255246 8491054510492 10613818138115 16982109020984 21227636276230 33964218041968 42455272552460 84910545104920 169821090209840
• Sum of all divisors σ(n): 394835129955168
• Sum of proper divisors (its aliquot sum) s(n): 225014039745328
• 169821090209840 is an abundant number, because the sum of its proper divisors (225014039745328) is greater than itself. Its abundance is 55192949535488

Bases of 169821090209840

• Binary: 100110100111001110001101110000011110000000110000₂
• Hexadecimal: 0x9A738DC1E030
• Base-36: 1O72QCGKKW

Squares and roots of 169821090209840

• 169821090209840 squared (169821090209840²) is 28839202680058615095232825600
• 169821090209840 cubed (169821090209840³) is 4897504839910093569746392038755560123904000
• The square root of 169821090209840 is 13031542.1270792045
• The cube root of 169821090209840 is 55377.1424306675

Scales and comparisons

• 169,821,090,209,840 seconds is equal to 5,399,785 years, 19 weeks, 4 days, 10 hours, 17 minutes, 20 seconds.
• To count from 1 to 169,821,090,209,840 would take you about thirteen million, four hundred ninety-nine thousand, four hundred sixty-three 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 169821090209840 cubic inches would be around 4614.8 feet tall.

Recreational maths with 169821090209840

• 169821090209840 backwards is 048902090128961
• The number of decimal digits it has is: 15
• The sum of 169821090209840's digits is 59
• More coming soon!