13020921917397

Names of 13020921917397

• Cardinal: 13020921917397 can be written as Thirteen trillion, twenty billion, nine hundred twenty-one million, nine hundred seventeen thousand, three hundred ninety-seven.

Scientific notation

• Scientific notation: 1.3020921917397 × 10¹³

Factors of 13020921917397

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 115899246

Divisors of 13020921917397

• Number of divisors d(n): 40
• Complete list of divisors:
  1 3 9 19 27 57 73 81 171 219 513 657 1387 1539 1971 4161 5913 12483 37449 112347 115899151 347697453 1043092359 2202083869 3129277077 6606251607 8460638023 9387831231 19818754821 25381914069 59456264463 76145742207 160752122437 178368793389 228437226621 482256367311 685311679863 1446769101933 4340307305799 13020921917397
• Sum of all divisors σ(n): 20755220140160
• Sum of proper divisors (its aliquot sum) s(n): 7734298222763
• 13020921917397 is a deficient number, because the sum of its proper divisors (7734298222763) is less than itself. Its deficiency is 5286623694634

Bases of 13020921917397

• Binary: 10111101011110101011011011001110111111010101₂
• Hexadecimal: 0xBD7AB6CEFD5
• Base-36: 4M5Q8PWB9

Squares and roots of 13020921917397

• 13020921917397 squared (13020921917397²) is 169544407578949566891255609
• 13020921917397 cubed (13020921917397³) is 2207624492616834453180850692933110929773
• The square root of 13020921917397 is 3608451.4569822053
• The cube root of 13020921917397 is 23525.9540728139

Scales and comparisons

• 13,020,921,917,397 seconds is equal to 414,025 years, 2 weeks, 18 hours, 49 minutes, 57 seconds.
• To count from 1 to 13,020,921,917,397 would take you about one million, thirty-five thousand and sixty-two 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 13020921917397 cubic inches would be around 1960.5 feet tall.

Recreational maths with 13020921917397

• 13020921917397 backwards is 79371912902031
• The number of decimal digits it has is: 14
• The sum of 13020921917397's digits is 54
• More coming soon!