13021658687913721

Names of 13021658687913721

• Cardinal: 13021658687913721 can be written as Thirteen quadrillion, twenty-one trillion, six hundred fifty-eight billion, six hundred eighty-seven million, nine hundred thirteen thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.3021658687913721 × 10¹⁶

Factors of 13021658687913721

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 271938

Divisors of 13021658687913721

• Number of divisors d(n): 24
• Complete list of divisors:
  1 43 1667 1849 16661 71681 253567 716423 3082283 10903381 27773887 30806189 422696189 468845383 1194277141 4224679787 18175936127 51353917063 181661230841 781565253461 7042541204929 7811432926163 302829271811947 13021658687913721
• Sum of all divisors σ(n): 13340381074320384
• Sum of proper divisors (its aliquot sum) s(n): 318722386406663
• 13021658687913721 is a deficient number, because the sum of its proper divisors (318722386406663) is less than itself. Its deficiency is 12702936301507058

Bases of 13021658687913721

• Binary: 101110010000110010000100101100011110101011111011111001₂
• Hexadecimal: 0x2E43212C7ABEF9
• Base-36: 3K7SJF1IPKP

Squares and roots of 13021658687913721

• 13021658687913721 squared (13021658687913721²) is 169563594984518889964123540065841
• 13021658687913721 cubed (13021658687913721³) is 2207999259784043851589775998496459934763267304361
• The square root of 13021658687913721 is 114112482.6121740329
• The cube root of 13021658687913721 is 235263.9779209715

Scales and comparisons

• 13,021,658,687,913,721 seconds is equal to 414,048,467 years, 33 weeks, 2 days, 5 hours, 22 minutes, 1 second.
• To count from 1 to 13,021,658,687,913,721 would take you about one billion, two hundred forty-two million, one hundred forty-five thousand, four hundred 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 13021658687913721 cubic inches would be around 19605.3 feet tall.

Recreational maths with 13021658687913721

• 13021658687913721 backwards is 12731978685612031
• The number of decimal digits it has is: 17
• The sum of 13021658687913721's digits is 70
• More coming soon!