13438491456951901

Names of 13438491456951901

• Cardinal: 13438491456951901 can be written as Thirteen quadrillion, four hundred thirty-eight trillion, four hundred ninety-one billion, four hundred fifty-six million, nine hundred fifty-one thousand, nine hundred one.

Scientific notation

• Scientific notation: 1.3438491456951901 × 10¹⁶

Factors of 13438491456951901

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 2240751

Divisors of 13438491456951901

• Number of divisors d(n): 8
• Complete list of divisors:
  1 19333 376837 1844581 7285389721 35661284473 695106370297 13438491456951901
• Sum of all divisors σ(n): 13439229512237144
• Sum of proper divisors (its aliquot sum) s(n): 738055285243
• 13438491456951901 is a deficient number, because the sum of its proper divisors (738055285243) is less than itself. Its deficiency is 13437753401666658

Bases of 13438491456951901

• Binary: 101111101111100011110010011101100110111101011001011101₂
• Hexadecimal: 0x2FBE3C9D9BD65D
• Base-36: 3OBJPQXWGV1

Squares and roots of 13438491456951901

• 13438491456951901 squared (13438491456951901²) is 180593052638569226847821827513801
• 13438491456951901 cubed (13438491456951901³) is 2426898195068277518458686126860188906016470685701
• The square root of 13438491456951901 is 115924507.5769222365
• The cube root of 13438491456951901 is 237747.9822795309

Scales and comparisons

• 13,438,491,456,951,901 seconds is equal to 427,302,460 years, 18 weeks, 13 hours, 45 minutes, 1 second.
• To count from 1 to 13,438,491,456,951,901 would take you about one billion, two hundred eighty-one million, nine hundred seven thousand, three hundred eighty-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 13438491456951901 cubic inches would be around 19812.3 feet tall.

Recreational maths with 13438491456951901

• 13438491456951901 backwards is 10915965419483431
• The number of decimal digits it has is: 17
• The sum of 13438491456951901's digits is 73
• More coming soon!