13291202728601426728

Names of 13291202728601426728

• Cardinal: 13291202728601426728 can be written as Thirteen quintillion, two hundred ninety-one quadrillion, two hundred two trillion, seven hundred twenty-eight billion, six hundred one million, four hundred twenty-six thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.3291202728601426728 × 10¹⁹

Factors of 13291202728601426728

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 107684

Divisors of 13291202728601426728

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 11 22 44 88 121 242 484 968 1331 2662 5324 10648 107671 215342 430684 861368 1184381 2368762 4737524 9475048 13028191 26056382 52112764 104225528 143310101 286620202 573240404 1146480808 11593044241 23186088482 46372176964 92744353928 127523486651 255046973302 510093946604 1020187893208 1402758353161 2805516706322 5611033412644 11222066825288 15430341884771 30860683769542 61721367539084 123442735078168
• Sum of all divisors σ(n): 13291333871482358040
• Sum of proper divisors (its aliquot sum) s(n): 131142880931312
• 13291202728601426728 is a deficient number, because the sum of its proper divisors (131142880931312) is less than itself. Its deficiency is 13291071585720495416

Bases of 13291202728601426728

• Binary: 1011100001110011110101100111011000111011111111011001101100101000₂
• Hexadecimal: 0xB873D6763BFD9B28
• Base-36: 2SZAI5COKAQZS

Squares and roots of 13291202728601426728

• 13291202728601426728 squared (13291202728601426728²) is 176656069972782011120133142077152785984
• 13291202728601426728 cubed (13291202728601426728³) is 2347971639246244834094309287704305986107162087982441380352
• The square root of 13291202728601426728 is 3645710181.6520504553
• 13291202728601426728 is a perfect cube number. Its cube root is 2368762

Scales and comparisons

• 13,291,202,728,601,426,728 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 13,291,202,728,601,426,728 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 13291202728601426728 cubic inches would be around 197396.8 feet tall.

Recreational maths with 13291202728601426728

• 13291202728601426728 backwards is 82762410682720219231
• The number of decimal digits it has is: 20
• The sum of 13291202728601426728's digits is 73
• More coming soon!