12985899146428

Names of 12985899146428

• Cardinal: 12985899146428 can be written as Twelve trillion, nine hundred eighty-five billion, eight hundred ninety-nine million, one hundred forty-six thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 1.2985899146428 × 10¹³

Factors of 12985899146428

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 66584

Divisors of 12985899146428

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 13 26 52 239 478 956 3107 6214 12428 25747 40583 51494 81166 102988 162332 334711 527579 669422 1055158 1338844 2110316 6153533 9699337 12307066 19398674 24614132 38797348 79995929 126091381 159991858 252182762 319983716 504365524 1044890501 2089781002 4179562004 13583576513 27167153026 54334306052 249728829739 499457659478 998915318956 3246474786607 6492949573214 12985899146428
• Sum of all divisors σ(n): 24577384688640
• Sum of proper divisors (its aliquot sum) s(n): 11591485542212
• 12985899146428 is a deficient number, because the sum of its proper divisors (11591485542212) is less than itself. Its deficiency is 1394413604216

Bases of 12985899146428

• Binary: 10111100111110000011111001111101110010111100₂
• Hexadecimal: 0xBCF83E7DCBC
• Base-36: 4LPN12DA4

Squares and roots of 12985899146428

• 12985899146428 squared (12985899146428²) is 168633576641199458985159184
• 12985899146428 cubed (12985899146428³) is 2189858618964052773653474042625304994752
• The square root of 12985899146428 is 3603595.3083591393
• The cube root of 12985899146428 is 23504.8423076713

Scales and comparisons

• 12,985,899,146,428 seconds is equal to 412,911 years, 22 weeks, 15 hours, 20 minutes, 28 seconds.
• To count from 1 to 12,985,899,146,428 would take you about one million, thirty-two thousand, two hundred seventy-eight 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 12985899146428 cubic inches would be around 1958.7 feet tall.

Recreational maths with 12985899146428

• 12985899146428 backwards is 82464199858921
• The number of decimal digits it has is: 14
• The sum of 12985899146428's digits is 76
• More coming soon!