12831291453818

Names of 12831291453818

• Cardinal: 12831291453818 can be written as Twelve trillion, eight hundred thirty-one billion, two hundred ninety-one million, four hundred fifty-three thousand, eight hundred eighteen.

Scientific notation

• Scientific notation: 1.2831291453818 × 10¹³

Factors of 12831291453818

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 27727

Divisors of 12831291453818

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 37 74 97 194 211 313 422 626 3589 7178 7807 11581 15614 20467 23162 27067 30361 40934 54134 60722 66043 132086 757279 1001479 1123357 1514558 2002958 2246714 2443591 2625499 4887182 5250998 5711137 6406171 8471971 11422274 12812342 16943942 97143463 194286926 211312069 237028327 313462927 422624138 474056654 553980289 626925854 821781187 1107960578 1643562374 1787585881 3575171762 20497270693 30405903919 40994541386 60811807838 66140677597 132281355194 173395830457 346791660914 6415645726909 12831291453818
• Sum of all divisors σ(n): 20130409235328
• Sum of proper divisors (its aliquot sum) s(n): 7299117781510
• 12831291453818 is a deficient number, because the sum of its proper divisors (7299117781510) is less than itself. Its deficiency is 5532173672308

Bases of 12831291453818

• Binary: 10111010101110000100100100011011000101111010₂
• Hexadecimal: 0xBAB8491B17A
• Base-36: 4JQM3MY62

Squares and roots of 12831291453818

• 12831291453818 squared (12831291453818²) is 164642040372822844026777124
• 12831291453818 cubed (12831291453818³) is 2112570005574959881068906500731024859432
• The square root of 12831291453818 is 3582079.2081998969
• The cube root of 12831291453818 is 23411.1882198869

Scales and comparisons

• 12,831,291,453,818 seconds is equal to 407,995 years, 19 weeks, 4 days, 18 hours, 3 minutes, 38 seconds.
• To count from 1 to 12,831,291,453,818 would take you about one million, nineteen thousand, nine hundred eighty-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 12831291453818 cubic inches would be around 1950.9 feet tall.

Recreational maths with 12831291453818

• 12831291453818 backwards is 81835419213821
• The number of decimal digits it has is: 14
• The sum of 12831291453818's digits is 56
• More coming soon!