12390871966078

Names of 12390871966078

• Cardinal: 12390871966078 can be written as Twelve trillion, three hundred ninety billion, eight hundred seventy-one million, nine hundred sixty-six thousand and seventy-eight.

Scientific notation

• Scientific notation: 1.2390871966078 × 10¹³

Factors of 12390871966078

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3621

Divisors of 12390871966078

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 17 34 103 206 289 578 1751 3499 3502 4913 6998 9826 29767 59483 59534 118966 360397 506039 720794 1011211 1012078 2022422 6126749 12243001 12253498 17190587 24486002 34381174 104154733 208131017 208309466 416262034 1261029103 1770630461 2522058206 3538227289 3541260922 7076454578 21437494751 42874989502 60149863913 120299727826 364437410767 728874821534 6195435983039 12390871966078
• Sum of all divisors σ(n): 19945141388640
• Sum of proper divisors (its aliquot sum) s(n): 7554269422562
• 12390871966078 is a deficient number, because the sum of its proper divisors (7554269422562) is less than itself. Its deficiency is 4836602543516

Bases of 12390871966078

• Binary: 10110100010011111001100001011010000101111110₂
• Hexadecimal: 0xB44F985A17E
• Base-36: 4E4AD8UIM

Squares and roots of 12390871966078

• 12390871966078 squared (12390871966078²) is 153533708079737681182702084
• 12390871966078 cubed (12390871966078³) is 1902416519293224955630808515897627906552
• The square root of 12390871966078 is 3520067.0399976759
• The cube root of 12390871966078 is 23140.2096759655

Scales and comparisons

• 12,390,871,966,078 seconds is equal to 393,991 years, 20 weeks, 5 days, 23 hours, 27 minutes, 58 seconds.
• To count from 1 to 12,390,871,966,078 would take you about nine hundred eighty-four thousand, nine 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 12390871966078 cubic inches would be around 1928.4 feet tall.

Recreational maths with 12390871966078

• 12390871966078 backwards is 87066917809321
• The number of decimal digits it has is: 14
• The sum of 12390871966078's digits is 67
• More coming soon!