12499849439

Names of 12499849439

• Cardinal: 12499849439 can be written as Twelve billion, four hundred ninety-nine million, eight hundred forty-nine thousand, four hundred thirty-nine.

Scientific notation

• Scientific notation: 1.2499849439 × 10¹⁰

Factors of 12499849439

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 157

Divisors of 12499849439

• Number of divisors d(n): 72
• Complete list of divisors:
  1 7 11 29 43 67 77 203 301 319 469 473 737 841 1247 1943 2233 2881 3311 4489 5159 5887 8729 9251 13601 13717 20167 21373 31423 31691 36163 49379 56347 64757 83549 96019 130181 149611 193027 221837 253141 345653 394429 397793 584843 619817 911267 919039 1351189 1431991 2123297 2422921 2784551 3775249 4338719 5597783 6433273 10023937 14863079 16960447 26426743 26652131 39184481 41527739 61575613 162335707 186564917 290694173 431029291 1136349949 1785692777 12499849439
• Sum of all divisors σ(n): 16765676928
• Sum of proper divisors (its aliquot sum) s(n): 4265827489
• 12499849439 is a deficient number, because the sum of its proper divisors (4265827489) is less than itself. Its deficiency is 8234021950

Bases of 12499849439

• Binary: 1011101001000011001001000011011111₂
• Hexadecimal: 0x2E90C90DF
• Base-36: 5QQ35JZ

Squares and roots of 12499849439

• 12499849439 squared (12499849439²) is 156246235997668614721
• 12499849439 cubed (12499849439³) is 1953054425381319639028198991519
• The square root of 12499849439 is 111802.7255437005
• The cube root of 12499849439 is 2320.7850988723

Scales and comparisons

• 12,499,849,439 seconds is equal to 397 years, 23 weeks, 5 days, 4 hours, 23 minutes, 59 seconds.
• To count from 1 to 12,499,849,439 would take you about seven hundred ninety-four 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 12499849439 cubic inches would be around 193.4 feet tall.

Recreational maths with 12499849439

• 12499849439 backwards is 93494899421
• The number of decimal digits it has is: 11
• The sum of 12499849439's digits is 62
• More coming soon!