1279412421

Names of 1279412421

• Cardinal: 1279412421 can be written as One billion, two hundred seventy-nine million, four hundred twelve thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 1.279412421 × 10⁹

Factors of 1279412421

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 127

Divisors of 1279412421

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 21 23 41 53 69 123 159 161 287 371 483 529 861 943 1113 1219 1587 2173 2809 2829 3657 3703 6519 6601 8427 8533 11109 15211 19663 19803 21689 25599 28037 45633 49979 58989 64607 65067 84111 115169 149937 151823 193821 196259 345507 349853 452249 455469 588777 806183 1049559 1149517 1356747 1485961 2418549 2648887 3448551 4457883 7946661 8046619 10401727 18542209 24139857 31205181 55626627 60924401 182773203 426470807 1279412421
• Sum of all divisors σ(n): 2127873216
• Sum of proper divisors (its aliquot sum) s(n): 848460795
• 1279412421 is a deficient number, because the sum of its proper divisors (848460795) is less than itself. Its deficiency is 430951626

Bases of 1279412421

• Binary: 1001100010000100100100011000101₂
• Hexadecimal: 0x4C4248C5
• Base-36: L5Q8XX

Squares and roots of 1279412421

• 1279412421 squared (1279412421²) is 1636896143009081241
• 1279412421 cubed (1279412421³) is 2094265257252810855533494461
• The square root of 1279412421 is 35768.8750312337
• The cube root of 1279412421 is 1085.6008821691

Scales and comparisons

• 1,279,412,421 seconds is equal to 40 years, 35 weeks, 3 days, 20 minutes, 21 seconds.
• To count from 1 to 1,279,412,421 would take you about eighty-one 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 1279412421 cubic inches would be around 90.5 feet tall.

Recreational maths with 1279412421

• 1279412421 backwards is 1242149721
• The number of decimal digits it has is: 10
• The sum of 1279412421's digits is 33
• More coming soon!