12628691520

Names of 12628691520

• Cardinal: 12628691520 can be written as Twelve billion, six hundred twenty-eight million, six hundred ninety-one thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.262869152 × 10¹⁰

Factors of 12628691520

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 13154897

Divisors of 12628691520

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 13154887 26309774 39464661 52619548 65774435 78929322 105239096 131548870 157858644 197323305 210478192 263097740 315717288 394646610 420956384 526195480 631434576 789293220 841912768 1052390960 1262869152 1578586440 2104781920 2525738304 3157172880 4209563840 6314345760 12628691520
• Sum of all divisors σ(n): 40096098624
• Sum of proper divisors (its aliquot sum) s(n): 27467407104
• 12628691520 is an abundant number, because the sum of its proper divisors (27467407104) is greater than itself. Its abundance is 14838715584

Bases of 12628691520

• Binary: 1011110000101110101000101001000000₂
• Hexadecimal: 0x2F0BA8A40
• Base-36: 5SUSOQO

Squares and roots of 12628691520

• 12628691520 squared (12628691520²) is 159483849507319910400
• 12628691520 cubed (12628691520³) is 2014072337850047130395639808000
• The square root of 12628691520 is 112377.4511189857
• The cube root of 12628691520 is 2328.7316815379

Scales and comparisons

• 12,628,691,520 seconds is equal to 401 years, 28 weeks, 5 days, 9 hours, 52 minutes.
• To count from 1 to 12,628,691,520 would take you about eight hundred three 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 12628691520 cubic inches would be around 194.1 feet tall.

Recreational maths with 12628691520

• 12628691520 backwards is 02519682621
• The number of decimal digits it has is: 11
• The sum of 12628691520's digits is 42
• More coming soon!