12826691829

Names of 12826691829

• Cardinal: 12826691829 can be written as Twelve billion, eight hundred twenty-six million, six hundred ninety-one thousand, eight hundred twenty-nine.

Scientific notation

• Scientific notation: 1.2826691829 × 10¹⁰

Factors of 12826691829

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4092

Divisors of 12826691829

• Number of divisors d(n): 60
• Complete list of divisors:
  1 3 7 9 21 49 63 147 151 343 441 453 1029 1057 1359 2401 3087 3171 3931 7203 7399 9513 11793 21609 22197 27517 35379 51793 66591 82551 155379 192619 247653 362551 466137 577857 593581 1087653 1348333 1733571 1780743 3262959 4044999 4155067 5342229 9438331 12134997 12465201 28314993 29085469 37395603 84944979 87256407 203598283 261769221 610794849 1425187981 1832384547 4275563943 12826691829
• Sum of all divisors σ(n): 21762739232
• Sum of proper divisors (its aliquot sum) s(n): 8936047403
• 12826691829 is a deficient number, because the sum of its proper divisors (8936047403) is less than itself. Its deficiency is 3890644426

Bases of 12826691829

• Binary: 1011111100100001111100100011110101₂
• Hexadecimal: 0x2FC87C8F5
• Base-36: 5W4OIR9

Squares and roots of 12826691829

• 12826691829 squared (12826691829²) is 164524023276135365241
• 12826691829 cubed (12826691829³) is 2110298945030211300034665315789
• The square root of 12826691829 is 113254.9858902467
• The cube root of 12826691829 is 2340.8390487685

Scales and comparisons

• 12,826,691,829 seconds is equal to 407 years, 44 weeks, 1 day, 1 hour, 57 minutes, 9 seconds.
• To count from 1 to 12,826,691,829 would take you about eight hundred fifteen 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 12826691829 cubic inches would be around 195.1 feet tall.

Recreational maths with 12826691829

• 12826691829 backwards is 92819662821
• The number of decimal digits it has is: 11
• The sum of 12826691829's digits is 54
• More coming soon!