1494721431

Names of 1494721431

• Cardinal: 1494721431 can be written as One billion, four hundred ninety-four million, seven hundred twenty-one thousand, four hundred thirty-one.

Scientific notation

• Scientific notation: 1.494721431 × 10⁹

Factors of 1494721431

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6636

Divisors of 1494721431

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 19 21 27 49 57 63 81 133 147 171 189 243 399 441 513 567 931 1197 1323 1539 1701 2793 3591 3969 4617 6607 8379 10773 11907 19821 25137 32319 46249 59463 75411 125533 138747 178389 226233 323743 376599 416241 535167 878731 971229 1129797 1248723 1605501 2636193 2913687 3389391 3746169 6151117 7908579 8741061 10168173 11238507 18453351 23725737 26223183 30504519 55360053 71177211 78669549 166080159 213531633 498240477 1494721431
• Sum of all divisors σ(n): 2742055680
• Sum of proper divisors (its aliquot sum) s(n): 1247334249
• 1494721431 is a deficient number, because the sum of its proper divisors (1247334249) is less than itself. Its deficiency is 247387182

Bases of 1494721431

• Binary: 1011001000101111010001110010111₂
• Hexadecimal: 0x5917A397
• Base-36: OPX2FR

Squares and roots of 1494721431

• 1494721431 squared (1494721431²) is 2234192156290687761
• 1494721431 cubed (1494721431³) is 3339494896979792462096105991
• The square root of 1494721431 is 38661.6273713355
• The cube root of 1494721431 is 1143.3698970213

Scales and comparisons

• 1,494,721,431 seconds is equal to 47 years, 27 weeks, 3 days, 23 minutes, 51 seconds.
• To count from 1 to 1,494,721,431 would take you about ninety-five 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 1494721431 cubic inches would be around 95.3 feet tall.

Recreational maths with 1494721431

• 1494721431 backwards is 1341274941
• The number of decimal digits it has is: 10
• The sum of 1494721431's digits is 36
• More coming soon!