1681872426

Names of 1681872426

• Cardinal: 1681872426 can be written as One billion, six hundred eighty-one million, eight hundred seventy-two thousand, four hundred twenty-six.

Scientific notation

• Scientific notation: 1.681872426 × 10⁹

Factors of 1681872426

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 135684

Divisors of 1681872426

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 13 18 26 39 53 78 106 117 159 234 318 477 689 954 1378 2067 4134 6201 12402 135613 271226 406839 813678 1220517 1762969 2441034 3525938 5288907 7187489 10577814 14374978 15866721 21562467 31733442 43124934 64687401 93437357 129374802 186874714 280312071 560624142 840936213 1681872426
• Sum of all divisors σ(n): 3998443176
• Sum of proper divisors (its aliquot sum) s(n): 2316570750
• 1681872426 is an abundant number, because the sum of its proper divisors (2316570750) is greater than itself. Its abundance is 634698324

Bases of 1681872426

• Binary: 1100100001111110101011000101010₂
• Hexadecimal: 0x643F562A
• Base-36: RTCD2I

Squares and roots of 1681872426

• 1681872426 squared (1681872426²) is 2828694857339125476
• 1681872426 cubed (1681872426³) is 4757503882126678869038524776
• The square root of 1681872426 is 41010.6379613873
• The cube root of 1681872426 is 1189.2258755443

Scales and comparisons

• 1,681,872,426 seconds is equal to 53 years, 24 weeks, 6 days, 2 hours, 47 minutes, 6 seconds.
• To count from 1 to 1,681,872,426 would take you about one hundred six 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 1681872426 cubic inches would be around 99.1 feet tall.

Recreational maths with 1681872426

• 1681872426 backwards is 6242781861
• The number of decimal digits it has is: 10
• The sum of 1681872426's digits is 45
• More coming soon!