689945046

Names of 689945046

• Cardinal: 689945046 can be written as Six hundred eighty-nine million, nine hundred forty-five thousand and forty-six.

Scientific notation

• Scientific notation: 6.89945046 × 10⁸

Factors of 689945046

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1125

Divisors of 689945046

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 14 21 42 73 146 219 307 438 511 614 733 921 1022 1466 1533 1842 2149 2199 3066 4298 4398 5131 6447 10262 12894 15393 22411 30786 44822 53509 67233 107018 134466 156877 160527 225031 313754 321054 374563 450062 470631 675093 749126 941262 1123689 1350186 1575217 2247378 3150434 4725651 9451302 16427263 32854526 49281789 98563578 114990841 229981682 344972523 689945046
• Sum of all divisors σ(n): 1606015488
• Sum of proper divisors (its aliquot sum) s(n): 916070442
• 689945046 is an abundant number, because the sum of its proper divisors (916070442) is greater than itself. Its abundance is 226125396

Bases of 689945046

• Binary: 101001000111111011100111010110₂
• Hexadecimal: 0x291FB9D6
• Base-36: BERX06

Squares and roots of 689945046

• 689945046 squared (689945046²) is 476024166499942116
• 689945046 cubed (689945046³) is 328430515452914222220957336
• The square root of 689945046 is 26266.8050207863
• The cube root of 689945046 is 883.6321324825

Scales and comparisons

• 689,945,046 seconds is equal to 21 years, 48 weeks, 5 days, 11 hours, 24 minutes, 6 seconds.
• To count from 1 to 689,945,046 would take you about thirty-two 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 689945046 cubic inches would be around 73.6 feet tall.

Recreational maths with 689945046

• 689945046 backwards is 640549986
• The number of decimal digits it has is: 9
• The sum of 689945046's digits is 51
• More coming soon!