42749798

Names of 42749798

• Cardinal: 42749798 can be written as Forty-two million, seven hundred forty-nine thousand, seven hundred ninety-eight.

Scientific notation

• Scientific notation: 4.2749798 × 10⁷

Factors of 42749798

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 417

Divisors of 42749798

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 7 13 14 17 26 34 41 82 91 119 182 221 238 287 337 442 533 574 674 697 1066 1394 1547 2359 3094 3731 4381 4718 4879 5729 7462 8762 9061 9758 11458 13817 18122 27634 30667 40103 61334 63427 74477 80206 96719 126854 148954 179621 193438 234889 359242 469778 521339 1042678 1257347 1644223 2514694 3053557 3288446 6107114 21374899 42749798
• Sum of all divisors σ(n): 85857408
• Sum of proper divisors (its aliquot sum) s(n): 43107610
• 42749798 is an abundant number, because the sum of its proper divisors (43107610) is greater than itself. Its abundance is 357812

Bases of 42749798

• Binary: 10100011000100111101100110₂
• Hexadecimal: 0x28C4F66
• Base-36: PG9YE

Squares and roots of 42749798

• 42749798 squared (42749798²) is 1827545229040804
• 42749798 cubed (42749798³) is 78127189377358104757592
• The square root of 42749798 is 6538.3329679663
• The cube root of 42749798 is 349.6589821273

Scales and comparisons

• 42,749,798 seconds is equal to 1 year, 18 weeks, 4 days, 18 hours, 56 minutes, 38 seconds.
• To count from 1 to 42,749,798 would take you about 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 42749798 cubic inches would be around 29.1 feet tall.

Recreational maths with 42749798

• 42749798 backwards is 89794724
• The number of decimal digits it has is: 8
• The sum of 42749798's digits is 50
• More coming soon!