142997904

Names of 142997904

• Cardinal: 142997904 can be written as One hundred forty-two million, nine hundred ninety-seven thousand, nine hundred four.

Scientific notation

• Scientific notation: 1.42997904 × 10⁸

Factors of 142997904

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 141875

Divisors of 142997904

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 252 336 504 1008 141863 283726 425589 567452 851178 993041 1134904 1276767 1702356 1986082 2269808 2553534 2979123 3404712 3972164 5107068 5958246 6809424 7944328 8937369 10214136 11916492 15888656 17874738 20428272 23832984 35749476 47665968 71498952 142997904
• Sum of all divisors σ(n): 457369536
• Sum of proper divisors (its aliquot sum) s(n): 314371632
• 142997904 is an abundant number, because the sum of its proper divisors (314371632) is greater than itself. Its abundance is 171373728

Bases of 142997904

• Binary: 1000100001011111100110010000₂
• Hexadecimal: 0x885F990
• Base-36: 2D4XW0

Squares and roots of 142997904

• 142997904 squared (142997904²) is 20448400548393216
• 142997904 cubed (142997904³) is 2924078418572680455819264
• The square root of 142997904 is 11958.1731046177
• The cube root of 142997904 is 522.9295982311

Scales and comparisons

• 142,997,904 seconds is equal to 4 years, 28 weeks, 3 days, 1 hour, 38 minutes, 24 seconds.
• To count from 1 to 142,997,904 would take you about 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 142997904 cubic inches would be around 43.6 feet tall.

Recreational maths with 142997904

• 142997904 backwards is 409799241
• The number of decimal digits it has is: 9
• The sum of 142997904's digits is 45
• More coming soon!