142943724

Names of 142943724

• Cardinal: 142943724 can be written as One hundred forty-two million, nine hundred forty-three thousand, seven hundred twenty-four.

Scientific notation

• Scientific notation: 1.42943724 × 10⁸

Factors of 142943724

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 17212

Divisors of 142943724

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 18 21 22 27 28 33 36 42 44 54 63 66 77 84 99 108 126 132 154 189 198 231 252 297 308 378 396 462 594 693 756 924 1188 1386 2079 2772 4158 8316 17189 34378 51567 68756 103134 120323 154701 189079 206268 240646 309402 360969 378158 464103 481292 567237 618804 721938 756316 928206 1082907 1134474 1323553 1443876 1701711 1856412 2165814 2268948 2647106 3248721 3403422 3970659 4331628 5105133 5294212 6497442 6806844 7941318 10210266 11911977 12994884 15882636 20420532 23823954 35735931 47647908 71471862 142943724
• Sum of all divisors σ(n): 462067200
• Sum of proper divisors (its aliquot sum) s(n): 319123476
• 142943724 is an abundant number, because the sum of its proper divisors (319123476) is greater than itself. Its abundance is 176179752

Bases of 142943724

• Binary: 1000100001010010010111101100₂
• Hexadecimal: 0x88525EC
• Base-36: 2D3S30

Squares and roots of 142943724

• 142943724 squared (142943724²) is 20432908230988176
• 142943724 cubed (142943724³) is 2920755994687702077407424
• The square root of 142943724 is 11955.9074937873
• The cube root of 142943724 is 522.8635462033

Scales and comparisons

• 142,943,724 seconds is equal to 4 years, 28 weeks, 2 days, 10 hours, 35 minutes, 24 seconds.
• To count from 1 to 142,943,724 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 142943724 cubic inches would be around 43.6 feet tall.

Recreational maths with 142943724

• 142943724 backwards is 427349241
• 142943724 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 142943724's digits is 36
• More coming soon!