142946749

Names of 142946749

• Cardinal: 142946749 can be written as One hundred forty-two million, nine hundred forty-six thousand, seven hundred forty-nine.

Scientific notation

• Scientific notation: 1.42946749 × 10⁸

Factors of 142946749

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 302267

Divisors of 142946749

• Number of divisors d(n): 8
• Complete list of divisors:
  1 11 43 473 302213 3324343 12995159 142946749
• Sum of all divisors σ(n): 159568992
• Sum of proper divisors (its aliquot sum) s(n): 16622243
• 142946749 is a deficient number, because the sum of its proper divisors (16622243) is less than itself. Its deficiency is 126324506

Bases of 142946749

• Binary: 1000100001010011000110111101₂
• Hexadecimal: 0x88531BD
• Base-36: 2D3UF1

Squares and roots of 142946749

• 142946749 squared (142946749²) is 20433773049669001
• 142946749 cubed (142946749³) is 2920941427253999219027749
• The square root of 142946749 is 11956.0339996171
• The cube root of 142946749 is 522.8672344871

Scales and comparisons

• 142,946,749 seconds is equal to 4 years, 28 weeks, 2 days, 11 hours, 25 minutes, 49 seconds.
• To count from 1 to 142,946,749 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 142946749 cubic inches would be around 43.6 feet tall.

Recreational maths with 142946749

• 142946749 backwards is 947649241
• The number of decimal digits it has is: 9
• The sum of 142946749's digits is 46
• More coming soon!