142923891285

Names of 142923891285

• Cardinal: 142923891285 can be written as One hundred forty-two billion, nine hundred twenty-three million, eight hundred ninety-one thousand, two hundred eighty-five.

Scientific notation

• Scientific notation: 1.42923891285 × 10¹¹

Factors of 142923891285

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 489575

Divisors of 142923891285

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 63 81 103 105 135 189 309 315 405 515 567 721 927 945 1545 2163 2781 2835 3605 4635 6489 8343 10815 13905 19467 32445 41715 58401 97335 292005 489457 1468371 2447285 3426199 4405113 7341855 10278597 13215339 17130995 22025565 30835791 39646017 50414071 51392985 66076695 92507373 151242213 154178955 198230085 252070355 277522119 352898497 453726639 462536865 756211065 1058695491 1361179917 1387610595 1764492485 2268633195 3176086473 4083539751 5293477455 6805899585 9528259419 15880432365 20417698755 28584778257 47641297095 142923891285
• Sum of all divisors σ(n): 295648294656
• Sum of proper divisors (its aliquot sum) s(n): 152724403371
• 142923891285 is an abundant number, because the sum of its proper divisors (152724403371) is greater than itself. Its abundance is 9800512086

Bases of 142923891285

• Binary: 10000101000110111011011000001001010101₂
• Hexadecimal: 0x2146ED8255
• Base-36: 1TNP70B9

Squares and roots of 142923891285

• 142923891285 squared (142923891285²) is 20427238700046498951225
• 142923891285 cubed (142923891285³) is 2919540443218190540549748417574125
• The square root of 142923891285 is 378052.7625676077
• The cube root of 142923891285 is 5228.3936353191

Scales and comparisons

• 142,923,891,285 seconds is equal to 4,544 years, 27 weeks, 6 days, 16 hours, 54 minutes, 45 seconds.
• To count from 1 to 142,923,891,285 would take you about nine thousand and eighty-nine 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 142923891285 cubic inches would be around 435.7 feet tall.

Recreational maths with 142923891285

• 142923891285 backwards is 582198329241
• The number of decimal digits it has is: 12
• The sum of 142923891285's digits is 54
• More coming soon!