142001810391

Names of 142001810391

• Cardinal: 142001810391 can be written as One hundred forty-two billion, one million, eight hundred ten thousand, three hundred ninety-one.

Scientific notation

• Scientific notation: 1.42001810391 × 10¹¹

Factors of 142001810391

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 102

Divisors of 142001810391

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 21 31 61 93 183 217 427 651 961 1281 1891 2883 3721 5673 6727 11163 13237 20181 26047 29791 39711 58621 78141 89373 115351 175863 208537 226981 346053 410347 625611 680943 807457 1231041 1588867 1817251 2422371 3575881 4766601 5451753 7036411 10727643 12720757 21109233 25031167 38162271 49254877 75093501 110852311 147764631 218128741 332556933 654386223 775966177 1526901187 2327898531 4580703561 6761990971 20285972913 47333936797 142001810391
• Sum of all divisors σ(n): 227322847232
• Sum of proper divisors (its aliquot sum) s(n): 85321036841
• 142001810391 is a deficient number, because the sum of its proper divisors (85321036841) is less than itself. Its deficiency is 56680773550

Bases of 142001810391

• Binary: 10000100001111111101111010101111010111₂
• Hexadecimal: 0x210FF7ABD7
• Base-36: 1T8G7M53

Squares and roots of 142001810391

• 142001810391 squared (142001810391²) is 20164514154321515572881
• 142001810391 cubed (142001810391³) is 2863397515568599567632001503606471
• The square root of 142001810391 is 376831.2757601205
• The cube root of 142001810391 is 5217.1256175367

Scales and comparisons

• 142,001,810,391 seconds is equal to 4,515 years, 11 weeks, 2 days, 11 hours, 19 minutes, 51 seconds.
• To count from 1 to 142,001,810,391 would take you about nine thousand and thirty 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 142001810391 cubic inches would be around 434.8 feet tall.

Recreational maths with 142001810391

• 142001810391 backwards is 193018100241
• The number of decimal digits it has is: 12
• The sum of 142001810391's digits is 30
• More coming soon!