142447151728

Names of 142447151728

• Cardinal: 142447151728 can be written as One hundred forty-two billion, four hundred forty-seven million, one hundred fifty-one thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.42447151728 × 10¹¹

Factors of 142447151728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1905

Divisors of 142447151728

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 38 56 76 112 133 152 266 304 361 532 722 1064 1444 1877 2128 2527 2888 3754 5054 5776 7508 10108 13139 15016 20216 26278 30032 35663 40432 52556 71326 105112 142652 210224 249641 285304 499282 570608 677597 998564 1355194 1997128 2710388 3523129 3994256 4743179 5420776 7046258 9486358 10841552 14092516 18972716 24661903 28185032 37945432 49323806 56370064 66939451 75890864 98647612 133878902 197295224 267757804 394590448 468576157 535515608 937152314 1071031216 1271849569 1874304628 2543699138 3748609256 5087398276 7497218512 8902946983 10174796552 17805893966 20349593104 35611787932 71223575864 142447151728
• Sum of all divisors σ(n): 333070861416
• Sum of proper divisors (its aliquot sum) s(n): 190623709688
• 142447151728 is an abundant number, because the sum of its proper divisors (190623709688) is greater than itself. Its abundance is 48176557960

Bases of 142447151728

• Binary: 10000100101010100000110000101001110000₂
• Hexadecimal: 0x212A830A70
• Base-36: 1TFTCTPS

Squares and roots of 142447151728

• 142447151728 squared (142447151728²) is 20291191035419853385984
• 142447151728 cubed (142447151728³) is 2890422368164285277456777396580352
• The square root of 142447151728 is 377421.7160259859
• The cube root of 142447151728 is 5222.5738510397

Scales and comparisons

• 142,447,151,728 seconds is equal to 4,529 years, 19 weeks, 4 days, 21 hours, 15 minutes, 28 seconds.
• To count from 1 to 142,447,151,728 would take you about nine thousand and fifty-eight 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 142447151728 cubic inches would be around 435.2 feet tall.

Recreational maths with 142447151728

• 142447151728 backwards is 827151744241
• The number of decimal digits it has is: 12
• The sum of 142447151728's digits is 46
• More coming soon!