142030161

Names of 142030161

• Cardinal: 142030161 can be written as One hundred forty-two million, thirty thousand, one hundred sixty-one.

Scientific notation

• Scientific notation: 1.42030161 × 10⁸

Factors of 142030161

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 212

Divisors of 142030161

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 13 21 37 39 43 63 91 109 111 117 129 259 273 301 327 333 387 481 559 763 777 819 903 981 1417 1443 1591 1677 2289 2331 2709 3367 3913 4033 4251 4329 4687 4773 5031 6867 9919 10101 11137 11739 12099 12753 14061 14319 20683 28231 29757 30303 32809 33411 35217 36297 42183 52429 60931 62049 84693 89271 98427 100233 144781 157287 173419 182793 186147 254079 295281 367003 426517 434343 471861 520257 548379 1101009 1213933 1279551 1303029 1560771 2254447 3303027 3641799 3838653 6763341 10925397 15781129 20290023 47343387 142030161
• Sum of all divisors σ(n): 267787520
• Sum of proper divisors (its aliquot sum) s(n): 125757359
• 142030161 is a deficient number, because the sum of its proper divisors (125757359) is less than itself. Its deficiency is 16272802

Bases of 142030161

• Binary: 1000011101110011010101010001₂
• Hexadecimal: 0x8773551
• Base-36: 2CK769

Squares and roots of 142030161

• 142030161 squared (142030161²) is 20172566633685921
• 142030161 cubed (142030161³) is 2865112886765639383063281
• The square root of 142030161 is 11917.6407480675
• The cube root of 142030161 is 521.7472793501

Scales and comparisons

• 142,030,161 seconds is equal to 4 years, 26 weeks, 5 days, 20 hours, 49 minutes, 21 seconds.
• To count from 1 to 142,030,161 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 142030161 cubic inches would be around 43.5 feet tall.

Recreational maths with 142030161

• 142030161 backwards is 161030241
• The number of decimal digits it has is: 9
• The sum of 142030161's digits is 18
• More coming soon!