105155442

Names of 105155442

• Cardinal: 105155442 can be written as One hundred five million, one hundred fifty-five thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 1.05155442 × 10⁸

Factors of 105155442

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1278

Divisors of 105155442

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 283 378 566 849 983 1698 1966 1981 2547 2949 3962 5094 5898 5943 6881 7641 8847 11886 13762 15282 17694 17829 20643 26541 35658 41286 53082 53487 61929 106974 123858 185787 278189 371574 556378 834567 1669134 1947323 2503701 3894646 5007402 5841969 7511103 11683938 15022206 17525907 35051814 52577721 105155442
• Sum of all divisors σ(n): 268277760
• Sum of proper divisors (its aliquot sum) s(n): 163122318
• 105155442 is an abundant number, because the sum of its proper divisors (163122318) is greater than itself. Its abundance is 57966876

Bases of 105155442

• Binary: 110010001001000101101110010₂
• Hexadecimal: 0x6448B72
• Base-36: 1QLUGI

Squares and roots of 105155442

• 105155442 squared (105155442²) is 11057666982215364
• 105155442 cubed (105155442³) is 1162773859003662740610888
• The square root of 105155442 is 10254.5327538605
• The cube root of 105155442 is 472.0020857181

Scales and comparisons

• 105,155,442 seconds is equal to 3 years, 17 weeks, 6 days, 1 hour, 50 minutes, 42 seconds.
• To count from 1 to 105,155,442 would take you about five 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 105155442 cubic inches would be around 39.3 feet tall.

Recreational maths with 105155442

• 105155442 backwards is 244551501
• 105155442 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 105155442's digits is 27
• More coming soon!