105049142

Names of 105049142

• Cardinal: 105049142 can be written as One hundred five million, forty-nine thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 1.05049142 × 10⁸

Factors of 105049142

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 285

Divisors of 105049142

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 11 22 23 31 37 46 62 74 181 253 341 362 407 506 682 713 814 851 1147 1426 1702 1991 2294 3982 4163 5611 6697 7843 8326 9361 11222 12617 13394 15686 18722 25234 26381 45793 52762 61721 73667 91586 123442 129053 147334 154031 207607 258106 290191 308062 415214 580382 1419583 1694341 2283677 2839166 3388682 4567354 4774961 9549922 52524571 105049142
• Sum of all divisors σ(n): 191213568
• Sum of proper divisors (its aliquot sum) s(n): 86164426
• 105049142 is a deficient number, because the sum of its proper divisors (86164426) is less than itself. Its deficiency is 18884716

Bases of 105049142

• Binary: 110010000101110110000110110₂
• Hexadecimal: 0x642EC36
• Base-36: 1QJKFQ

Squares and roots of 105049142

• 105049142 squared (105049142²) is 11035322234936164
• 105049142 cubed (105049142³) is 1159251132473566452971288
• The square root of 105049142 is 10249.3483695307
• The cube root of 105049142 is 471.8429855741

Scales and comparisons

• 105,049,142 seconds is equal to 3 years, 17 weeks, 4 days, 20 hours, 19 minutes, 2 seconds.
• To count from 1 to 105,049,142 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 105049142 cubic inches would be around 39.3 feet tall.

Recreational maths with 105049142

• 105049142 backwards is 241940501
• The number of decimal digits it has is: 9
• The sum of 105049142's digits is 26
• More coming soon!