1242281142

Names of 1242281142

• Cardinal: 1242281142 can be written as One billion, two hundred forty-two million, two hundred eighty-one thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 1.242281142 × 10⁹

Factors of 1242281142

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5228

Divisors of 1242281142

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 9 18 19 37 38 57 74 111 114 171 222 333 342 361 666 703 722 1083 1406 2109 2166 3249 4218 5167 6327 6498 10334 12654 13357 15501 26714 31002 40071 46503 80142 93006 98173 120213 191179 196346 240426 294519 382358 573537 589038 883557 1147074 1720611 1767114 1865287 3441222 3632401 3730574 5595861 7264802 10897203 11191722 16787583 21794406 32691609 33575166 65383218 69015619 138031238 207046857 414093714 621140571 1242281142
• Sum of all divisors σ(n): 2918069856
• Sum of proper divisors (its aliquot sum) s(n): 1675788714
• 1242281142 is an abundant number, because the sum of its proper divisors (1675788714) is greater than itself. Its abundance is 433507572

Bases of 1242281142

• Binary: 1001010000010111011010010110110₂
• Hexadecimal: 0x4A0BB4B6
• Base-36: KJME9I

Squares and roots of 1242281142

• 1242281142 squared (1242281142²) is 1543262435768824164
• 1242281142 cubed (1242281142³) is 1917165821112596530451115288
• The square root of 1242281142 is 35246.0088804393
• The cube root of 1242281142 is 1074.9954618881

Scales and comparisons

• 1,242,281,142 seconds is equal to 39 years, 26 weeks, 6 hours, 5 minutes, 42 seconds.
• To count from 1 to 1,242,281,142 would take you about seventy-nine 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 1242281142 cubic inches would be around 89.6 feet tall.

Recreational maths with 1242281142

• 1242281142 backwards is 2411822421
• The number of decimal digits it has is: 10
• The sum of 1242281142's digits is 27
• More coming soon!