1442269640

Names of 1442269640

• Cardinal: 1442269640 can be written as One billion, four hundred forty-two million, two hundred sixty-nine thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.44226964 × 10⁹

Factors of 1442269640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 31778

Divisors of 1442269640

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 163 280 326 652 815 1141 1304 1630 2282 3260 4564 5705 6520 9128 11410 22820 31601 45640 63202 126404 158005 221207 252808 316010 442414 632020 884828 1106035 1264040 1769656 2212070 4424140 5150963 8848280 10301926 20603852 25754815 36056741 41207704 51509630 72113482 103019260 144226964 180283705 206038520 288453928 360567410 721134820 1442269640
• Sum of all divisors σ(n): 3731564160
• Sum of proper divisors (its aliquot sum) s(n): 2289294520
• 1442269640 is an abundant number, because the sum of its proper divisors (2289294520) is greater than itself. Its abundance is 847024880

Bases of 1442269640

• Binary: 1010101111101110100100111001000₂
• Hexadecimal: 0x55F749C8
• Base-36: NUOUDK

Squares and roots of 1442269640

• 1442269640 squared (1442269640²) is 2080141714465729600
• 1442269640 cubed (1442269640³) is 3000125241671470622529344000
• The square root of 1442269640 is 37977.2252804231
• The cube root of 1442269640 is 1129.8362046243

Scales and comparisons

• 1,442,269,640 seconds is equal to 45 years, 44 weeks, 4 days, 22 hours, 27 minutes, 20 seconds.
• To count from 1 to 1,442,269,640 would take you about ninety-one 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 1442269640 cubic inches would be around 94.2 feet tall.

Recreational maths with 1442269640

• 1442269640 backwards is 0469622441
• The number of decimal digits it has is: 10
• The sum of 1442269640's digits is 38
• More coming soon!