1987744942

Names of 1987744942

• Cardinal: 1987744942 can be written as One billion, nine hundred eighty-seven million, seven hundred forty-four thousand, nine hundred forty-two.

Scientific notation

• Scientific notation: 1.987744942 × 10⁹

Factors of 1987744942

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 993872473

Divisors of 1987744942

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 993872471 1987744942
• Sum of all divisors σ(n): 2981617416
• Sum of proper divisors (its aliquot sum) s(n): 993872474
• 1987744942 is a deficient number, because the sum of its proper divisors (993872474) is less than itself. Its deficiency is 993872468

Bases of 1987744942

• Binary: 1110110011110101001010010101110₂
• Hexadecimal: 0x767A94AE
• Base-36: WVG9TA

Squares and roots of 1987744942

• 1987744942 squared (1987744942²) is 3951129954446583364
• 1987744942 cubed (1987744942³) is 7853838582135886490972344888
• The square root of 1987744942 is 44584.1332987421
• The cube root of 1987744942 is 1257.3423748085

Scales and comparisons

• 1,987,744,942 seconds is equal to 63 years, 10 weeks, 4 days, 7 hours, 22 minutes, 22 seconds.
• To count from 1 to 1,987,744,942 would take you about one hundred twenty-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 1987744942 cubic inches would be around 104.8 feet tall.

Recreational maths with 1987744942

• 1987744942 backwards is 2494477891
• The number of decimal digits it has is: 10
• The sum of 1987744942's digits is 55
• More coming soon!