1272872142

Names of 1272872142

• Cardinal: 1272872142 can be written as One billion, two hundred seventy-two million, eight hundred seventy-two thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 1.272872142 × 10⁹

Factors of 1272872142

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 36790

Divisors of 1272872142

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 18 41 47 82 94 123 141 246 282 369 423 738 846 1927 3854 5781 11562 17343 34686 36697 73394 110091 220182 330273 660546 1504577 1724759 3009154 3449518 4513731 5174277 9027462 10348554 13541193 15522831 27082386 31045662 70715119 141430238 212145357 424290714 636436071 1272872142
• Sum of all divisors σ(n): 2885343552
• Sum of proper divisors (its aliquot sum) s(n): 1612471410
• 1272872142 is an abundant number, because the sum of its proper divisors (1612471410) is greater than itself. Its abundance is 339599268

Bases of 1272872142

• Binary: 1001011110111100111110011001110₂
• Hexadecimal: 0x4BDE7CCE
• Base-36: L1U2FI

Squares and roots of 1272872142

• 1272872142 squared (1272872142²) is 1620203489879668164
• 1272872142 cubed (1272872142³) is 2062311886639008538159887288
• The square root of 1272872142 is 35677.3337288537
• The cube root of 1272872142 is 1083.7478790523

Scales and comparisons

• 1,272,872,142 seconds is equal to 40 years, 24 weeks, 4 days, 7 hours, 35 minutes, 42 seconds.
• To count from 1 to 1,272,872,142 would take you about eighty 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 1272872142 cubic inches would be around 90.3 feet tall.

Recreational maths with 1272872142

• 1272872142 backwards is 2412782721
• The number of decimal digits it has is: 10
• The sum of 1272872142's digits is 36
• More coming soon!