42807997947

Names of 42807997947

• Cardinal: 42807997947 can be written as Forty-two billion, eight hundred seven million, nine hundred ninety-seven thousand, nine hundred forty-seven.

Scientific notation

• Scientific notation: 4.2807997947 × 10¹⁰

Factors of 42807997947

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4156

Divisors of 42807997947

• Number of divisors d(n): 60
• Complete list of divisors:
  1 3 11 13 33 39 121 143 169 363 429 507 1573 1859 2197 4129 4719 5577 6591 12387 20449 24167 28561 45419 53677 61347 72501 85683 136257 161031 265837 314171 499609 590447 697801 797511 942513 1498827 1771341 2093403 3455881 6494917 7675811 9071413 10367643 19484751 23027433 27214239 84433921 99785543 117928369 253301763 299356629 353785107 1097640973 1297212059 3292922919 3891636177 14269332649 42807997947
• Sum of all divisors σ(n): 67982327560
• Sum of proper divisors (its aliquot sum) s(n): 25174329613
• 42807997947 is a deficient number, because the sum of its proper divisors (25174329613) is less than itself. Its deficiency is 17633668334

Bases of 42807997947

• Binary: 100111110111100011100011010111111011₂
• Hexadecimal: 0x9F78E35FB
• Base-36: JNYRYM3

Squares and roots of 42807997947

• 42807997947 squared (42807997947²) is 1832524688230356214809
• 42807997947 cubed (42807997947³) is 78446713091591903906622362997123
• The square root of 42807997947 is 206900.9375208339
• The cube root of 42807997947 is 3498.1758643435

Scales and comparisons

• 42,807,997,947 seconds is equal to 1,361 years, 8 weeks, 2 days, 22 hours, 32 minutes, 27 seconds.
• To count from 1 to 42,807,997,947 would take you about two thousand, seven hundred twenty-two 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 42807997947 cubic inches would be around 291.5 feet tall.

Recreational maths with 42807997947

• 42807997947 backwards is 74979970824
• The number of decimal digits it has is: 11
• The sum of 42807997947's digits is 66
• More coming soon!