42009748

Names of 42009748

• Cardinal: 42009748 can be written as Forty-two million, nine thousand, seven hundred forty-eight.

Scientific notation

• Scientific notation: 4.2009748 × 10⁷

Factors of 42009748

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 156

Divisors of 42009748

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 11 22 29 41 44 58 73 82 116 121 146 164 242 292 319 451 484 638 803 902 1189 1276 1606 1804 2117 2378 2993 3212 3509 4234 4756 4961 5986 7018 8468 8833 9922 11972 13079 14036 17666 19844 23287 26158 32923 35332 46574 52316 65846 86797 93148 131692 143869 173594 256157 287738 347188 362153 512314 575476 724306 954767 1024628 1448612 1909534 3819068 10502437 21004874 42009748
• Sum of all divisors σ(n): 86806440
• Sum of proper divisors (its aliquot sum) s(n): 44796692
• 42009748 is an abundant number, because the sum of its proper divisors (44796692) is greater than itself. Its abundance is 2786944

Bases of 42009748

• Binary: 10100000010000010010010100₂
• Hexadecimal: 0x2810494
• Base-36: P0EXG

Squares and roots of 42009748

• 42009748 squared (42009748²) is 1764818927023504
• 42009748 cubed (42009748³) is 74139598389887793116992
• The square root of 42009748 is 6481.4927293023
• The cube root of 42009748 is 347.6295547161

Scales and comparisons

• 42,009,748 seconds is equal to 1 year, 17 weeks, 3 days, 5 hours, 22 minutes, 28 seconds.
• To count from 1 to 42,009,748 would take you about 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 42009748 cubic inches would be around 29 feet tall.

Recreational maths with 42009748

• 42009748 backwards is 84790024
• The number of decimal digits it has is: 8
• The sum of 42009748's digits is 34
• More coming soon!