42791994

Names of 42791994

• Cardinal: 42791994 can be written as Forty-two million, seven hundred ninety-one thousand, nine hundred ninety-four.

Scientific notation

• Scientific notation: 4.2791994 × 10⁷

Factors of 42791994

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 280

Divisors of 42791994

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 29 42 49 58 63 87 98 126 147 174 203 239 261 294 343 406 441 478 522 609 686 717 882 1029 1218 1421 1434 1673 1827 2058 2151 2842 3087 3346 3654 4263 4302 5019 6174 6931 8526 9947 10038 11711 12789 13862 15057 19894 20793 23422 25578 29841 30114 35133 41586 48517 59682 62379 70266 81977 89523 97034 105399 124758 145551 163954 179046 210798 245931 291102 339619 436653 491862 679238 737793 873306 1018857 1475586 2037714 2377333 3056571 4754666 6113142 7131999 14263998 21395997 42791994
• Sum of all divisors σ(n): 112320000
• Sum of proper divisors (its aliquot sum) s(n): 69528006
• 42791994 is an abundant number, because the sum of its proper divisors (69528006) is greater than itself. Its abundance is 26736012

Bases of 42791994

• Binary: 10100011001111010000111010₂
• Hexadecimal: 0x28CF43A
• Base-36: PH6II

Squares and roots of 42791994

• 42791994 squared (42791994²) is 1831154750496036
• 42791994 cubed (42791994³) is 78358763096297869535784
• The square root of 42791994 is 6541.5589884981
• The cube root of 42791994 is 349.7739874171

Scales and comparisons

• 42,791,994 seconds is equal to 1 year, 18 weeks, 5 days, 6 hours, 39 minutes, 54 seconds.
• To count from 1 to 42,791,994 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 42791994 cubic inches would be around 29.1 feet tall.

Recreational maths with 42791994

• 42791994 backwards is 49919724
• The number of decimal digits it has is: 8
• The sum of 42791994's digits is 45
• More coming soon!