80042900

Names of 80042900

• Cardinal: 80042900 can be written as Eighty million, forty-two thousand, nine hundred.

Scientific notation

• Scientific notation: 8.00429 × 10⁷

Factors of 80042900

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3986

Divisors of 80042900

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 10 14 20 25 28 29 35 50 58 70 100 116 140 145 175 203 290 350 406 580 700 725 812 1015 1450 2030 2900 3943 4060 5075 7886 10150 15772 19715 20300 27601 39430 55202 78860 98575 110404 114347 138005 197150 228694 276010 394300 457388 552020 571735 690025 800429 1143470 1380050 1600858 2286940 2760100 2858675 3201716 4002145 5717350 8004290 11434700 16008580 20010725 40021450 80042900
• Sum of all divisors σ(n): 205403520
• Sum of proper divisors (its aliquot sum) s(n): 125360620
• 80042900 is an abundant number, because the sum of its proper divisors (125360620) is greater than itself. Its abundance is 45317720

Bases of 80042900

• Binary: 100110001010101101110010100₂
• Hexadecimal: 0x4C55B94
• Base-36: 1BNLHW

Squares and roots of 80042900

• 80042900 squared (80042900²) is 6406865840410000
• 80042900 cubed (80042900³) is 512824121777353589000000
• The square root of 80042900 is 8946.6697714847
• The cube root of 80042900 is 430.9639452831

Scales and comparisons

• 80,042,900 seconds is equal to 2 years, 28 weeks, 2 days, 10 hours, 8 minutes, 20 seconds.
• To count from 1 to 80,042,900 would take you about three 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 80042900 cubic inches would be around 35.9 feet tall.

Recreational maths with 80042900

• 80042900 backwards is 00924008
• The number of decimal digits it has is: 8
• The sum of 80042900's digits is 23
• More coming soon!