45242820

Names of 45242820

• Cardinal: 45242820 can be written as Forty-five million, two hundred forty-two thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 4.524282 × 10⁷

Factors of 45242820

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 11986

Divisors of 45242820

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 84 90 105 108 126 135 140 180 189 210 252 270 315 378 420 540 630 756 945 1260 1890 3780 11969 23938 35907 47876 59845 71814 83783 107721 119690 143628 167566 179535 215442 239380 251349 323163 335132 359070 418915 430884 502698 538605 646326 718140 754047 837830 1005396 1077210 1256745 1292652 1508094 1615815 1675660 2154420 2262141 2513490 3016188 3231630 3770235 4524282 5026980 6463260 7540470 9048564 11310705 15080940 22621410 45242820
• Sum of all divisors σ(n): 160876800
• Sum of proper divisors (its aliquot sum) s(n): 115633980
• 45242820 is an abundant number, because the sum of its proper divisors (115633980) is greater than itself. Its abundance is 70391160

Bases of 45242820

• Binary: 10101100100101100111000100₂
• Hexadecimal: 0x2B259C4
• Base-36: QXPL0

Squares and roots of 45242820

• 45242820 squared (45242820²) is 2046912761552400
• 45242820 cubed (45242820³) is 92608105626618153768000
• The square root of 45242820 is 6726.2783171677
• The cube root of 45242820 is 356.3279497019

Scales and comparisons

• 45,242,820 seconds is equal to 1 year, 22 weeks, 5 days, 15 hours, 27 minutes.
• To count from 1 to 45,242,820 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 45242820 cubic inches would be around 29.7 feet tall.

Recreational maths with 45242820

• 45242820 backwards is 02824254
• 45242820 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 45242820's digits is 27
• More coming soon!