42525840

Names of 42525840

• Cardinal: 42525840 can be written as Forty-two million, five hundred twenty-five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 4.252584 × 10⁷

Factors of 42525840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1523

Divisors of 42525840

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 17 20 21 24 28 30 34 35 40 42 48 51 56 60 68 70 80 84 85 102 105 112 119 120 136 140 168 170 204 210 238 240 255 272 280 336 340 357 408 420 476 510 560 595 680 714 816 840 952 1020 1190 1360 1428 1489 1680 1785 1904 2040 2380 2856 2978 3570 4080 4467 4760 5712 5956 7140 7445 8934 9520 10423 11912 14280 14890 17868 20846 22335 23824 25313 28560 29780 31269 35736 41692 44670 50626 52115 59560 62538 71472 75939 83384 89340 101252 104230 119120 125076 126565 151878 156345 166768 177191 178680 202504 208460 250152 253130 303756 312690 354382 357360 379695 405008 416920 500304 506260 531573 607512 625380 708764 759390 833840 885955 1012520 1063146 1215024 1250760 1417528 1518780 1771910 2025040 2126292 2501520 2657865 2835056 3037560 3543820 4252584 5315730 6075120 7087640 8505168 10631460 14175280 21262920 42525840
• Sum of all divisors σ(n): 159632640
• Sum of proper divisors (its aliquot sum) s(n): 117106800
• 42525840 is an abundant number, because the sum of its proper divisors (117106800) is greater than itself. Its abundance is 74580960

Bases of 42525840

• Binary: 10100010001110010010010000₂
• Hexadecimal: 0x288E490
• Base-36: PBH5C

Squares and roots of 42525840

• 42525840 squared (42525840²) is 1808447067705600
• 42525840 cubed (42525840³) is 76905730649717512704000
• The square root of 42525840 is 6521.1839415861
• The cube root of 42525840 is 349.0473139413

Scales and comparisons

• 42,525,840 seconds is equal to 1 year, 18 weeks, 2 days, 4 hours, 44 minutes.
• To count from 1 to 42,525,840 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 42525840 cubic inches would be around 29.1 feet tall.

Recreational maths with 42525840

• 42525840 backwards is 04852524
• 42525840 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42525840's digits is 30
• More coming soon!