42808320

Names of 42808320

• Cardinal: 42808320 can be written as Forty-two million, eight hundred eight thousand, three hundred twenty.

Scientific notation

• Scientific notation: 4.280832 × 10⁷

Factors of 42808320

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 939

Divisors of 42808320

• Number of divisors d(n): 132
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 256 288 320 360 384 480 512 576 640 720 768 929 960 1024 1152 1280 1440 1536 1858 1920 2304 2560 2787 2880 3072 3716 3840 4608 4645 5120 5574 5760 7432 7680 8361 9216 9290 11148 11520 13935 14864 15360 16722 18580 22296 23040 27870 29728 33444 37160 41805 44592 46080 55740 59456 66888 74320 83610 89184 111480 118912 133776 148640 167220 178368 222960 237824 267552 297280 334440 356736 445920 475648 535104 594560 668880 713472 891840 951296 1070208 1189120 1337760 1426944 1783680 2140416 2378240 2675520 2853888 3567360 4280832 4756480 5351040 7134720 8561664 10702080 14269440 21404160 42808320
• Sum of all divisors σ(n): 148489380
• Sum of proper divisors (its aliquot sum) s(n): 105681060
• 42808320 is an abundant number, because the sum of its proper divisors (105681060) is greater than itself. Its abundance is 62872740

Bases of 42808320

• Binary: 10100011010011010000000000₂
• Hexadecimal: 0x28D3400
• Base-36: PHJ40

Squares and roots of 42808320

• 42808320 squared (42808320²) is 1832552261222400
• 42808320 cubed (42808320³) is 78448483615132090368000
• The square root of 42808320 is 6542.8067371733
• The cube root of 42808320 is 349.8184636809

Scales and comparisons

• 42,808,320 seconds is equal to 1 year, 18 weeks, 5 days, 11 hours, 12 minutes.
• To count from 1 to 42,808,320 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 42808320 cubic inches would be around 29.2 feet tall.

Recreational maths with 42808320

• 42808320 backwards is 02380824
• The number of decimal digits it has is: 8
• The sum of 42808320's digits is 27
• More coming soon!