42870816

Names of 42870816

• Cardinal: 42870816 can be written as Forty-two million, eight hundred seventy thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 4.2870816 × 10⁷

Factors of 42870816

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 93

Divisors of 42870816

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 29 32 36 48 54 58 59 72 87 96 108 116 118 144 174 177 216 232 236 261 288 348 354 432 464 472 522 531 696 708 783 841 864 928 944 1044 1062 1392 1416 1566 1593 1682 1711 1888 2088 2124 2523 2784 2832 3132 3186 3364 3422 4176 4248 5046 5133 5664 6264 6372 6728 6844 7569 8352 8496 10092 10266 12528 12744 13456 13688 15138 15399 16992 20184 20532 22707 25056 25488 26912 27376 30276 30798 40368 41064 45414 46197 49619 50976 54752 60552 61596 80736 82128 90828 92394 99238 121104 123192 148857 164256 181656 184788 198476 242208 246384 297714 363312 369576 396952 446571 492768 595428 726624 739152 793904 893142 1190856 1339713 1478304 1587808 1786284 2381712 2679426 3572568 4763424 5358852 7145136 10717704 14290272 21435408 42870816
• Sum of all divisors σ(n): 131695200
• Sum of proper divisors (its aliquot sum) s(n): 88824384
• 42870816 is an abundant number, because the sum of its proper divisors (88824384) is greater than itself. Its abundance is 45953568

Bases of 42870816

• Binary: 10100011100010100000100000₂
• Hexadecimal: 0x28E2820
• Base-36: PIVC0

Squares and roots of 42870816

• 42870816 squared (42870816²) is 1837906864505856
• 42870816 cubed (42870816³) is 78792567013367483498496
• The square root of 42870816 is 6547.5809273349
• The cube root of 42870816 is 349.9886145957

Scales and comparisons

• 42,870,816 seconds is equal to 1 year, 18 weeks, 6 days, 4 hours, 33 minutes, 36 seconds.
• To count from 1 to 42,870,816 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 42870816 cubic inches would be around 29.2 feet tall.

Recreational maths with 42870816

• 42870816 backwards is 61807824
• 42870816 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42870816's digits is 36
• More coming soon!