42665868

Names of 42665868

• Cardinal: 42665868 can be written as Forty-two million, six hundred sixty-five thousand, eight hundred sixty-eight.

Scientific notation

• Scientific notation: 4.2665868 × 10⁷

Factors of 42665868

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 98

Divisors of 42665868

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 19 21 28 36 38 42 49 57 63 67 76 84 98 114 126 133 134 147 171 196 201 228 252 266 268 294 342 361 399 402 441 469 532 588 603 684 722 798 804 882 931 938 1083 1197 1206 1273 1407 1444 1596 1764 1862 1876 2166 2394 2412 2527 2546 2793 2814 3249 3283 3724 3819 4221 4332 4788 5054 5092 5586 5628 6498 6566 7581 7638 8379 8442 8911 9849 10108 11172 11457 12996 13132 15162 15276 16758 16884 17689 17822 19698 22743 22914 24187 26733 29547 30324 33516 35378 35644 39396 45486 45828 48374 53067 53466 59094 62377 70756 72561 80199 90972 96748 106134 106932 118188 124754 145122 159201 160398 169309 187131 212268 217683 249508 290244 318402 320796 338618 374262 435366 507927 561393 636804 677236 748524 870732 1015854 1122786 1185163 1523781 2031708 2245572 2370326 3047562 3555489 4740652 6095124 7110978 10666467 14221956 21332934 42665868
• Sum of all divisors σ(n): 134384796
• Sum of proper divisors (its aliquot sum) s(n): 91718928
• 42665868 is an abundant number, because the sum of its proper divisors (91718928) is greater than itself. Its abundance is 49053060

Bases of 42665868

• Binary: 10100010110000011110001100₂
• Hexadecimal: 0x28B078C
• Base-36: PEH70

Squares and roots of 42665868

• 42665868 squared (42665868²) is 1820376292193424
• 42665868 cubed (42665868³) is 77667934593054058852032
• The square root of 42665868 is 6531.9115119543
• The cube root of 42665868 is 349.4300055697

Scales and comparisons

• 42,665,868 seconds is equal to 1 year, 18 weeks, 3 days, 19 hours, 37 minutes, 48 seconds.
• To count from 1 to 42,665,868 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 42665868 cubic inches would be around 29.1 feet tall.

Recreational maths with 42665868

• 42665868 backwards is 86856624
• The number of decimal digits it has is: 8
• The sum of 42665868's digits is 45
• More coming soon!