42157123684

Names of 42157123684

• Cardinal: 42157123684 can be written as Forty-two billion, one hundred fifty-seven million, one hundred twenty-three thousand, six hundred eighty-four.

Scientific notation

• Scientific notation: 4.2157123684 × 10¹⁰

Factors of 42157123684

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 217

Divisors of 42157123684

• Number of divisors d(n): 81
• Complete list of divisors:
  1 2 4 13 26 52 53 106 149 169 212 298 338 596 676 689 1378 1937 2756 2809 3874 5618 7748 7897 8957 11236 15794 17914 22201 25181 31588 35828 36517 44402 50362 73034 88804 100724 102661 146068 205322 288613 410644 418541 474721 577226 837082 949442 1154452 1176653 1334593 1674164 1898884 2353306 2669186 3751969 4706612 5338372 5441033 7503938 10882066 15007876 15296489 21764132 30592978 61185956 62362609 70733429 124725218 141466858 198854357 249450436 282933716 397708714 795417428 810713917 1621427834 3242855668 10539280921 21078561842 42157123684
• Sum of all divisors σ(n): 81972359553
• Sum of proper divisors (its aliquot sum) s(n): 39815235869
• 42157123684 is a deficient number, because the sum of its proper divisors (39815235869) is less than itself. Its deficiency is 2341887815

Bases of 42157123684

• Binary: 100111010000110000101010100001100100₂
• Hexadecimal: 0x9D0C2A864
• Base-36: JD79GTG

Squares and roots of 42157123684

• 42157123684 squared (42157123684²) is 1777223077308073731856
• 42157123684 cubed (42157123684³) is 74922613084135558085644842877504
• 42157123684 is a perfect square number. Its square root is 205322
• The cube root of 42157123684 is 3480.3559024077

Scales and comparisons

• 42,157,123,684 seconds is equal to 1,340 years, 24 weeks, 1 day, 16 hours, 8 minutes, 4 seconds.
• To count from 1 to 42,157,123,684 would take you about two thousand, six hundred eighty 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 42157123684 cubic inches would be around 290 feet tall.

Recreational maths with 42157123684

• 42157123684 backwards is 48632175124
• The number of decimal digits it has is: 11
• The sum of 42157123684's digits is 43
• More coming soon!