42872742

Names of 42872742

• Cardinal: 42872742 can be written as Forty-two million, eight hundred seventy-two thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 4.2872742 × 10⁷

Factors of 42872742

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 351

Divisors of 42872742

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 11 17 18 22 33 34 47 51 66 94 99 102 141 153 187 198 271 282 306 374 423 517 542 561 799 813 846 1034 1122 1551 1598 1626 1683 2397 2439 2981 3102 3366 4607 4653 4794 4878 5962 7191 8789 8943 9214 9306 12737 13821 14382 17578 17886 25474 26367 26829 27642 38211 41463 50677 52734 53658 76422 79101 82926 101354 114633 140107 152031 158202 216529 229266 280214 304062 420321 433058 456093 649587 840642 912186 1260963 1299174 1948761 2381819 2521926 3897522 4763638 7145457 14290914 21436371 42872742
• Sum of all divisors σ(n): 109983744
• Sum of proper divisors (its aliquot sum) s(n): 67111002
• 42872742 is an abundant number, because the sum of its proper divisors (67111002) is greater than itself. Its abundance is 24238260

Bases of 42872742

• Binary: 10100011100010111110100110₂
• Hexadecimal: 0x28E2FA6
• Base-36: PIWTI

Squares and roots of 42872742

• 42872742 squared (42872742²) is 1838072006598564
• 42872742 cubed (42872742³) is 78803186916322531942488
• The square root of 42872742 is 6547.7280029029
• The cube root of 42872742 is 349.9938556745

Scales and comparisons

• 42,872,742 seconds is equal to 1 year, 18 weeks, 6 days, 5 hours, 5 minutes, 42 seconds.
• To count from 1 to 42,872,742 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 42872742 cubic inches would be around 29.2 feet tall.

Recreational maths with 42872742

• 42872742 backwards is 24727824
• The number of decimal digits it has is: 8
• The sum of 42872742's digits is 36
• More coming soon!