42272748

Names of 42272748

• Cardinal: 42272748 can be written as Forty-two million, two hundred seventy-two thousand, seven hundred forty-eight.

Scientific notation

• Scientific notation: 4.2272748 × 10⁷

Factors of 42272748

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 902

Divisors of 42272748

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 271 542 619 813 1084 1238 1626 1857 1897 2439 2476 3252 3714 3794 4333 4878 5571 5691 7428 7588 8666 9756 11142 11382 12999 17073 17332 22284 22764 25998 34146 38997 51996 68292 77994 155988 167749 335498 503247 670996 1006494 1174243 1509741 2012988 2348486 3019482 3522729 4696972 6038964 7045458 10568187 14090916 21136374 42272748
• Sum of all divisors σ(n): 122769920
• Sum of proper divisors (its aliquot sum) s(n): 80497172
• 42272748 is an abundant number, because the sum of its proper divisors (80497172) is greater than itself. Its abundance is 38224424

Bases of 42272748

• Binary: 10100001010000011111101100₂
• Hexadecimal: 0x28507EC
• Base-36: P61V0

Squares and roots of 42272748

• 42272748 squared (42272748²) is 1786985223471504
• 42272748 cubed (42272748³) is 75540776031534573772992
• The square root of 42272748 is 6501.7496106817
• The cube root of 42272748 is 348.3534854505

Scales and comparisons

• 42,272,748 seconds is equal to 1 year, 17 weeks, 6 days, 6 hours, 25 minutes, 48 seconds.
• To count from 1 to 42,272,748 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 42272748 cubic inches would be around 29 feet tall.

Recreational maths with 42272748

• 42272748 backwards is 84727224
• 42272748 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42272748's digits is 36
• More coming soon!