42728736158928

Names of 42728736158928

• Cardinal: 42728736158928 can be written as Forty-two trillion, seven hundred twenty-eight billion, seven hundred thirty-six million, one hundred fifty-eight thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 4.2728736158928 × 10¹³

Factors of 42728736158928

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1483165

Divisors of 42728736158928

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 69991 139982 209973 279964 419946 559928 629919 839892 1119856 1259838 1413169 1679784 1889757 2519676 2826338 3359568 3779514 4239507 5039352 5652676 7559028 8479014 10078704 11305352 12718521 15118056 16958028 22610704 25437042 30236112 33916056 38155563 50874084 67832112 76311126 101748168 152622252 203496336 305244504 610489008 98909111479 197818222958 296727334437 395636445916 593454668874 791272891832 890182003311 1186909337748 1582545783664 1780364006622 2373818675496 2670546009933 3560728013244 4747637350992 5341092019866 7121456026488 10682184039732 14242912052976 21364368079464 42728736158928
• Sum of all divisors σ(n): 122649137353600
• Sum of proper divisors (its aliquot sum) s(n): 79920401194672
• 42728736158928 is an abundant number, because the sum of its proper divisors (79920401194672) is greater than itself. Its abundance is 37191665035744

Bases of 42728736158928

• Binary: 1001101101110010001111001000111111010011010000₂
• Hexadecimal: 0x26DC8F23F4D0
• Base-36: F59B6AAC0

Squares and roots of 42728736158928

• 42728736158928 squared (42728736158928²) is 1825744893739281135274109184
• 42728736158928 cubed (42728736158928³) is 78011771858095780931104171225155048394752
• The square root of 42728736158928 is 6536722.1264887801
• The cube root of 42728736158928 is 34960.1549718173

Scales and comparisons

• 42,728,736,158,928 seconds is equal to 1,358,641 years, 33 weeks, 2 days, 9 hours, 28 minutes, 48 seconds.
• To count from 1 to 42,728,736,158,928 would take you about three million, three hundred ninety-six thousand, six hundred four 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 42728736158928 cubic inches would be around 2913.3 feet tall.

Recreational maths with 42728736158928

• 42728736158928 backwards is 82985163782724
• 42728736158928 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 42728736158928's digits is 72
• More coming soon!