42042187728

Names of 42042187728

• Cardinal: 42042187728 can be written as Forty-two billion, forty-two million, one hundred eighty-seven thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 4.2042187728 × 10¹⁰

Factors of 42042187728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 61254

Divisors of 42042187728

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 37 43 48 54 72 74 86 108 111 129 144 148 172 216 222 258 296 333 344 387 432 444 516 592 666 688 774 888 999 1032 1161 1332 1548 1591 1776 1998 2064 2322 2664 3096 3182 3996 4644 4773 5328 6192 6364 7992 9288 9546 12728 14319 15984 18576 19092 25456 28638 38184 42957 57276 61169 76368 85914 114552 122338 171828 183507 229104 244676 343656 367014 489352 550521 687312 734028 978704 1101042 1468056 1651563 2202084 2263253 2630267 2936112 3303126 4404168 4526506 5260534 6606252 6789759 7890801 8808336 9053012 10521068 13212504 13579518 15781602 18106024 20369277 21042136 23672403 26425008 27159036 31563204 36212048 40738554 42084272 47344806 54318072 61107831 63126408 71017209 81477108 94689612 97319879 108636144 122215662 126252816 142034418 162954216 189379224 194639758 244431324 284068836 291959637 325908432 378758448 389279516 488862648 568137672 583919274 778559032 875878911 977725296 1136275344 1167838548 1557118064 1751757822 2335677096 2627636733 3503515644 4671354192 5255273466 7007031288 10510546932 14014062576 21021093864 42042187728
• Sum of all divisors σ(n): 126822537600
• Sum of proper divisors (its aliquot sum) s(n): 84780349872
• 42042187728 is an abundant number, because the sum of its proper divisors (84780349872) is greater than itself. Its abundance is 42738162144

Bases of 42042187728

• Binary: 100111001001111010001101111111010000₂
• Hexadecimal: 0x9C9E8DFD0
• Base-36: JBATZO0

Squares and roots of 42042187728

• 42042187728 squared (42042187728²) is 1767545548956393801984
• 42042187728 cubed (42042187728³) is 74311481787015522708906986852352
• The square root of 42042187728 is 205041.9170023535
• The cube root of 42042187728 is 3477.1901099151

Scales and comparisons

• 42,042,187,728 seconds is equal to 1,336 years, 42 weeks, 1 day, 9 hours, 28 minutes, 48 seconds.
• To count from 1 to 42,042,187,728 would take you about two thousand, six hundred seventy-three 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 42042187728 cubic inches would be around 289.8 feet tall.

Recreational maths with 42042187728

• 42042187728 backwards is 82778124024
• The number of decimal digits it has is: 11
• The sum of 42042187728's digits is 45
• More coming soon!