243294138

Names of 243294138

• Cardinal: 243294138 can be written as Two hundred forty-three million, two hundred ninety-four thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 2.43294138 × 10⁸

Factors of 243294138

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 219

Divisors of 243294138

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 9 18 23 27 31 46 54 62 69 71 89 93 138 142 178 186 207 213 267 279 414 426 534 558 621 639 713 801 837 1242 1278 1426 1602 1633 1674 1917 2047 2139 2201 2403 2759 3266 3834 4094 4278 4402 4806 4899 5518 6141 6319 6417 6603 8277 9798 12282 12638 12834 13206 14697 16554 18423 18957 19251 19809 24831 29394 36846 37914 38502 39618 44091 49662 50623 55269 56871 59427 63457 74493 88182 101246 110538 113742 118854 126914 145337 148986 151869 170613 190371 195889 290674 303738 341226 380742 391778 436011 455607 571113 587667 872022 911214 1142226 1175334 1308033 1366821 1713339 1763001 2616066 2733642 3426678 3526002 3924099 4505447 5289003 7848198 9010894 10578006 13516341 27032682 40549023 81098046 121647069 243294138
• Sum of all divisors σ(n): 597196800
• Sum of proper divisors (its aliquot sum) s(n): 353902662
• 243294138 is an abundant number, because the sum of its proper divisors (353902662) is greater than itself. Its abundance is 110608524

Bases of 243294138

• Binary: 1110100000000101111110111010₂
• Hexadecimal: 0xE805FBA
• Base-36: 40UMYI

Squares and roots of 243294138

• 243294138 squared (243294138²) is 59192037585163044
• 243294138 cubed (243294138³) is 14401075760745844379436072
• The square root of 243294138 is 15597.8888956167
• The cube root of 243294138 is 624.2768279849

Scales and comparisons

• 243,294,138 seconds is equal to 7 years, 38 weeks, 1 day, 21 hours, 42 minutes, 18 seconds.
• To count from 1 to 243,294,138 would take you about eleven 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 243294138 cubic inches would be around 52 feet tall.

Recreational maths with 243294138

• 243294138 backwards is 831492342
• The number of decimal digits it has is: 9
• The sum of 243294138's digits is 36
• More coming soon!