13938504728

Names of 13938504728

• Cardinal: 13938504728 can be written as Thirteen billion, nine hundred thirty-eight million, five hundred four thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.3938504728 × 10¹⁰

Factors of 13938504728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 717

Divisors of 13938504728

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 19 37 38 67 71 74 76 134 142 148 152 268 284 296 521 536 568 703 1042 1273 1349 1406 2084 2479 2546 2627 2698 2812 4168 4757 4958 5092 5254 5396 5624 9514 9899 9916 10184 10508 10792 19028 19277 19798 19832 21016 34907 36991 38056 38554 39596 47101 49913 69814 73982 77108 79192 90383 94202 99826 139628 147964 154216 176009 180766 188404 199652 279256 295928 352018 361532 366263 376808 399304 663233 702829 704036 723064 732526 1291559 1326466 1368667 1405658 1408072 1465052 2478397 2583118 2652932 2737334 2811316 2930104 3344171 4956794 5166236 5305864 5474668 5622632 6688342 9913588 10332472 10949336 13376684 19827176 24539621 26004673 26753368 47089543 49079242 52009346 91700689 94179086 98158484 104018692 183401378 188358172 196316968 208037384 366802756 376716344 733605512 1742313091 3484626182 6969252364 13938504728
• Sum of all divisors σ(n): 29135116800
• Sum of proper divisors (its aliquot sum) s(n): 15196612072
• 13938504728 is an abundant number, because the sum of its proper divisors (15196612072) is greater than itself. Its abundance is 1258107344

Bases of 13938504728

• Binary: 1100111110110011001011010000011000₂
• Hexadecimal: 0x33ECCB418
• Base-36: 6EIMJ2W

Squares and roots of 13938504728

• 13938504728 squared (13938504728²) is 194281914052478353984
• 13938504728 cubed (13938504728³) is 2707999377585359177123641636352
• The square root of 13938504728 is 118061.4447141827
• The cube root of 13938504728 is 2406.6082190857

Scales and comparisons

• 13,938,504,728 seconds is equal to 443 years, 10 weeks, 3 days, 6 hours, 52 minutes, 8 seconds.
• To count from 1 to 13,938,504,728 would take you about eight hundred eighty-six 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 13938504728 cubic inches would be around 200.6 feet tall.

Recreational maths with 13938504728

• 13938504728 backwards is 82740583931
• The number of decimal digits it has is: 11
• The sum of 13938504728's digits is 50
• More coming soon!