13117820478728

Names of 13117820478728

• Cardinal: 13117820478728 can be written as Thirteen trillion, one hundred seventeen billion, eight hundred twenty million, four hundred seventy-eight thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.3117820478728 × 10¹³

Factors of 13117820478728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 575

Divisors of 13117820478728

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 14 28 56 103 206 412 463 721 824 926 1442 1852 2884 3241 3704 5768 6482 10609 12964 21218 25928 42436 47689 74263 84872 95378 148526 190756 214369 297052 333823 381512 428738 594104 667646 857476 1092727 1335292 1500583 1714952 2185454 2670584 3001166 4370908 4911967 6002332 7649089 8741816 9823934 12004664 15298178 19647868 22080007 30596356 34383769 39295736 44160014 61192712 68767538 88320028 137535076 154560049 176640056 275070152 309120098 505932601 618240196 1011865202 1236480392 2023730404 2274240721 3541528207 4047460808 4548481442 7083056414 9096962884 14166112828 15919685047 18193925768 28332225656 31839370094 63678740188 127357480376 234246794263 468493588526 936987177052 1639727559841 1873974354104 3279455119682 6558910239364 13117820478728
• Sum of all divisors σ(n): 28446639062400
• Sum of proper divisors (its aliquot sum) s(n): 15328818583672
• 13117820478728 is an abundant number, because the sum of its proper divisors (15328818583672) is greater than itself. Its abundance is 2210998104944

Bases of 13117820478728

• Binary: 10111110111000111011000001111010010100001000₂
• Hexadecimal: 0xBEE3B07A508
• Base-36: 4NE8RMCQW

Squares and roots of 13117820478728

• 13117820478728 squared (13117820478728²) is 172077214112135695100497984
• 13117820478728 cubed (13117820478728³) is 2257278003202636421377711508546078884352
• The square root of 13117820478728 is 3621853.1829338417
• The cube root of 13117820478728 is 23584.1680651303

Scales and comparisons

• 13,117,820,478,728 seconds is equal to 417,106 years, 5 weeks, 6 days, 21 hours, 52 minutes, 8 seconds.
• To count from 1 to 13,117,820,478,728 would take you about one million, forty-two thousand, seven hundred sixty-five 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 13117820478728 cubic inches would be around 1965.3 feet tall.

Recreational maths with 13117820478728

• 13117820478728 backwards is 82787402871131
• The number of decimal digits it has is: 14
• The sum of 13117820478728's digits is 59
• More coming soon!