15380339840

Names of 15380339840

• Cardinal: 15380339840 can be written as Fifteen billion, three hundred eighty million, three hundred thirty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.538033984 × 10¹⁰

Factors of 15380339840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3278

Divisors of 15380339840

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 41 64 80 82 128 160 164 193 205 320 328 386 410 640 656 772 820 965 1312 1544 1640 1930 2624 3037 3088 3280 3860 5248 6074 6176 6560 7720 7913 12148 12352 13120 15185 15440 15826 24296 24704 26240 30370 30880 31652 39565 48592 60740 61760 63304 79130 97184 121480 123520 124517 126608 158260 194368 242960 249034 253216 316520 388736 485920 498068 506432 586141 622585 633040 971840 996136 1012864 1172282 1245170 1266080 1943680 1992272 2344564 2490340 2532160 2930705 3984544 4689128 4980680 5064320 5861410 7969088 9378256 9961360 11722820 15938176 18756512 19922720 23445640 24031781 37513024 39845440 46891280 48063562 75026048 79690880 93782560 96127124 120158905 187565120 192254248 240317810 375130240 384508496 480635620 769016992 961271240 1538033984 1922542480 3076067968 3845084960 7690169920 15380339840
• Sum of all divisors σ(n): 37873044720
• Sum of proper divisors (its aliquot sum) s(n): 22492704880
• 15380339840 is an abundant number, because the sum of its proper divisors (22492704880) is greater than itself. Its abundance is 7112365040

Bases of 15380339840

• Binary: 1110010100101111010101110010000000₂
• Hexadecimal: 0x394BD5C80
• Base-36: 72D2268

Squares and roots of 15380339840

• 15380339840 squared (15380339840²) is 236554853593891225600
• 15380339840 cubed (15380339840³) is 3638294039075492397722107904000
• The square root of 15380339840 is 124017.4981202249
• The cube root of 15380339840 is 2486.8827536449

Scales and comparisons

• 15,380,339,840 seconds is equal to 489 years, 2 weeks, 3 days, 4 hours, 37 minutes, 20 seconds.
• To count from 1 to 15,380,339,840 would take you about nine hundred seventy-eight 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 15380339840 cubic inches would be around 207.2 feet tall.

Recreational maths with 15380339840

• 15380339840 backwards is 04893308351
• The number of decimal digits it has is: 11
• The sum of 15380339840's digits is 44
• More coming soon!