12838320

Names of 12838320

• Cardinal: 12838320 can be written as Twelve million, eight hundred thirty-eight thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.283832 × 10⁷

Factors of 12838320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1642

Divisors of 12838320

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 33 36 40 44 45 48 55 60 66 72 80 88 90 99 110 120 132 144 165 176 180 198 220 240 264 330 360 396 440 495 528 660 720 792 880 990 1320 1584 1621 1980 2640 3242 3960 4863 6484 7920 8105 9726 12968 14589 16210 17831 19452 24315 25936 29178 32420 35662 38904 48630 53493 58356 64840 71324 72945 77808 89155 97260 106986 116712 129680 142648 145890 160479 178310 194520 213972 233424 267465 285296 291780 320958 356620 389040 427944 534930 583560 641916 713240 802395 855888 1069860 1167120 1283832 1426480 1604790 2139720 2567664 3209580 4279440 6419160 12838320
• Sum of all divisors σ(n): 47063952
• Sum of proper divisors (its aliquot sum) s(n): 34225632
• 12838320 is an abundant number, because the sum of its proper divisors (34225632) is greater than itself. Its abundance is 21387312

Bases of 12838320

• Binary: 110000111110010110110000₂
• Hexadecimal: 0xC3E5B0
• Base-36: 7N640

Squares and roots of 12838320

• 12838320 squared (12838320²) is 164822460422400
• 12838320 cubed (12838320³) is 2116043490090106368000
• The square root of 12838320 is 3583.0601446249
• The cube root of 12838320 is 234.1546205787

Scales and comparisons

• 12,838,320 seconds is equal to 21 weeks, 1 day, 14 hours, 12 minutes.
• To count from 1 to 12,838,320 would take you about thirty-one weeks!

  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 12838320 cubic inches would be around 19.5 feet tall.

Recreational maths with 12838320

• 12838320 backwards is 02383821
• The number of decimal digits it has is: 8
• The sum of 12838320's digits is 27
• More coming soon!