12905200

Names of 12905200

• Cardinal: 12905200 can be written as Twelve million, nine hundred five thousand, two hundred.

Scientific notation

• Scientific notation: 1.29052 × 10⁷

Factors of 12905200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 444

Divisors of 12905200

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 25 28 35 40 44 50 55 56 70 77 80 88 100 110 112 140 154 175 176 200 220 275 280 308 350 385 400 419 440 550 560 616 700 770 838 880 1100 1232 1400 1540 1676 1925 2095 2200 2800 2933 3080 3352 3850 4190 4400 4609 5866 6160 6704 7700 8380 9218 10475 11732 14665 15400 16760 18436 20950 23045 23464 29330 30800 32263 33520 36872 41900 46090 46928 58660 64526 73325 73744 83800 92180 115225 117320 129052 146650 161315 167600 184360 230450 234640 258104 293300 322630 368720 460900 516208 586600 645260 806575 921800 1173200 1290520 1613150 1843600 2581040 3226300 6452600 12905200
• Sum of all divisors σ(n): 38747520
• Sum of proper divisors (its aliquot sum) s(n): 25842320
• 12905200 is an abundant number, because the sum of its proper divisors (25842320) is greater than itself. Its abundance is 12937120

Bases of 12905200

• Binary: 110001001110101011110000₂
• Hexadecimal: 0xC4EAF0
• Base-36: 7OLPS

Squares and roots of 12905200

• 12905200 squared (12905200²) is 166544187040000
• 12905200 cubed (12905200³) is 2149286042588608000000
• The square root of 12905200 is 3592.3808261373
• The cube root of 12905200 is 234.5605185961

Scales and comparisons

• 12,905,200 seconds is equal to 21 weeks, 2 days, 8 hours, 46 minutes, 40 seconds.
• To count from 1 to 12,905,200 would take you about thirty-two 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 12905200 cubic inches would be around 19.5 feet tall.

Recreational maths with 12905200

• 12905200 backwards is 00250921
• The number of decimal digits it has is: 8
• The sum of 12905200's digits is 19
• More coming soon!