13245680

Names of 13245680

• Cardinal: 13245680 can be written as Thirteen million, two hundred forty-five thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.324568 × 10⁷

Factors of 13245680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 154

Divisors of 13245680

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 31 35 40 49 56 62 70 80 98 109 112 124 140 155 196 217 218 245 248 280 310 392 434 436 490 496 545 560 620 763 784 868 872 980 1085 1090 1240 1519 1526 1736 1744 1960 2170 2180 2480 3038 3052 3379 3472 3815 3920 4340 4360 5341 6076 6104 6758 7595 7630 8680 8720 10682 12152 12208 13516 15190 15260 16895 17360 21364 23653 24304 26705 27032 30380 30520 33790 42728 47306 53410 54064 60760 61040 67580 85456 94612 106820 118265 121520 135160 165571 189224 213640 236530 270320 331142 378448 427280 473060 662284 827855 946120 1324568 1655710 1892240 2649136 3311420 6622840 13245680
• Sum of all divisors σ(n): 37319040
• Sum of proper divisors (its aliquot sum) s(n): 24073360
• 13245680 is an abundant number, because the sum of its proper divisors (24073360) is greater than itself. Its abundance is 10827680

Bases of 13245680

• Binary: 110010100001110011110000₂
• Hexadecimal: 0xCA1CF0
• Base-36: 7VWFK

Squares and roots of 13245680

• 13245680 squared (13245680²) is 175448038662400
• 13245680 cubed (13245680³) is 2323928576749778432000
• The square root of 13245680 is 3639.4614986287
• The cube root of 13245680 is 236.6054548653

Scales and comparisons

• 13,245,680 seconds is equal to 21 weeks, 6 days, 7 hours, 21 minutes, 20 seconds.
• To count from 1 to 13,245,680 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 13245680 cubic inches would be around 19.7 feet tall.

Recreational maths with 13245680

• 13245680 backwards is 08654231
• The number of decimal digits it has is: 8
• The sum of 13245680's digits is 29
• More coming soon!