13045440

Names of 13045440

• Cardinal: 13045440 can be written as Thirteen million, forty-five thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.304544 × 10⁷

Factors of 13045440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 244

Divisors of 13045440

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 107 120 127 160 192 214 240 254 320 321 381 428 480 508 535 635 642 762 856 960 1016 1070 1270 1284 1524 1605 1712 1905 2032 2140 2540 2568 3048 3210 3424 3810 4064 4280 5080 5136 6096 6420 6848 7620 8128 8560 10160 10272 12192 12840 13589 15240 17120 20320 20544 24384 25680 27178 30480 34240 40640 40767 51360 54356 60960 67945 81534 102720 108712 121920 135890 163068 203835 217424 271780 326136 407670 434848 543560 652272 815340 869696 1087120 1304544 1630680 2174240 2609088 3261360 4348480 6522720 13045440
• Sum of all divisors σ(n): 42135552
• Sum of proper divisors (its aliquot sum) s(n): 29090112
• 13045440 is an abundant number, because the sum of its proper divisors (29090112) is greater than itself. Its abundance is 16044672

Bases of 13045440

• Binary: 110001110000111011000000₂
• Hexadecimal: 0xC70EC0
• Base-36: 7RLXC

Squares and roots of 13045440

• 13045440 squared (13045440²) is 170183504793600
• 13045440 cubed (13045440³) is 2220118700774621184000
• The square root of 13045440 is 3611.8471728467
• The cube root of 13045440 is 235.4071108277

Scales and comparisons

• 13,045,440 seconds is equal to 21 weeks, 3 days, 23 hours, 44 minutes.
• To count from 1 to 13,045,440 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 13045440 cubic inches would be around 19.6 feet tall.

Recreational maths with 13045440

• 13045440 backwards is 04454031
• The number of decimal digits it has is: 8
• The sum of 13045440's digits is 21
• More coming soon!