12740490

Names of 12740490

• Cardinal: 12740490 can be written as Twelve million, seven hundred forty thousand, four hundred ninety.

Scientific notation

• Scientific notation: 1.274049 × 10⁷

Factors of 12740490

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 124

Divisors of 12740490

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 49 54 63 70 81 90 98 105 107 126 135 147 162 189 210 214 243 245 270 294 315 321 378 405 441 486 490 535 567 630 642 735 749 810 882 945 963 1070 1134 1215 1323 1470 1498 1605 1701 1890 1926 2205 2247 2430 2646 2835 2889 3210 3402 3745 3969 4410 4494 4815 5243 5670 5778 6615 6741 7490 7938 8505 8667 9630 10486 11235 11907 13230 13482 14445 15729 17010 17334 19845 20223 22470 23814 26001 26215 28890 31458 33705 39690 40446 43335 47187 52002 52430 59535 60669 67410 78645 86670 94374 101115 119070 121338 130005 141561 157290 182007 202230 235935 260010 283122 303345 364014 424683 471870 606690 707805 849366 910035 1274049 1415610 1820070 2123415 2548098 4246830 6370245 12740490
• Sum of all divisors σ(n): 40334112
• Sum of proper divisors (its aliquot sum) s(n): 27593622
• 12740490 is an abundant number, because the sum of its proper divisors (27593622) is greater than itself. Its abundance is 14853132

Bases of 12740490

• Binary: 110000100110011110001010₂
• Hexadecimal: 0xC2678A
• Base-36: 7L2MI

Squares and roots of 12740490

• 12740490 squared (12740490²) is 162320085440100
• 12740490 cubed (12740490³) is 2068037425348739649000
• The square root of 12740490 is 3569.3822995023
• The cube root of 12740490 is 233.5583385117

Scales and comparisons

• 12,740,490 seconds is equal to 21 weeks, 11 hours, 1 minute, 30 seconds.
• To count from 1 to 12,740,490 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 12740490 cubic inches would be around 19.5 feet tall.

Recreational maths with 12740490

• 12740490 backwards is 09404721
• 12740490 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 12740490's digits is 27
• More coming soon!