13401440

Names of 13401440

• Cardinal: 13401440 can be written as Thirteen million, four hundred one thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.340144 × 10⁷

Factors of 13401440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 416

Divisors of 13401440

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 13 16 17 20 26 32 34 40 52 65 68 80 85 104 130 136 160 170 208 221 260 272 340 379 416 442 520 544 680 758 884 1040 1105 1360 1516 1768 1895 2080 2210 2720 3032 3536 3790 4420 4927 6064 6443 7072 7580 8840 9854 12128 12886 15160 17680 19708 24635 25772 30320 32215 35360 39416 49270 51544 60640 64430 78832 83759 98540 103088 128860 157664 167518 197080 206176 257720 335036 394160 418795 515440 670072 788320 837590 1030880 1340144 1675180 2680288 3350360 6700720 13401440
• Sum of all divisors σ(n): 36197280
• Sum of proper divisors (its aliquot sum) s(n): 22795840
• 13401440 is an abundant number, because the sum of its proper divisors (22795840) is greater than itself. Its abundance is 9394400

Bases of 13401440

• Binary: 110011000111110101100000₂
• Hexadecimal: 0xCC7D60
• Base-36: 7Z8M8

Squares and roots of 13401440

• 13401440 squared (13401440²) is 179598594073600
• 13401440 cubed (13401440³) is 2406879782561705984000
• The square root of 13401440 is 3660.7977272721
• The cube root of 13401440 is 237.5292817083

Scales and comparisons

• 13,401,440 seconds is equal to 22 weeks, 1 day, 2 hours, 37 minutes, 20 seconds.
• To count from 1 to 13,401,440 would take you about thirty-three 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 13401440 cubic inches would be around 19.8 feet tall.

Recreational maths with 13401440

• 13401440 backwards is 04410431
• 13401440 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13401440's digits is 17
• More coming soon!