13968720

Names of 13968720

• Cardinal: 13968720 can be written as Thirteen million, nine hundred sixty-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.396872 × 10⁷

Factors of 13968720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 262

Divisors of 13968720

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 29 30 36 40 45 48 54 58 60 72 80 87 90 108 116 120 135 144 145 174 180 216 223 232 240 261 270 290 348 360 432 435 446 464 522 540 580 669 696 720 783 870 892 1044 1080 1115 1160 1305 1338 1392 1566 1740 1784 2007 2088 2160 2230 2320 2610 2676 3132 3345 3480 3568 3915 4014 4176 4460 5220 5352 6021 6264 6467 6690 6960 7830 8028 8920 10035 10440 10704 12042 12528 12934 13380 15660 16056 17840 19401 20070 20880 24084 25868 26760 30105 31320 32112 32335 38802 40140 48168 51736 53520 58203 60210 62640 64670 77604 80280 96336 97005 103472 116406 120420 129340 155208 160560 174609 194010 232812 240840 258680 291015 310416 349218 388020 465624 481680 517360 582030 698436 776040 873045 931248 1164060 1396872 1552080 1746090 2328120 2793744 3492180 4656240 6984360 13968720
• Sum of all divisors σ(n): 49996800
• Sum of proper divisors (its aliquot sum) s(n): 36028080
• 13968720 is an abundant number, because the sum of its proper divisors (36028080) is greater than itself. Its abundance is 22059360

Bases of 13968720

• Binary: 110101010010010101010000₂
• Hexadecimal: 0xD52550
• Base-36: 8BEC0

Squares and roots of 13968720

• 13968720 squared (13968720²) is 195125138438400
• 13968720 cubed (13968720³) is 2725648423807246848000
• The square root of 13968720 is 3737.4750835289
• The cube root of 13968720 is 240.8345943533

Scales and comparisons

• 13,968,720 seconds is equal to 23 weeks, 16 hours, 12 minutes.
• To count from 1 to 13,968,720 would take you about thirty-four 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 13968720 cubic inches would be around 20.1 feet tall.

Recreational maths with 13968720

• 13968720 backwards is 02786931
• 13968720 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13968720's digits is 36
• More coming soon!