13981500

Names of 13981500

• Cardinal: 13981500 can be written as Thirteen million, nine hundred eighty-one thousand, five hundred.

Scientific notation

• Scientific notation: 1.39815 × 10⁷

Factors of 13981500

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 262

Divisors of 13981500

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 25 26 30 36 39 45 50 52 60 65 75 78 90 100 117 125 130 150 156 180 195 225 234 239 250 260 300 325 375 390 450 468 478 500 585 650 717 750 780 900 956 975 1125 1170 1195 1300 1434 1500 1625 1950 2151 2250 2340 2390 2868 2925 3107 3250 3585 3900 4302 4500 4780 4875 5850 5975 6214 6500 7170 8604 9321 9750 10755 11700 11950 12428 14340 14625 15535 17925 18642 19500 21510 23900 27963 29250 29875 31070 35850 37284 43020 46605 53775 55926 58500 59750 62140 71700 77675 89625 93210 107550 111852 119500 139815 155350 179250 186420 215100 233025 268875 279630 310700 358500 388375 466050 537750 559260 699075 776750 932100 1075500 1165125 1398150 1553500 2330250 2796300 3495375 4660500 6990750 13981500
• Sum of all divisors σ(n): 47698560
• Sum of proper divisors (its aliquot sum) s(n): 33717060
• 13981500 is an abundant number, because the sum of its proper divisors (33717060) is greater than itself. Its abundance is 19735560

Bases of 13981500

• Binary: 110101010101011100111100₂
• Hexadecimal: 0xD5573C
• Base-36: 8BO70

Squares and roots of 13981500

• 13981500 squared (13981500²) is 195482342250000
• 13981500 cubed (13981500³) is 2733136368168375000000
• The square root of 13981500 is 3739.1844030483
• The cube root of 13981500 is 240.9080185935

Scales and comparisons

• 13,981,500 seconds is equal to 23 weeks, 19 hours, 45 minutes.
• To count from 1 to 13,981,500 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 13981500 cubic inches would be around 20.1 feet tall.

Recreational maths with 13981500

• 13981500 backwards is 00518931
• The number of decimal digits it has is: 8
• The sum of 13981500's digits is 27
• More coming soon!