13687650945

Names of 13687650945

• Cardinal: 13687650945 can be written as Thirteen billion, six hundred eighty-seven million, six hundred fifty thousand, nine hundred forty-five.

Scientific notation

• Scientific notation: 1.3687650945 × 10¹⁰

Factors of 13687650945

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 356

Divisors of 13687650945

• Number of divisors d(n): 160
• Complete list of divisors:
  1 3 5 9 15 27 41 45 53 81 103 123 135 151 159 205 265 309 369 405 453 477 515 615 755 795 927 1107 1359 1431 1545 1845 2173 2265 2385 2781 3321 4077 4223 4293 4635 5459 5535 6191 6519 6795 7155 8003 8343 10865 12231 12669 13905 15553 16377 16605 18573 19557 20385 21115 21465 24009 27295 30955 32595 38007 40015 41715 46659 49131 55719 58671 61155 63345 72027 77765 81885 92865 97785 114021 120045 139977 147393 167157 176013 190035 216081 223819 233295 245655 278595 293355 328123 342063 360135 419931 442179 501471 570105 637673 648243 671457 699885 736965 824309 835785 880065 984369 1080405 1119095 1259793 1640615 1710315 1913019 2014371 2099655 2210895 2472927 2507355 2953107 3188365 3241215 3357285 4121545 4921845 5739057 6043113 6298965 7418781 8859321 9565095 10071855 12364635 14765535 17217171 18129339 22256343 26577963 28695285 30215565 33796669 37093905 44296605 51651513 66769029 86085855 90646695 101390007 111281715 132889815 168983345 258257565 304170021 333845145 506950035 912510063 1520850105 2737530189 4562550315 13687650945
• Sum of all divisors σ(n): 26028946944
• Sum of proper divisors (its aliquot sum) s(n): 12341295999
• 13687650945 is a deficient number, because the sum of its proper divisors (12341295999) is less than itself. Its deficiency is 1346354946

Bases of 13687650945

• Binary: 1100101111110110001111101010000001₂
• Hexadecimal: 0x32FD8FA81
• Base-36: 6AD9V29

Squares and roots of 13687650945

• 13687650945 squared (13687650945²) is 187351788392159393025
• 13687650945 cubed (13687650945³) is 2564405883433380546529267658625
• The square root of 13687650945 is 116994.2346656449
• The cube root of 13687650945 is 2392.0833444695

Scales and comparisons

• 13,687,650,945 seconds is equal to 435 years, 11 weeks, 4 days, 21 hours, 15 minutes, 45 seconds.
• To count from 1 to 13,687,650,945 would take you about eight hundred seventy years!

  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 13687650945 cubic inches would be around 199.3 feet tall.

Recreational maths with 13687650945

• 13687650945 backwards is 54905678631
• The number of decimal digits it has is: 11
• The sum of 13687650945's digits is 54
• More coming soon!