13258221438

Names of 13258221438

• Cardinal: 13258221438 can be written as Thirteen billion, two hundred fifty-eight million, two hundred twenty-one thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 1.3258221438 × 10¹⁰

Factors of 13258221438

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 510

Divisors of 13258221438

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 11 14 21 22 33 42 66 77 121 154 231 242 363 462 487 726 847 974 1331 1461 1694 2541 2662 2922 3409 3993 5082 5357 6818 7986 9317 10227 10714 16071 18634 20454 27951 32142 37499 55902 58927 74998 112497 117854 176781 224994 237169 353562 412489 474338 648197 711507 824978 1237467 1296394 1423014 1660183 1944591 2474934 2608859 3320366 3889182 4537379 4980549 5217718 7826577 9074758 9961098 13612137 15653154 18262013 27224274 28697449 36524026 54786039 57394898 86092347 109572078 172184694 200882143 315671939 401764286 602646429 631343878 947015817 1205292858 1894031634 2209703573 4419407146 6629110719 13258221438
• Sum of all divisors σ(n): 33401265408
• Sum of proper divisors (its aliquot sum) s(n): 20143043970
• 13258221438 is an abundant number, because the sum of its proper divisors (20143043970) is greater than itself. Its abundance is 6884822532

Bases of 13258221438

• Binary: 1100010110010000000110011101111110₂
• Hexadecimal: 0x31640677E
• Base-36: 639LP4U

Squares and roots of 13258221438

• 13258221438 squared (13258221438²) is 175780435699042787844
• 13258221438 cubed (13258221438³) is 2330535940966029605872606599672
• The square root of 13258221438 is 115144.3504389165
• The cube root of 13258221438 is 2366.8010654043

Scales and comparisons

• 13,258,221,438 seconds is equal to 421 years, 29 weeks, 4 days, 15 hours, 17 minutes, 18 seconds.
• To count from 1 to 13,258,221,438 would take you about eight hundred forty-three 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 13258221438 cubic inches would be around 197.2 feet tall.

Recreational maths with 13258221438

• 13258221438 backwards is 83412285231
• The number of decimal digits it has is: 11
• The sum of 13258221438's digits is 39
• More coming soon!