13421969649

Names of 13421969649

• Cardinal: 13421969649 can be written as Thirteen billion, four hundred twenty-one million, nine hundred sixty-nine thousand, six hundred forty-nine.

Scientific notation

• Scientific notation: 1.3421969649 × 10¹⁰

Factors of 13421969649

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2652

Divisors of 13421969649

• Number of divisors d(n): 84
• Complete list of divisors:
  1 3 9 11 27 33 59 81 99 121 177 243 297 363 531 649 729 891 1089 1593 1947 2579 2673 3267 4779 5841 7139 7737 8019 9801 14337 17523 21417 23211 28369 29403 43011 52569 64251 69633 85107 88209 152161 157707 192753 208899 255321 312059 456483 473121 578259 626697 765963 936177 1369449 1673771 1734777 1880091 2297889 2808531 4108347 5021313 5204331 6893667 8425593 12325041 15063939 18411481 20681001 25276779 36975123 45191817 55234443 75830337 110925369 135575451 165703329 227491011 406726353 497109987 1220179059 1491329961 4473989883 13421969649
• Sum of all divisors σ(n): 22503121200
• Sum of proper divisors (its aliquot sum) s(n): 9081151551
• 13421969649 is a deficient number, because the sum of its proper divisors (9081151551) is less than itself. Its deficiency is 4340818098

Bases of 13421969649

• Binary: 1100100000000000110000000011110001₂
• Hexadecimal: 0x3200300F1
• Base-36: 65Z3E29

Squares and roots of 13421969649

• 13421969649 squared (13421969649²) is 180149269258677183201
• 13421969649 cubed (13421969649³) is 2417958024279493882812634666449
• The square root of 13421969649 is 115853.2245947431
• The cube root of 13421969649 is 2376.5051009491

Scales and comparisons

• 13,421,969,649 seconds is equal to 426 years, 40 weeks, 2 days, 20 hours, 54 minutes, 9 seconds.
• To count from 1 to 13,421,969,649 would take you about eight hundred fifty-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 13421969649 cubic inches would be around 198 feet tall.

Recreational maths with 13421969649

• 13421969649 backwards is 94696912431
• The number of decimal digits it has is: 11
• The sum of 13421969649's digits is 54
• More coming soon!