13455218745

Names of 13455218745

• Cardinal: 13455218745 can be written as Thirteen billion, four hundred fifty-five million, two hundred eighteen thousand, seven hundred forty-five.

Scientific notation

• Scientific notation: 1.3455218745 × 10¹⁰

Factors of 13455218745

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 457

Divisors of 13455218745

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 9 15 27 45 59 73 135 177 219 295 317 365 531 657 885 951 1095 1585 1593 1971 2655 2853 3285 4307 4755 5329 7965 8559 9855 12921 14265 15987 18703 21535 23141 26645 38763 42795 47961 56109 64605 69423 79935 93515 115705 116289 143883 168327 193815 208269 239805 280545 314411 347115 504981 581445 624807 719415 841635 943233 1041345 1365319 1572055 1689293 2524905 2829699 3124035 4095957 4716165 5067879 6826595 8446465 8489097 12287871 14148495 15203637 20479785 25339395 36863613 42445485 45610911 61439355 76018185 99668287 184318065 228054555 299004861 498341435 897014583 1495024305 2691043749 4485072915 13455218745
• Sum of all divisors σ(n): 24741417600
• Sum of proper divisors (its aliquot sum) s(n): 11286198855
• 13455218745 is a deficient number, because the sum of its proper divisors (11286198855) is less than itself. Its deficiency is 2169019890

Bases of 13455218745

• Binary: 1100100001111111100101100000111001₂
• Hexadecimal: 0x321FE5839
• Base-36: 66IW189

Squares and roots of 13455218745

• 13455218745 squared (13455218745²) is 181042911475799375025
• 13455218745 cubed (13455218745³) is 2435971976138551364695664843625
• The square root of 13455218745 is 115996.6324726711
• The cube root of 13455218745 is 2378.4658536281

Scales and comparisons

• 13,455,218,745 seconds is equal to 427 years, 43 weeks, 2 days, 16 hours, 45 minutes, 45 seconds.
• To count from 1 to 13,455,218,745 would take you about eight hundred fifty-five 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 13455218745 cubic inches would be around 198.2 feet tall.

Recreational maths with 13455218745

• 13455218745 backwards is 54781255431
• 13455218745 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13455218745's digits is 45
• More coming soon!