13666435840

Names of 13666435840

• Cardinal: 13666435840 can be written as Thirteen billion, six hundred sixty-six million, four hundred thirty-five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.366643584 × 10¹⁰

Factors of 13666435840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 201511

Divisors of 13666435840

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 53 64 80 106 128 160 212 256 265 320 424 530 640 848 1060 1280 1696 2120 3392 4240 6784 8480 13568 16960 33920 67840 201451 402902 805804 1007255 1611608 2014510 3223216 4029020 6446432 8058040 10676903 12892864 16116080 21353806 25785728 32232160 42707612 51571456 53384515 64464320 85415224 106769030 128928640 170830448 213538060 257857280 341660896 427076120 683321792 854152240 1366643584 1708304480 2733287168 3416608960 6833217920 13666435840
• Sum of all divisors σ(n): 33353198928
• Sum of proper divisors (its aliquot sum) s(n): 19686763088
• 13666435840 is an abundant number, because the sum of its proper divisors (19686763088) is greater than itself. Its abundance is 6020327248

Bases of 13666435840

• Binary: 1100101110100101010100001100000000₂
• Hexadecimal: 0x32E954300
• Base-36: 6A0N5DS

Squares and roots of 13666435840

• 13666435840 squared (13666435840²) is 186771468568836505600
• 13666435840 cubed (13666435840³) is 2552500291938580727232200704000
• The square root of 13666435840 is 116903.5321964225
• The cube root of 13666435840 is 2390.8468396049

Scales and comparisons

• 13,666,435,840 seconds is equal to 434 years, 28 weeks, 4 days, 8 hours, 10 minutes, 40 seconds.
• To count from 1 to 13,666,435,840 would take you about eight hundred sixty-nine 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 13666435840 cubic inches would be around 199.2 feet tall.

Recreational maths with 13666435840

• 13666435840 backwards is 04853466631
• The number of decimal digits it has is: 11
• The sum of 13666435840's digits is 46
• More coming soon!