13818331647

Names of 13818331647

• Cardinal: 13818331647 can be written as Thirteen billion, eight hundred eighteen million, three hundred thirty-one thousand, six hundred forty-seven.

Scientific notation

• Scientific notation: 1.3818331647 × 10¹⁰

Factors of 13818331647

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 210

Divisors of 13818331647

• Number of divisors d(n): 90
• Complete list of divisors:
  1 3 9 19 27 57 61 81 127 171 183 361 381 513 549 1083 1143 1159 1539 1647 2413 3249 3429 3477 3721 4941 7239 7747 9747 10287 10431 11163 21717 22021 23241 29241 31293 33489 45847 65151 66063 69723 70699 93879 100467 137541 147193 195453 198189 209169 212097 301401 412623 441579 472567 594567 627507 636291 1237869 1324737 1343281 1417701 1783701 1908873 2796667 3713607 3974211 4029843 4253103 5726619 8390001 8978773 11922633 12089529 12759309 25170003 26936319 36268587 38277927 75510009 80808957 108805761 170596687 226530027 242426871 511790061 727280613 1535370183 4606110549 13818331647
• Sum of all divisors σ(n): 22323210624
• Sum of proper divisors (its aliquot sum) s(n): 8504878977
• 13818331647 is a deficient number, because the sum of its proper divisors (8504878977) is less than itself. Its deficiency is 5313452670

Bases of 13818331647

• Binary: 1100110111101000110000000111111111₂
• Hexadecimal: 0x337A301FF
• Base-36: 6CJ2SXR

Squares and roots of 13818331647

• 13818331647 squared (13818331647²) is 190946289506481732609
• 13818331647 cubed (13818331647³) is 2638559155164640537338336577023
• The square root of 13818331647 is 117551.4000214375
• The cube root of 13818331647 is 2399.6719254675

Scales and comparisons

• 13,818,331,647 seconds is equal to 439 years, 19 weeks, 5 days, 9 hours, 27 minutes, 27 seconds.
• To count from 1 to 13,818,331,647 would take you about eight hundred seventy-eight 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 13818331647 cubic inches would be around 200 feet tall.

Recreational maths with 13818331647

• 13818331647 backwards is 74613381831
• The number of decimal digits it has is: 11
• The sum of 13818331647's digits is 45
• More coming soon!