13781380340

Names of 13781380340

• Cardinal: 13781380340 can be written as Thirteen billion, seven hundred eighty-one million, three hundred eighty thousand, three hundred forty.

Scientific notation

• Scientific notation: 1.378138034 × 10¹⁰

Factors of 13781380340

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1081768

Divisors of 13781380340

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 26 28 35 49 52 65 70 91 98 130 140 182 196 245 260 364 455 490 637 910 980 1274 1820 2548 3185 6370 12740 1081741 2163482 4326964 5408705 7572187 10817410 14062633 15144374 21634820 28125266 30288748 37860935 53005309 56250532 70313165 75721870 98438431 106010618 140626330 151443740 196876862 212021236 265026545 281252660 393753724 492192155 530053090 689069017 984384310 1060106180 1378138034 1968768620 2756276068 3445345085 6890690170 13781380340
• Sum of all divisors σ(n): 36255664872
• Sum of proper divisors (its aliquot sum) s(n): 22474284532
• 13781380340 is an abundant number, because the sum of its proper divisors (22474284532) is greater than itself. Its abundance is 8692904192

Bases of 13781380340

• Binary: 1100110101011011110010110011110100₂
• Hexadecimal: 0x3356F2CF4
• Base-36: 6BX2T4K

Squares and roots of 13781380340

• 13781380340 squared (13781380340²) is 189926444075738515600
• 13781380340 cubed (13781380340³) is 2617448562431492249870623304000
• The square root of 13781380340 is 117394.1239585695
• The cube root of 13781380340 is 2397.5310454715

Scales and comparisons

• 13,781,380,340 seconds is equal to 438 years, 10 weeks, 4 days, 17 hours, 12 minutes, 20 seconds.
• To count from 1 to 13,781,380,340 would take you about eight hundred seventy-six 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 13781380340 cubic inches would be around 199.8 feet tall.

Recreational maths with 13781380340

• 13781380340 backwards is 04308318731
• The number of decimal digits it has is: 11
• The sum of 13781380340's digits is 38
• More coming soon!