13539840

Names of 13539840

• Cardinal: 13539840 can be written as Thirteen million, five hundred thirty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.353984 × 10⁷

Factors of 13539840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 94

Divisors of 13539840

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 41 43 48 60 64 80 82 86 96 120 123 128 129 160 164 172 192 205 215 240 246 256 258 320 328 344 384 410 430 480 492 512 516 615 640 645 656 688 768 820 860 960 984 1032 1230 1280 1290 1312 1376 1536 1640 1720 1763 1920 1968 2064 2460 2560 2580 2624 2752 3280 3440 3526 3840 3936 4128 4920 5160 5248 5289 5504 6560 6880 7052 7680 7872 8256 8815 9840 10320 10496 10578 11008 13120 13760 14104 15744 16512 17630 19680 20640 20992 21156 22016 26240 26445 27520 28208 31488 33024 35260 39360 41280 42312 52480 52890 55040 56416 62976 66048 70520 78720 82560 84624 104960 105780 110080 112832 141040 157440 165120 169248 211560 225664 282080 314880 330240 338496 423120 451328 564160 676992 846240 902656 1128320 1353984 1692480 2256640 2707968 3384960 4513280 6769920 13539840
• Sum of all divisors σ(n): 45372096
• Sum of proper divisors (its aliquot sum) s(n): 31832256
• 13539840 is an abundant number, because the sum of its proper divisors (31832256) is greater than itself. Its abundance is 18292416

Bases of 13539840

• Binary: 110011101001101000000000₂
• Hexadecimal: 0xCE9A00
• Base-36: 827EO

Squares and roots of 13539840

• 13539840 squared (13539840²) is 183327267225600
• 13539840 cubed (13539840³) is 2482221865871867904000
• The square root of 13539840 is 3679.6521574735
• The cube root of 13539840 is 238.3441576035

Scales and comparisons

• 13,539,840 seconds is equal to 22 weeks, 2 days, 17 hours, 4 minutes.
• To count from 1 to 13,539,840 would take you about thirty-three weeks!

  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 13539840 cubic inches would be around 19.9 feet tall.

Recreational maths with 13539840

• 13539840 backwards is 04893531
• The number of decimal digits it has is: 8
• The sum of 13539840's digits is 33
• More coming soon!