13287887120

Names of 13287887120

• Cardinal: 13287887120 can be written as Thirteen billion, two hundred eighty-seven million, eight hundred eighty-seven thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.328788712 × 10¹⁰

Factors of 13287887120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 282058

Divisors of 13287887120

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 31 38 40 62 76 80 95 124 152 155 190 248 304 310 380 496 589 620 760 1178 1240 1520 2356 2480 2945 4712 5890 9424 11780 23560 47120 282001 564002 1128004 1410005 2256008 2820010 4512016 5358019 5640020 8742031 10716038 11280040 17484062 21432076 22560080 26790095 34968124 42864152 43710155 53580190 69936248 85728304 87420310 107160380 139872496 166098589 174840620 214320760 332197178 349681240 428641520 664394356 699362480 830492945 1328788712 1660985890 2657577424 3321971780 6643943560 13287887120
• Sum of all divisors σ(n): 33569518080
• Sum of proper divisors (its aliquot sum) s(n): 20281630960
• 13287887120 is an abundant number, because the sum of its proper divisors (20281630960) is greater than itself. Its abundance is 6993743840

Bases of 13287887120

• Binary: 1100011000000001010001000100010000₂
• Hexadecimal: 0x318051110
• Base-36: 63R9JBK

Squares and roots of 13287887120

• 13287887120 squared (13287887120²) is 176567944113861894400
• 13287887120 cubed (13287887120³) is 2346214910395465280056560128000
• The square root of 13287887120 is 115273.0979890799
• The cube root of 13287887120 is 2368.5650140439

Scales and comparisons

• 13,287,887,120 seconds is equal to 422 years, 26 weeks, 4 days, 23 hours, 45 minutes, 20 seconds.
• To count from 1 to 13,287,887,120 would take you about eight hundred forty-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 13287887120 cubic inches would be around 197.4 feet tall.

Recreational maths with 13287887120

• 13287887120 backwards is 02178878231
• The number of decimal digits it has is: 11
• The sum of 13287887120's digits is 47
• More coming soon!