21187571834142

Names of 21187571834142

• Cardinal: 21187571834142 can be written as Twenty-one trillion, one hundred eighty-seven billion, five hundred seventy-one million, eight hundred thirty-four thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 2.1187571834142 × 10¹³

Factors of 21187571834142

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6114721

Divisors of 21187571834142

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 54 63 89 103 126 178 189 206 267 309 378 534 618 623 721 801 927 1246 1442 1602 1854 1869 2163 2403 2781 3738 4326 4806 5562 5607 6489 9167 11214 12978 16821 18334 19467 27501 33642 38934 55002 64169 82503 128338 165006 192507 247509 385014 495018 577521 1155042 1732563 3465126 6114517 12229034 18343551 36687102 42801619 55030653 85603238 110061306 128404857 165091959 256809714 330183918 385214571 544192013 629795251 770429142 1088384026 1155643713 1259590502 1632576039 1889385753 2311287426 3265152078 3778771506 3809344091 4408566757 4897728117 5668157259 7618688182 8817133514 9795456234 11336314518 11428032273 13225700271 14693184351 17004471777 22856064546 26451400542 29386368702 34008943554 34284096819 39677100813 56051777339 68568193638 79354201626 102852290457 112103554678 119031302439 168155332017 205704580914 238062604878 336310664034 392362441373 504465996051 784724882746 1008931992102 1177087324119 1513397988153 2354174648238 3026795976306 3531261972357 7062523944714 10593785917071 21187571834142
• Sum of all divisors σ(n): 54942612940800
• Sum of proper divisors (its aliquot sum) s(n): 33755041106658
• 21187571834142 is an abundant number, because the sum of its proper divisors (33755041106658) is greater than itself. Its abundance is 12567469272516

Bases of 21187571834142

• Binary: 100110100010100011101101100010101110100011110₂
• Hexadecimal: 0x13451DB15D1E
• Base-36: 7IDFP817I

Squares and roots of 21187571834142

• 21187571834142 squared (21187571834142²) is 448913200226927393956876164
• 21187571834142 cubed (21187571834142³) is 9511380677102594934995954912934241191288
• The square root of 21187571834142 is 4602995.9628639693
• The cube root of 21187571834142 is 27671.1407019457

Scales and comparisons

• 21,187,571,834,142 seconds is equal to 673,699 years, 12 weeks, 5 days, 20 hours, 35 minutes, 42 seconds.
• To count from 1 to 21,187,571,834,142 would take you about one million, six hundred eighty-four thousand, two hundred forty-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 21187571834142 cubic inches would be around 2305.9 feet tall.

Recreational maths with 21187571834142

• 21187571834142 backwards is 24143817578112
• 21187571834142 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21187571834142's digits is 54
• More coming soon!