21131913309200

Names of 21131913309200

• Cardinal: 21131913309200 can be written as Twenty-one trillion, one hundred thirty-one billion, nine hundred thirteen million, three hundred nine thousand, two hundred.

Scientific notation

• Scientific notation: 2.11319133092 × 10¹³

Factors of 21131913309200

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1228599661

Divisors of 21131913309200

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 40 43 50 80 86 100 172 200 215 344 400 430 688 860 1075 1720 2150 3440 4300 8600 17200 1228599611 2457199222 4914398444 6142998055 9828796888 12285996110 19657593776 24571992220 30714990275 49143984440 52829783273 61429980550 98287968880 105659566546 122859961100 211319133092 245719922200 264148916365 422638266184 491439844400 528297832730 845276532368 1056595665460 1320744581825 2113191330920 2641489163650 4226382661840 5282978327300 10565956654600 21131913309200
• Sum of all divisors σ(n): 51950105993808
• Sum of proper divisors (its aliquot sum) s(n): 30818192684608
• 21131913309200 is an abundant number, because the sum of its proper divisors (30818192684608) is greater than itself. Its abundance is 9686279375408

Bases of 21131913309200

• Binary: 100110011100000101000001011111010110000010000₂
• Hexadecimal: 0x1338282FAC10
• Base-36: 7HNV7KOI8

Squares and roots of 21131913309200

• 21131913309200 squared (21131913309200²) is 446557760107544094804640000
• 21131913309200 cubed (21131913309200³) is 9436619874143151880328038589914688000000
• The square root of 21131913309200 is 4596946.0850873597
• The cube root of 21131913309200 is 27646.8892921461

Scales and comparisons

• 21,131,913,309,200 seconds is equal to 671,929 years, 24 weeks, 5 days, 23 hours, 13 minutes, 20 seconds.
• To count from 1 to 21,131,913,309,200 would take you about one million, six hundred seventy-nine thousand, eight hundred twenty-three 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 21131913309200 cubic inches would be around 2303.9 feet tall.

Recreational maths with 21131913309200

• 21131913309200 backwards is 00290331913112
• The number of decimal digits it has is: 14
• The sum of 21131913309200's digits is 35
• More coming soon!