13261679730

Names of 13261679730

• Cardinal: 13261679730 can be written as Thirteen billion, two hundred sixty-one million, six hundred seventy-nine thousand, seven hundred thirty.

Scientific notation

• Scientific notation: 1.326167973 × 10¹⁰

Factors of 13261679730

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 11749

Divisors of 13261679730

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 585 1063 1170 2126 3189 5315 6378 9567 10630 10663 13819 15945 19134 21326 27638 31890 31989 41457 47835 53315 63978 69095 82914 95670 95967 106630 124371 138190 138619 159945 191934 207285 248742 277238 319890 414570 415857 479835 621855 693095 831714 959670 1243710 1247571 1386190 2079285 2495142 4158570 6237855 11334769 12475710 22669538 34004307 56673845 68008614 102012921 113347690 147351997 170021535 204025842 294703994 340043070 442055991 510064605 736759985 884111982 1020129210 1326167973 1473519970 2210279955 2652335946 4420559910 6630839865 13261679730
• Sum of all divisors σ(n): 37171120896
• Sum of proper divisors (its aliquot sum) s(n): 23909441166
• 13261679730 is an abundant number, because the sum of its proper divisors (23909441166) is greater than itself. Its abundance is 10647761436

Bases of 13261679730

• Binary: 1100010110011101010010110001110010₂
• Hexadecimal: 0x316752C72
• Base-36: 63BNTKI

Squares and roots of 13261679730

• 13261679730 squared (13261679730²) is 175872149261092872900
• 13261679730 cubed (13261679730³) is 2332360116927369830185396317000
• The square root of 13261679730 is 115159.3666620305
• The cube root of 13261679730 is 2367.0068340201

Scales and comparisons

• 13,261,679,730 seconds is equal to 421 years, 35 weeks, 2 days, 15 hours, 55 minutes, 30 seconds.
• To count from 1 to 13,261,679,730 would take you about eight hundred forty-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 13261679730 cubic inches would be around 197.3 feet tall.

Recreational maths with 13261679730

• 13261679730 backwards is 03797616231
• 13261679730 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13261679730's digits is 45
• More coming soon!