21397962649260

Names of 21397962649260

• Cardinal: 21397962649260 can be written as Twenty-one trillion, three hundred ninety-seven billion, nine hundred sixty-two million, six hundred forty-nine thousand, two hundred sixty.

Scientific notation

• Scientific notation: 2.139796264926 × 10¹³

Factors of 21397962649260

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1828420

Divisors of 21397962649260

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 60 222007 444014 666021 888028 1110035 1332042 1606403 2220070 2664084 3212806 3330105 4440140 4819209 6425612 6660210 8032015 9638418 13320420 16064030 19276836 24096045 32128060 48192090 96384180 356632710821 713265421642 1069898132463 1426530843284 1783163554105 2139796264926 3566327108210 4279592529852 5349490662315 7132654216420 10698981324630 21397962649260
• Sum of all divisors σ(n): 59914602590976
• Sum of proper divisors (its aliquot sum) s(n): 38516639941716
• 21397962649260 is an abundant number, because the sum of its proper divisors (38516639941716) is greater than itself. Its abundance is 17118677292456

Bases of 21397962649260

• Binary: 100110111011000011001111101100110111010101100₂
• Hexadecimal: 0x137619F66EAC
• Base-36: 7L236HD4C

Squares and roots of 21397962649260

• 21397962649260 squared (21397962649260²) is 457872805539126037778547600
• 21397962649260 cubed (21397962649260³) is 9797545191038106193928897248091014776000
• The square root of 21397962649260 is 4625793.1913629689
• The cube root of 21397962649260 is 27762.4299045009

Scales and comparisons

• 21,397,962,649,260 seconds is equal to 680,389 years, 1 week, 1 day, 17 hours, 41 minutes.
• To count from 1 to 21,397,962,649,260 would take you about one million, seven hundred thousand, nine hundred seventy-two 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 21397962649260 cubic inches would be around 2313.5 feet tall.

Recreational maths with 21397962649260

• 21397962649260 backwards is 06294626979312
• The number of decimal digits it has is: 14
• The sum of 21397962649260's digits is 66
• More coming soon!