21688921032102

Names of 21688921032102

• Cardinal: 21688921032102 can be written as Twenty-one trillion, six hundred eighty-eight billion, nine hundred twenty-one million, thirty-two thousand, one hundred two.

Scientific notation

• Scientific notation: 2.1688921032102 × 10¹³

Factors of 21688921032102

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 20801442

Divisors of 21688921032102

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 18 53 106 159 318 477 954 1093 2186 3279 6558 9837 19674 57929 115858 173787 347574 521361 1042722 20800291 41600582 62400873 124801746 187202619 374405238 1102415423 2204830846 3307246269 6614492538 9921738807 19843477614 22734718063 45469436126 68204154189 136408308378 204612462567 409224925134 1204940057339 2409880114678 3614820172017 7229640344034 10844460516051 21688921032102
• Sum of all divisors σ(n): 47923123957488
• Sum of proper divisors (its aliquot sum) s(n): 26234202925386
• 21688921032102 is an abundant number, because the sum of its proper divisors (26234202925386) is greater than itself. Its abundance is 4545281893284

Bases of 21688921032102

• Binary: 100111011100111011000011011110000010110100110₂
• Hexadecimal: 0x13B9D86F05A6
• Base-36: 7ORR3LA5I

Squares and roots of 21688921032102

• 21688921032102 squared (21688921032102²) is 470409295536756484914538404
• 21688921032102 cubed (21688921032102³) is 10202670063663443202870071874548595845208
• The square root of 21688921032102 is 4657136.5700505283
• The cube root of 21688921032102 is 27887.6968712067

Scales and comparisons

• 21,688,921,032,102 seconds is equal to 689,640 years, 31 weeks, 1 day, 14 hours, 41 minutes, 42 seconds.
• To count from 1 to 21,688,921,032,102 would take you about one million, seven hundred twenty-four thousand, one hundred one 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 21688921032102 cubic inches would be around 2324 feet tall.

Recreational maths with 21688921032102

• 21688921032102 backwards is 20123012988612
• The number of decimal digits it has is: 14
• The sum of 21688921032102's digits is 45
• More coming soon!