21648493037406090

Names of 21648493037406090

• Cardinal: 21648493037406090 can be written as Twenty-one quadrillion, six hundred forty-eight trillion, four hundred ninety-three billion, thirty-seven million, four hundred six thousand and ninety.

Scientific notation

• Scientific notation: 2.164849303740609 × 10¹⁶

Factors of 21648493037406090

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 5558703

Divisors of 21648493037406090

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 15 30 277 554 831 1385 1662 2770 4155 8310 516713 1033426 1550139 2583565 3100278 5041703 5167130 7750695 10083406 15125109 15501390 25208515 30250218 50417030 75625545 143129501 151251090 286259002 429388503 715647505 858777006 1396551731 1431295010 2146942515 2793103462 4189655193 4293885030 6982758655 8379310386 13965517310 20948275965 41896551930 2605113482239 5210226964478 7815340446717 13025567411195 15630680893434 26051134822390 39076702233585 78153404467170 721616434580203 1443232869160406 2164849303740609 3608082172901015 4329698607481218 7216164345802030 10824246518703045 21648493037406090
• Sum of all divisors σ(n): 52144062717770496
• Sum of proper divisors (its aliquot sum) s(n): 30495569680364406
• 21648493037406090 is an abundant number, because the sum of its proper divisors (30495569680364406) is greater than itself. Its abundance is 8847076642958316

Bases of 21648493037406090

• Binary: 1001100111010010011000010010001011010101100011110001010₂
• Hexadecimal: 0x4CE930916AC78A
• Base-36: 5X5R0EMY0ZU

Squares and roots of 21648493037406090

• 21648493037406090 squared (21648493037406090²) is 468657250790619956443955569088100
• 21648493037406090 cubed (21648493037406090³) is 10145723230670615894963778276253431206610686529000
• The square root of 21648493037406090 is 147134268.7391556991
• The cube root of 21648493037406090 is 278703.5860433309

Scales and comparisons

• 21,648,493,037,406,090 seconds is equal to 688,355,115 years, 21 weeks, 21 minutes, 30 seconds.
• To count from 1 to 21,648,493,037,406,090 would take you about two billion, sixty-five million, sixty-five thousand, three hundred forty-six 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 21648493037406090 cubic inches would be around 23225.3 feet tall.

Recreational maths with 21648493037406090

• 21648493037406090 backwards is 09060473039484612
• The number of decimal digits it has is: 17
• The sum of 21648493037406090's digits is 66
• More coming soon!