21409711321002516

Names of 21409711321002516

• Cardinal: 21409711321002516 can be written as Twenty-one quadrillion, four hundred nine trillion, seven hundred eleven billion, three hundred twenty-one million, two thousand, five hundred sixteen.

Scientific notation

• Scientific notation: 2.1409711321002516 × 10¹⁶

Factors of 21409711321002516

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 594714203361186

Divisors of 21409711321002516

• Number of divisors d(n): 18
• Complete list of divisors:
  1 2 3 4 6 9 12 18 36 594714203361181 1189428406722362 1784142610083543 2378856813444724 3568285220167086 5352427830250629 7136570440334172 10704855660501258 21409711321002516
• Sum of all divisors σ(n): 54118992505867562
• Sum of proper divisors (its aliquot sum) s(n): 32709281184865046
• 21409711321002516 is an abundant number, because the sum of its proper divisors (32709281184865046) is greater than itself. Its abundance is 11299569863862530

Bases of 21409711321002516

• Binary: 1001100000100000000010011011110000010000011001000010100₂
• Hexadecimal: 0x4C1004DE083214
• Base-36: 5UT3XLM5R10

Squares and roots of 21409711321002516

• 21409711321002516 squared (21409711321002516²) is 458375738848663298708367278330256
• 21409711321002516 cubed (21409711321002516³) is 9813692245301119405432678833152790112100454924096
• The square root of 21409711321002516 is 146320577.2302806219
• The cube root of 21409711321002516 is 277675.1001428843

Scales and comparisons

• 21,409,711,321,002,516 seconds is equal to 680,762,595 years, 21 weeks, 6 days, 19 hours, 48 minutes, 36 seconds.
• To count from 1 to 21,409,711,321,002,516 would take you about two billion, forty-two million, two hundred eighty-seven thousand, seven hundred eighty-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 21409711321002516 cubic inches would be around 23139.6 feet tall.

Recreational maths with 21409711321002516

• 21409711321002516 backwards is 61520012311790412
• The number of decimal digits it has is: 17
• The sum of 21409711321002516's digits is 45
• More coming soon!