21434248512

Names of 21434248512

• Cardinal: 21434248512 can be written as Twenty-one billion, four hundred thirty-four million, two hundred forty-eight thousand, five hundred twelve.

Scientific notation

• Scientific notation: 2.1434248512 × 10¹⁰

Factors of 21434248512

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1378236

Divisors of 21434248512

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 144 162 192 216 243 288 324 432 486 576 648 864 972 1296 1728 1944 2592 3888 5184 7776 15552 1378231 2756462 4134693 5512924 8269386 11025848 12404079 16538772 22051696 24808158 33077544 37212237 44103392 49616316 66155088 74424474 88206784 99232632 111636711 132310176 148848948 198465264 223273422 264620352 297697896 334910133 396930528 446546844 595395792 669820266 793861056 893093688 1190791584 1339640532 1786187376 2381583168 2679281064 3572374752 5358562128 7144749504 10717124256 21434248512
• Sum of all divisors σ(n): 63712908896
• Sum of proper divisors (its aliquot sum) s(n): 42278660384
• 21434248512 is an abundant number, because the sum of its proper divisors (42278660384) is greater than itself. Its abundance is 20844411872

Bases of 21434248512

• Binary: 10011111101100101001010110101000000₂
• Hexadecimal: 0x4FD94AD40
• Base-36: 9UHEC00

Squares and roots of 21434248512

• 21434248512 squared (21434248512²) is 459427009274174214144
• 21434248512 cubed (21434248512³) is 9847472689907578849544801353728
• The square root of 21434248512 is 146404.4005895997
• The cube root of 21434248512 is 2777.8113871635

Scales and comparisons

• 21,434,248,512 seconds is equal to 681 years, 28 weeks, 1 day, 13 hours, 55 minutes, 12 seconds.
• To count from 1 to 21,434,248,512 would take you about one thousand, three hundred sixty-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 21434248512 cubic inches would be around 231.5 feet tall.

Recreational maths with 21434248512

• 21434248512 backwards is 21584243412
• 21434248512 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21434248512's digits is 36
• More coming soon!