21222873180

Names of 21222873180

• Cardinal: 21222873180 can be written as Twenty-one billion, two hundred twenty-two million, eight hundred seventy-three thousand, one hundred eighty.

Scientific notation

• Scientific notation: 2.122287318 × 10¹⁰

Factors of 21222873180

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 13100549

Divisors of 21222873180

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 270 324 405 540 810 1620 13100539 26201078 39301617 52402156 65502695 78603234 117904851 131005390 157206468 196508085 235809702 262010780 353714553 393016170 471619404 589524255 707429106 786032340 1061143659 1179048510 1414858212 1768572765 2122287318 2358097020 3537145530 4244574636 5305718295 7074291060 10611436590 21222873180
• Sum of all divisors σ(n): 66576944280
• Sum of proper divisors (its aliquot sum) s(n): 45354071100
• 21222873180 is an abundant number, because the sum of its proper divisors (45354071100) is greater than itself. Its abundance is 24131197920

Bases of 21222873180

• Binary: 10011110000111110110101100001011100₂
• Hexadecimal: 0x4F0FB585C
• Base-36: 9QZJTR0

Squares and roots of 21222873180

• 21222873180 squared (21222873180²) is 450410346014363312400
• 21222873180 cubed (21222873180³) is 9559001652422751037509921432000
• The square root of 21222873180 is 145680.7234331297
• The cube root of 21222873180 is 2768.6500122839

Scales and comparisons

• 21,222,873,180 seconds is equal to 674 years, 42 weeks, 5 days, 2 hours, 33 minutes.
• To count from 1 to 21,222,873,180 would take you about one thousand, three hundred forty-nine 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 21222873180 cubic inches would be around 230.7 feet tall.

Recreational maths with 21222873180

• 21222873180 backwards is 08137822212
• 21222873180 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21222873180's digits is 36
• More coming soon!