21228246736560

Names of 21228246736560

• Cardinal: 21228246736560 can be written as Twenty-one trillion, two hundred twenty-eight billion, two hundred forty-six million, seven hundred thirty-six thousand, five hundred sixty.

Scientific notation

• Scientific notation: 2.122824673656 × 10¹³

Factors of 21228246736560

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 29483676033

Divisors of 21228246736560

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 29483676023 58967352046 88451028069 117934704092 147418380115 176902056138 235869408184 265353084207 294836760230 353804112276 442255140345 471738816368 530706168414 589673520460 707608224552 884510280690 1061412336828 1179347040920 1326765421035 1415216449104 1769020561380 2122824673656 2358694081840 2653530842070 3538041122760 4245649347312 5307061684140 7076082245520 10614123368280 21228246736560
• Sum of all divisors σ(n): 71291528626032
• Sum of proper divisors (its aliquot sum) s(n): 50063281889472
• 21228246736560 is an abundant number, because the sum of its proper divisors (50063281889472) is greater than itself. Its abundance is 28835035152912

Bases of 21228246736560

• Binary: 100110100111010010110000110110001111010110000₂
• Hexadecimal: 0x134E961B1EB0
• Base-36: 7IW4E0CS0

Squares and roots of 21228246736560

• 21228246736560 squared (21228246736560²) is 450638459508270290040633600
• 21228246736560 cubed (21228246736560³) is 9566264407424864486885484888994684416000
• The square root of 21228246736560 is 4607412.1518006179
• The cube root of 21228246736560 is 27688.8366336791

Scales and comparisons

• 21,228,246,736,560 seconds is equal to 674,992 years, 30 weeks, 2 days, 4 hours, 36 minutes.
• To count from 1 to 21,228,246,736,560 would take you about one million, six hundred eighty-seven thousand, four hundred eighty-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 21228246736560 cubic inches would be around 2307.4 feet tall.

Recreational maths with 21228246736560

• 21228246736560 backwards is 06563764282212
• The number of decimal digits it has is: 14
• The sum of 21228246736560's digits is 54
• More coming soon!