21142424625

Names of 21142424625

• Cardinal: 21142424625 can be written as Twenty-one billion, one hundred forty-two million, four hundred twenty-four thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 2.1142424625 × 10¹⁰

Factors of 21142424625

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 262

Divisors of 21142424625

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 7 15 21 25 29 35 61 75 87 105 125 145 157 175 183 203 305 375 427 435 471 525 609 725 785 841 875 915 1015 1099 1281 1525 1769 2135 2175 2355 2523 2625 3045 3297 3625 3925 4205 4553 4575 5075 5307 5495 5887 6405 7625 8845 9577 10675 10875 11775 12383 12615 13659 15225 16485 17661 19625 21025 22765 22875 25375 26535 27475 28731 29435 31871 32025 37149 44225 47885 51301 53375 58875 61915 63075 67039 68295 76125 82425 88305 95613 105125 113825 132037 132675 137375 143655 147175 153903 159355 160125 185745 201117 221125 239425 256505 277733 309575 315375 335195 341475 359107 396111 412125 441525 478065 569125 660185 663375 718275 735875 769515 796775 833199 924259 928725 1005585 1077321 1197125 1282525 1388665 1547875 1675975 1707375 1795535 1944131 1980555 2207625 2390325 2772777 3300925 3591375 3847575 3983875 4165995 4621295 4643625 5027925 5386605 5832393 6412625 6943325 8054257 8379875 8977675 9720655 9902775 11951625 13863885 16504625 19237875 20829975 23106475 24162771 25139625 26933025 29161965 34716625 40271285 44888375 48603275 49513875 56379799 69319425 104149875 115532375 120813855 134665125 145809825 169139397 201356425 243016375 281898995 346597125 604069275 729049125 845696985 1006782125 1409494975 3020346375 4228484925 7047474875 21142424625
• Sum of all divisors σ(n): 42593321472
• Sum of proper divisors (its aliquot sum) s(n): 21450896847
• 21142424625 is an abundant number, because the sum of its proper divisors (21450896847) is greater than itself. Its abundance is 308472222

Bases of 21142424625

• Binary: 10011101100001011111100110000110001₂
• Hexadecimal: 0x4EC2FCC31
• Base-36: 9PNNJ8X

Squares and roots of 21142424625

• 21142424625 squared (21142424625²) is 447002119023806390625
• 21142424625 cubed (21142424625³) is 9450708608676105194382369140625
• The square root of 21142424625 is 145404.3487141977
• The cube root of 21142424625 is 2765.1472518309

Scales and comparisons

• 21,142,424,625 seconds is equal to 672 years, 13 weeks, 4 days, 23 hours, 43 minutes, 45 seconds.
• To count from 1 to 21,142,424,625 would take you about one thousand, three hundred forty-four 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 21142424625 cubic inches would be around 230.4 feet tall.

Recreational maths with 21142424625

• 21142424625 backwards is 52642424112
• The number of decimal digits it has is: 11
• The sum of 21142424625's digits is 33
• More coming soon!