21241610240

Names of 21241610240

• Cardinal: 21241610240 can be written as Twenty-one billion, two hundred forty-one million, six hundred ten thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.124161024 × 10¹⁰

Factors of 21241610240

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 1509

Divisors of 21241610240

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 199 256 320 398 512 640 796 995 1024 1280 1303 1592 1990 2048 2560 2606 3184 3980 4096 5120 5212 6368 6515 7960 8192 10240 10424 12736 13030 15920 16384 20480 20848 25472 26060 31840 40960 41696 50944 52120 63680 81920 83392 101888 104240 127360 166784 203776 208480 254720 259297 333568 407552 416960 509440 518594 667136 815104 833920 1018880 1037188 1296485 1334272 1630208 1667840 2037760 2074376 2592970 2668544 3260416 3335680 4075520 4148752 5185940 5337088 6671360 8151040 8297504 10371880 10674176 13342720 16302080 16595008 20743760 21348352 26685440 33190016 41487520 53370880 66380032 82975040 106741760 132760064 165950080 265520128 331900160 531040256 663800320 1062080512 1327600640 2124161024 2655201280 4248322048 5310402560 10620805120 21241610240
• Sum of all divisors σ(n): 51273801600
• Sum of proper divisors (its aliquot sum) s(n): 30032191360
• 21241610240 is an abundant number, because the sum of its proper divisors (30032191360) is greater than itself. Its abundance is 8790581120

Bases of 21241610240

• Binary: 10011110010000110010100000000000000₂
• Hexadecimal: 0x4F2194000
• Base-36: 9RAPFCW

Squares and roots of 21241610240

• 21241610240 squared (21241610240²) is 451206005588072857600
• 21241610240 cubed (21241610240³) is 9584342108649105633862221824000
• The square root of 21241610240 is 145745.0178908357
• The cube root of 21241610240 is 2769.4645595843

Scales and comparisons

• 21,241,610,240 seconds is equal to 675 years, 21 weeks, 4 days, 23 hours, 17 minutes, 20 seconds.
• To count from 1 to 21,241,610,240 would take you about one thousand, three hundred fifty 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 21241610240 cubic inches would be around 230.8 feet tall.

Recreational maths with 21241610240

• 21241610240 backwards is 04201614212
• The number of decimal digits it has is: 11
• The sum of 21241610240's digits is 23
• More coming soon!