66721464385056

Names of 66721464385056

• Cardinal: 66721464385056 can be written as Sixty-six trillion, seven hundred twenty-one billion, four hundred sixty-four million, three hundred eighty-five thousand and fifty-six.

Scientific notation

• Scientific notation: 6.6721464385056 × 10¹³

Factors of 66721464385056

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 405028

Divisors of 66721464385056

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 72 78 96 104 117 144 156 208 234 288 312 416 468 624 936 1248 1872 3744 50231 100462 150693 200924 301386 354779 401848 452079 602772 653003 709558 803696 904158 1064337 1205544 1306006 1419116 1607392 1808316 1959009 2128674 2411088 2612012 2838232 3193011 3616632 3918018 4257348 4612127 4822176 5224024 5676464 5877027 6386022 7233264 7836036 8514696 9224254 10448048 11352928 11754054 12772044 13836381 14466528 15672072 17029392 18448508 20896096 23508108 25544088 27672762 31344144 34058784 36897016 41509143 47016216 51088176 55345524 62688288 73794032 83018286 94032432 102176352 110691048 147588064 166036572 188064864 221382096 332073144 442764192 664146288 1328292576 17820903949 35641807898 53462711847 71283615796 106925423694 142567231592 160388135541 213850847388 231671751337 285134463184 320776271082 427701694776 463343502674 570268926368 641552542164 695015254011 855403389552 926687005348 1283105084328 1390030508022 1710806779104 1853374010696 2085045762033 2566210168656 2780061016044 3706748021392 4170091524066 5132420337312 5560122032088 7413496042784 8340183048132 11120244064176 16680366096264 22240488128352 33360732192528 66721464385056
• Sum of all divisors σ(n): 204339128535360
• Sum of proper divisors (its aliquot sum) s(n): 137617664150304
• 66721464385056 is an abundant number, because the sum of its proper divisors (137617664150304) is greater than itself. Its abundance is 70896199765248

Bases of 66721464385056

• Binary: 1111001010111011001101001011101111111000100000₂
• Hexadecimal: 0x3CAECD2EFE20
• Base-36: NNFF17480

Squares and roots of 66721464385056

• 66721464385056 squared (66721464385056²) is 4451753809686296232236123136
• 66721464385056 cubed (66721464385056³) is 297027533264021580295044611318103734255616
• The square root of 66721464385056 is 8168320.7812289057
• The cube root of 66721464385056 is 40559.1199543541

Scales and comparisons

• 66,721,464,385,056 seconds is equal to 2,121,536 years, 9 weeks, 4 days, 2 hours, 57 minutes, 36 seconds.
• To count from 1 to 66,721,464,385,056 would take you about five million, three hundred three thousand, eight hundred forty 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 66721464385056 cubic inches would be around 3379.9 feet tall.

Recreational maths with 66721464385056

• 66721464385056 backwards is 65058346412766
• The number of decimal digits it has is: 14
• The sum of 66721464385056's digits is 63
• More coming soon!