21240309479424

Names of 21240309479424

• Cardinal: 21240309479424 can be written as Twenty-one trillion, two hundred forty billion, three hundred nine million, four hundred seventy-nine thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 2.1240309479424 × 10¹³

Factors of 21240309479424

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 3444

Divisors of 21240309479424

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 43 48 56 64 84 86 96 112 128 129 168 172 192 224 256 258 301 336 344 384 448 512 516 602 672 688 768 896 903 1024 1032 1204 1344 1376 1536 1792 1806 2048 2064 2408 2688 2752 3072 3389 3584 3612 4128 4816 5376 5504 6144 6778 7168 7224 8256 9632 10167 10752 11008 13556 14336 14448 16512 19264 20334 21504 22016 23723 27112 28896 33024 38528 40668 43008 44032 47446 54224 57792 66048 71169 77056 81336 88064 94892 108448 115584 132096 142338 145727 154112 162672 189784 216896 231168 264192 284676 291454 308224 325344 379568 433792 437181 462336 569352 582908 616448 650688 759136 867584 874362 924672 1020089 1138704 1165816 1301376 1518272 1735168 1748724 1849344 2040178 2277408 2331632 2602752 3036544 3060267 3470336 3497448 4080356 4554816 4663264 5205504 6073088 6120534 6940672 6994896 8160712 9109632 9326528 10411008 11485321 12146176 12241068 13989792 16321424 18219264 18653056 20822016 22970642 24292352 24482136 27979584 32642848 34455963 36438528 37306112 45941284 48584704 48964272 55959168 65285696 68911926 72877056 74612224 80397247 91882568 97928544 111918336 130571392 137823852 145754112 149224448 160794494 183765136 195857088 223836672 241191741 261142784 275647704 298448896 321588988 367530272 391714176 447673344 482383482 493868803 522285568 551295408 643177976 735060544 783428352 895346688 964766964 987737606 1044571136 1102590816 1286355952 1470121088 1481606409 1566856704 1929533928 1975475212 2089142272 2205181632 2572711904 2940242176 2963212818 3133713408 3457081621 3859067856 3950950424 4410363264 5145423808 5880484352 5926425636 6267426816 6914163242 7718135712 7901900848 8820726528 10290847616 10371244863 11760968704 11852851272 13828326484 15436271424 15803801696 17641453056 20581695232 20742489726 23521937408 23705702544 27656652968 30872542848 31607603392 35282906112 41163390464 41484979452 47411405088 55313305936 61745085696 63215206784 70565812224 82326780928 82969958904 94822810176 110626611872 123490171392 126430413568 164653561856 165939917808 189645620352 221253223744 246980342784 252860827136 331879835616 379291240704 442506447488 493960685568 505721654272 663759671232 758582481408 885012894976 1011443308544 1327519342464 1517164962816 1770025789952 2655038684928 3034329925632 3540051579904 5310077369856 7080103159808 10620154739712 21240309479424
• Sum of all divisors σ(n): 66241150335360
• Sum of proper divisors (its aliquot sum) s(n): 45000840855936
• 21240309479424 is an abundant number, because the sum of its proper divisors (45000840855936) is greater than itself. Its abundance is 23760531376512

Bases of 21240309479424

• Binary: 100110101000101100101000110011111100000000000₂
• Hexadecimal: 0x13516519F800
• Base-36: 7J1NVUSQO

Squares and roots of 21240309479424

• 21240309479424 squared (21240309479424²) is 451150746781709033879371776
• 21240309479424 cubed (21240309479424³) is 9582581483516751052763397106702718337024
• The square root of 21240309479424 is 4608721.0242565127
• The cube root of 21240309479424 is 27694.0802771435

Scales and comparisons

• 21,240,309,479,424 seconds is equal to 675,376 years, 7 weeks, 2 days, 6 hours, 30 minutes, 24 seconds.
• To count from 1 to 21,240,309,479,424 would take you about one million, six hundred eighty-eight thousand, four 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 21240309479424 cubic inches would be around 2307.8 feet tall.

Recreational maths with 21240309479424

• 21240309479424 backwards is 42497490304212
• The number of decimal digits it has is: 14
• The sum of 21240309479424's digits is 51
• More coming soon!