21229663398203808

Names of 21229663398203808

• Cardinal: 21229663398203808 can be written as Twenty-one quadrillion, two hundred twenty-nine trillion, six hundred sixty-three billion, three hundred ninety-eight million, two hundred three thousand, eight hundred eight.

Scientific notation

• Scientific notation: 2.1229663398203808 × 10¹⁶

Factors of 21229663398203808

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 34
• Sum of prime factors: 34

Divisors of 21229663398203808

• Number of divisors d(n): 348
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 29 32 36 48 54 58 72 81 87 96 108 116 144 162 174 216 232 243 261 288 324 348 432 464 486 522 648 696 729 783 864 928 972 1044 1296 1392 1458 1566 1944 2088 2187 2349 2592 2784 2916 3132 3888 4176 4374 4698 5832 6264 6561 7047 7776 8352 8748 9396 11664 12528 13122 14094 17496 18792 19683 21141 23328 25056 26244 28188 34992 37584 39366 42282 52488 56376 59049 63423 69984 75168 78732 84564 104976 112752 118098 126846 157464 169128 177147 190269 209952 225504 236196 253692 314928 338256 354294 380538 472392 507384 531441 570807 629856 676512 708588 761076 944784 1014768 1062882 1141614 1417176 1522152 1594323 1712421 1889568 2029536 2125764 2283228 2834352 3044304 3188646 3424842 4251528 4566456 4782969 5137263 5668704 6088608 6377292 6849684 8503056 9132912 9565938 10274526 12754584 13699368 14348907 15411789 17006112 18265824 19131876 20549052 25509168 27398736 28697814 30823578 38263752 41098104 43046721 46235367 51018336 54797472 57395628 61647156 76527504 82196208 86093442 92470734 114791256 123294312 129140163 138706101 153055008 164392416 172186884 184941468 229582512 246588624 258280326 277412202 344373768 369882936 387420489 416118303 459165024 493177248 516560652 554824404 688747536 739765872 774840978 832236606 1033121304 1109648808 1162261467 1248354909 1377495072 1479531744 1549681956 1664473212 2066242608 2219297616 2324522934 2496709818 3099363912 3328946424 3486784401 3745064727 4132485216 4438595232 4649045868 4993419636 6198727824 6657892848 6973568802 7490129454 9298091736 9986839272 10460353203 11235194181 12397455648 13315785696 13947137604 14980258908 18596183472 19973678544 20920706406 22470388362 27894275208 29960517816 31381059609 33705582543 37192366944 39947357088 41841412812 44940776724 55788550416 59921035632 62762119218 67411165086 83682825624 89881553448 94143178827 101116747629 111577100832 119842071264 125524238436 134822330172 167365651248 179763106896 188286357654 202233495258 251048476872 269644660344 282429536481 303350242887 334731302496 359526213792 376572715308 404466990516 502096953744 539289320688 564859072962 606700485774 753145430616 808933981032 847288609443 910050728661 1004193907488 1078578641376 1129718145924 1213400971548 1506290861232 1617867962064 1694577218886 1820101457322 2259436291848 2426801943096 2541865828329 2730152185983 3012581722464 3235735924128 3389154437772 3640202914644 4518872583696 4853603886192 5083731656658 5460304371966 6778308875544 7280405829288 7625597484987 8190456557949 9037745167392 9707207772384 10167463313316 10920608743932 13556617751088 14560811658576 15251194969974 16380913115898 20334926626632 21841217487864 22876792454961 24571369673847 27113235502176 29121623317152 30502389939948 32761826231796 40669853253264 43682434975728 45753584909922 49142739347694 61004779879896 65523652463592 73714109021541 81339706506528 87364869951456 91507169819844 98285478695388 122009559759792 131047304927184 147428218043082 183014339639688 196570957390776 221142327064623 244019119519584 262094609854368 294856436086164 366028679279376 393141914781552 442284654129246 589712872172328 663426981193869 732057358558752 786283829563104 884569308258492 1179425744344656 1326853962387738 1769138616516984 2358851488689312 2653707924775476 3538277233033968 5307415849550952 7076554466067936 10614831699101904 21229663398203808
• Sum of all divisors σ(n): 64855706609813490
• Sum of proper divisors (its aliquot sum) s(n): 43626043211609682
• 21229663398203808 is an abundant number, because the sum of its proper divisors (43626043211609682) is greater than itself. Its abundance is 22396379813405874

Bases of 21229663398203808

• Binary: 1001011011011000100010000110001100011010001000110100000₂
• Hexadecimal: 0x4B6C44318D11A0
• Base-36: 5T1ACQ5MI00

Squares and roots of 21229663398203808

• 21229663398203808 squared (21229663398203808²) is 450698608001034456879680705700864
• 21229663398203808 cubed (21229663398203808³) is 9568179741900967137254841598332176363043353690112
• The square root of 21229663398203808 is 145704026.7055231661
• The cube root of 21229663398203808 is 276894.5255580039

Scales and comparisons

• 21,229,663,398,203,808 seconds is equal to 675,037,628 years, 20 weeks, 6 days, 11 hours, 16 minutes, 48 seconds.
• To count from 1 to 21,229,663,398,203,808 would take you about two billion, twenty-five million, one hundred twelve thousand, eight hundred eighty-five 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 21229663398203808 cubic inches would be around 23074.5 feet tall.

Recreational maths with 21229663398203808

• 21229663398203808 backwards is 80830289336692212
• 21229663398203808 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21229663398203808's digits is 72
• More coming soon!