21361818777066848

Names of 21361818777066848

• Cardinal: 21361818777066848 can be written as Twenty-one quadrillion, three hundred sixty-one trillion, eight hundred eighteen billion, seven hundred seventy-seven million, sixty-six thousand, eight hundred forty-eight.

Scientific notation

• Scientific notation: 2.1361818777066848 × 10¹⁶

Factors of 21361818777066848

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 275

Divisors of 21361818777066848

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 8 16 29 32 47 58 94 116 188 197 232 376 394 464 752 788 841 928 1363 1504 1576 1682 2209 2726 3152 3364 4418 5452 5713 6304 6728 8836 9259 10904 11426 13456 17672 18518 21808 22852 26912 35344 37036 38809 39527 43616 45704 64061 70688 74072 77618 79054 91408 103823 128122 148144 155236 158108 165677 182816 207646 256244 268511 296288 310472 316216 331354 415292 435173 512488 537022 620944 632432 662708 830584 870346 1024976 1074044 1125461 1241888 1264864 1325416 1661168 1740692 1824023 1857769 2049952 2148088 2250922 2650832 3010867 3322336 3481384 3648046 3715538 4296176 4501844 5301664 6021734 6962768 7296092 7431076 7645373 7786819 8592352 9003688 12043468 12620017 13925536 14592184 14862152 15290746 15573638 18007376 20453131 24086936 25240034 29184368 29724304 30581492 31147276 32638369 36014752 40906262 48173872 50480068 52896667 58368736 59448608 61162984 62294552 65276738 81812524 85729081 87315143 96347744 100960136 105793334 122325968 124589104 130553476 163625048 171458162 174630286 201920272 211586668 221715817 244651936 249178208 261106952 327250096 342916324 349260572 359332531 365980493 403840544 423173336 443431634 522213904 593140799 654500192 685832648 698521144 718665062 731960986 846346672 886863268 1044427808 1186281598 1371665296 1397042288 1437330124 1463921972 1534003343 1692693344 1773726536 2372563196 2486143349 2743330592 2794084576 2874660248 2927843944 3068006686 3547453072 4029266807 4745126392 4972286698 5749320496 5855687888 6136013372 6429758693 7094906144 8058533614 9490252784 9944573396 10420643399 11498640992 11711375776 12272026744 12859517386 16117067228 16888628957 17201083171 18980505568 19889146792 20841286798 24544053488 25719034772 32234134456 33777257914 34402166342 39778293584 41682573596 49088106976 51438069544 64468268912 67554515828 68804332684 72098157121 79556587168 83365147192 102876139088 116848737403 128936537824 135109031656 137608665368 144196314242 166730294384 205752278176 233697474806 270218063312 275217330736 288392628484 302198658571 333460588768 467394949612 489770239753 540436126624 550434661472 576785256968 604397317142 793765560979 934789899224 979540479506 1153570513936 1208794634284 1587531121958 1869579798448 1959080959012 2307141027872 2417589268568 3175062243916 3388613384687 3739159596896 3918161918024 4835178537136 6350124487832 6777226769374 7836323836048 9670357074272 12700248975664 13554453538748 14203336952837 15672647672096 23019201268391 25400497951328 27108907077496 28406673905674 46038402536782 54217814154992 56813347811348 92076805073564 108435628309984 113626695622696 184153610147128 227253391245392 368307220294256 454506782490784 667556836783339 736614440588512 1335113673566678 2670227347133356 5340454694266712 10680909388533424 21361818777066848
• Sum of all divisors σ(n): 44730221475139200
• Sum of proper divisors (its aliquot sum) s(n): 23368402698072352
• 21361818777066848 is an abundant number, because the sum of its proper divisors (23368402698072352) is greater than itself. Its abundance is 2006583921005504

Bases of 21361818777066848

• Binary: 1001011111001000111011000000011111101101001110101100000₂
• Hexadecimal: 0x4BE47603F69D60
• Base-36: 5UC4S2I1RVK

Squares and roots of 21361818777066848

• 21361818777066848 squared (21361818777066848²) is 456327301464245765452214260655104
• 21361818777066848 cubed (21361818777066848³) is 9747981116907169354028130390418322566984080392192
• The square root of 21361818777066848 is 146156829.3890738723
• The cube root of 21361818777066848 is 277467.8967361271

Scales and comparisons

• 21,361,818,777,066,848 seconds is equal to 679,239,760 years, 34 weeks, 4 days, 17 hours, 14 minutes, 8 seconds.
• To count from 1 to 21,361,818,777,066,848 would take you about two billion, thirty-seven million, seven hundred nineteen thousand, two hundred eighty-two 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 21361818777066848 cubic inches would be around 23122.3 feet tall.

Recreational maths with 21361818777066848

• 21361818777066848 backwards is 84866077781816312
• The number of decimal digits it has is: 17
• The sum of 21361818777066848's digits is 83
• More coming soon!