20521428722571328

Names of 20521428722571328

• Cardinal: 20521428722571328 can be written as Twenty quadrillion, five hundred twenty-one trillion, four hundred twenty-eight billion, seven hundred twenty-two million, five hundred seventy-one thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 2.0521428722571328 × 10¹⁶

Factors of 20521428722571328

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 267

Divisors of 20521428722571328

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 8 16 32 37 61 64 74 122 148 167 244 296 334 488 592 668 976 1184 1336 1369 1952 2257 2368 2672 2738 3721 3904 4514 5344 5476 6179 7442 9028 10187 10688 10952 12358 14884 18056 20374 21904 24716 27889 29768 36112 40748 43808 49432 50653 55778 59536 72224 81496 83509 87616 98864 101306 111556 119072 137677 144448 162992 167018 197728 202612 223112 226981 228623 238144 275354 325984 334036 376919 395456 405224 446224 453962 457246 550708 621407 651968 668072 753838 810448 892448 907924 914492 1031893 1101416 1242814 1336144 1507676 1620896 1701229 1784896 1815848 1828984 2063786 2202832 2485628 2672288 3015352 3089833 3241792 3402458 3631696 3657968 4127572 4405664 4971256 5094049 5344576 6030704 6179666 6804916 7263392 7315936 8255144 8398297 8459051 8811328 9942512 10188098 12061408 12359332 13609832 13946003 14526784 14631872 16510288 16796594 16918102 19885024 20376196 22992059 24122816 24718664 27219664 27892006 33020576 33593188 33836204 37905827 38180041 39770048 40752392 45984118 49437328 54439328 55784012 62945473 66041152 67186376 67672408 75811654 76360082 81504784 91968236 98874656 103774969 108878656 111568024 125890946 134372752 135344816 151623308 152720164 163009568 183936472 188479813 197749312 207549938 223136048 251781892 268745504 270689632 303246616 305440328 310736989 326019136 367872944 376959626 415099876 446272096 503563784 516002111 537491008 541379264 606493232 610880656 621473978 735745888 753919252 830199752 850706183 892544192 1007127568 1032004222 1212986464 1221761312 1242947956 1402515599 1412661517 1471491776 1507838504 1660399504 1701412366 2014255136 2064008444 2328982501 2425972928 2443522624 2485895912 2805031198 2825323034 3015677008 3320799008 3402824732 3839673853 4028510272 4128016888 4657965002 4971791824 5610062396 5650646068 6031354016 6330273109 6641598016 6805649464 7679347706 8256033776 9315930004 9943583648 11220124792 11301292136 11497268593 12062708032 12660546218 13611298928 15358695412 16512067552 18631860008 19887167296 22440249584 22602584272 22994537186 25321092436 27222597856 30717390824 31476128771 33024135104 37263720016 44880499168 45205168544 45989074372 50642184872 51893077163 54445195712 61434781648 62952257542 74527440032 86172352537 89760998336 90410337088 91978148744 101284369744 103786154326 122869563296 125904515084 142067932561 149054880064 172344705074 183956297488 202568739488 207572308652 234220105033 245739126592 251809030168 284135865122 344689410148 367912594976 405137478976 415144617304 468440210066 503618060336 568271730244 689378820296 735825189952 830289234608 936880420132 1007236120672 1136543460488 1378757640592 1660578469216 1873760840264 1920043855031 2014472241344 2273086920976 2757515281184 3321156938432 3747521680528 3840087710062 4546173841952 5256513504757 5515030562368 7495043361056 7680175420124 8666143886221 9092347683904 10513027009514 14990086722112 15360350840248 17332287772442 21026054019028 30720701680496 34664575544884 42052108038056 61441403360992 69329151089768 84104216076112 122882806721984 138658302179536 168208432152224 277316604359072 320647323790177 336416864304448 554633208718144 641294647580354 1282589295160708 2565178590321416 5130357180642832 10260714361285664 20521428722571328
• Sum of all divisors σ(n): 42807234836067760
• Sum of proper divisors (its aliquot sum) s(n): 22285806113496432
• 20521428722571328 is an abundant number, because the sum of its proper divisors (22285806113496432) is greater than itself. Its abundance is 1764377390925104

Bases of 20521428722571328

• Binary: 1001000111010000010000101110101010010101101100001000000₂
• Hexadecimal: 0x48E821754AD840
• Base-36: 5M28M7HTWSG

Squares and roots of 20521428722571328

• 20521428722571328 squared (20521428722571328²) is 421129036815575486942092047683584
• 20521428722571328 cubed (20521428722571328³) is 8642169512015949025038352809905345830918614679552
• The square root of 20521428722571328 is 143253023.4325660855
• The cube root of 20521428722571328 is 273780.5118958221

Scales and comparisons

• 20,521,428,722,571,328 seconds is equal to 652,517,956 years, 22 weeks, 2 days, 20 hours, 55 minutes, 28 seconds.
• To count from 1 to 20,521,428,722,571,328 would take you about one billion, nine hundred fifty-seven million, five hundred fifty-three thousand, eight hundred sixty-nine 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 20521428722571328 cubic inches would be around 22815 feet tall.

Recreational maths with 20521428722571328

• 20521428722571328 backwards is 82317522782412502
• 20521428722571328 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 20521428722571328's digits is 61
• More coming soon!