21351072075520

Names of 21351072075520

• Cardinal: 21351072075520 can be written as Twenty-one trillion, three hundred fifty-one billion, seventy-two million, seventy-five thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.135107207552 × 10¹³

Factors of 21351072075520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 3703

Divisors of 21351072075520

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 121 127 128 160 176 220 242 254 256 320 337 352 440 484 508 605 635 640 674 704 880 968 1016 1210 1270 1280 1348 1397 1408 1685 1760 1936 2032 2420 2540 2696 2794 2816 3221 3370 3520 3707 3872 4064 4840 5080 5392 5588 6442 6740 6985 7040 7414 7744 8128 9680 10160 10784 11176 12884 13480 13970 14080 14828 15367 15488 16105 16256 18535 19360 20320 21568 22352 25768 26960 27940 29656 30734 30976 32210 32512 35431 37070 38720 40640 40777 42799 43136 44704 51536 53920 55880 59312 61468 64420 70862 74140 76835 77440 81280 81554 85598 86272 89408 103072 107840 111760 118624 122936 128840 141724 148280 153670 154880 162560 163108 171196 177155 178816 203885 206144 213995 215680 223520 237248 245872 257680 283448 296560 307340 326216 342392 354310 357632 389741 407770 409067 412288 427990 431360 447040 470789 474496 491744 515360 566896 593120 614680 652432 684784 708620 779482 815540 818134 824576 855980 894080 941578 948992 983488 1030720 1085477 1133792 1186240 1229360 1304864 1369568 1417240 1558964 1631080 1636268 1711960 1788160 1883156 1948705 1966976 2045335 2061440 2170954 2267584 2353945 2372480 2458720 2609728 2739136 2834480 3117928 3262160 3272536 3423920 3766312 3897410 3933952 4090670 4122880 4341908 4499737 4535168 4707890 4744960 4917440 5178679 5219456 5427385 5478272 5668960 6235856 6524320 6545072 6847840 7532624 7794820 8181340 8683816 8999474 9070336 9415780 9834880 10357358 10438912 10854770 10956544 11337920 11940247 12471712 13048640 13090144 13695680 15065248 15589640 16362680 17367632 17998948 18831560 19669760 20714716 21709540 22498685 22675840 23880494 24943424 25893395 26097280 26180288 27391360 30130496 31179280 32725360 34735264 35997896 37663120 41429432 43419080 44997370 45351680 47760988 49497107 49886848 51786790 52194560 52360576 54782720 59701235 60260992 62358560 65450720 69470528 71995792 75326240 82858864 86838160 89994740 95521976 98994214 99773696 103573580 104721152 119402470 120521984 124717120 130901440 131342717 137855579 138941056 143991584 150652480 165717728 173676320 179989480 191043952 197988428 207147160 238804940 247485535 249434240 261802880 262685434 275711158 277882112 287983168 301304960 331435456 347352640 359978960 382087904 395976856 414294320 477609880 494971070 498868480 523605760 525370868 551422316 575966336 602609920 656713585 662870912 689277895 694705280 719957920 764175808 791953712 828588640 955219760 989942140 1050741736 1102844632 1151932672 1313427170 1325741824 1378555790 1389410560 1439915840 1516411369 1528351616 1583907424 1657177280 1910439520 1979884280 2101483472 2205689264 2626854340 2757111580 2879831680 3032822738 3056703232 3167814848 3314354560 3820879040 3959768560 4202966944 4411378528 5253708680 5514223160 5759663360 6065645476 6335629696 6628709120 7582056845 7641758080 7919537120 8405933888 8822757056 10507417360 11028446320 12131290952 12671259392 15164113690 15283516160 15839074240 16680525059 16811867776 17645514112 21014834720 22056892640 24262581904 30328227380 31678148480 33361050118 33623735552 35291028224 42029669440 44113785280 48525163808 60656454760 63356296960 66722100236 83402625295 84059338880 88227570560 97050327616 121312909520 133444200472 166805250590 168118677760 176455141120 194100655232 242625819040 266888400944 333610501180 388201310464 485251638080 533776801888 667221002360 970503276160 1067553603776 1334442004720 1941006552320 2135107207552 2668884009440 4270214415104 5337768018880 10675536037760 21351072075520
• Sum of all divisors σ(n): 56842870017024
• Sum of proper divisors (its aliquot sum) s(n): 35491797941504
• 21351072075520 is an abundant number, because the sum of its proper divisors (35491797941504) is greater than itself. Its abundance is 14140725865984

Bases of 21351072075520

• Binary: 100110110101100101111000100010000111100000000₂
• Hexadecimal: 0x136B2F110F00
• Base-36: 7KGJP1MV4

Squares and roots of 21351072075520

• 21351072075520 squared (21351072075520²) is 455868278774049920583270400
• 21351072075520 cubed (21351072075520³) is 9733276477047983998983938308317380608000
• The square root of 21351072075520 is 4620722.0296745833
• The cube root of 21351072075520 is 27742.1359424477

Scales and comparisons

• 21,351,072,075,520 seconds is equal to 678,898 years, 2 weeks, 3 days, 18 hours, 18 minutes, 40 seconds.
• To count from 1 to 21,351,072,075,520 would take you about one million, six hundred ninety-seven thousand, two hundred forty-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 21351072075520 cubic inches would be around 2311.8 feet tall.

Recreational maths with 21351072075520

• 21351072075520 backwards is 02557027015312
• 21351072075520 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21351072075520's digits is 40
• More coming soon!