21455741358909

Names of 21455741358909

• Cardinal: 21455741358909 can be written as Twenty-one trillion, four hundred fifty-five billion, seven hundred forty-one million, three hundred fifty-eight thousand, nine hundred nine.

Scientific notation

• Scientific notation: 2.1455741358909 × 10¹³

Factors of 21455741358909

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 123

Divisors of 21455741358909

• Number of divisors d(n): 360
• Complete list of divisors:
  1 3 9 11 13 17 27 33 39 51 79 81 99 117 143 153 169 187 221 237 289 297 351 429 459 507 561 663 711 867 869 891 1027 1053 1287 1343 1377 1521 1683 1859 1989 2133 2431 2601 2607 2873 3081 3179 3757 3861 4029 4563 5049 5577 5967 6241 6399 7293 7803 7821 8619 9243 9537 11271 11297 11583 12087 13351 13689 14773 15147 16731 17459 17901 18723 21879 22831 23409 23463 25857 27729 28611 31603 33813 33891 36261 40053 41327 44319 48841 50193 52377 56169 65637 68493 68651 70389 77571 81133 83187 85833 94809 101439 101673 106097 108783 120159 123981 132957 146523 146861 150579 157131 168507 192049 196911 205479 205953 226967 232713 243399 251141 257499 284427 296803 304317 305019 318291 360477 371943 398871 439569 440583 471393 493039 505521 537251 576147 616437 617859 680901 730197 753423 853281 890409 892463 915057 954873 1054729 1081431 1115829 1167067 1196613 1318707 1321749 1379261 1414179 1479117 1611753 1728441 1803649 1849311 1853577 2042703 2190591 2260269 2496637 2559843 2671227 2677389 2864619 3164187 3264833 3347487 3501201 3858439 3956121 3965247 4137783 4437351 4835259 5185323 5410947 5423429 5560731 6128109 6409507 6571773 6780807 7489911 8013681 8032167 8381663 8593857 9492561 9794499 10503603 11575317 11602019 11895741 12413349 13312053 14505777 15171871 15555969 16232841 16270287 17930393 18384327 19228521 19840139 20342421 22469733 23447437 24041043 24096501 25144989 28477683 29383497 31510809 34725951 34806057 37240047 39936159 42442829 43517331 45515613 48698523 48810861 53791179 57685563 59520417 67409199 70342311 70504577 72289503 75434967 83323591 85433049 88150491 92198293 94532427 104177853 104418171 108961619 111720141 127328487 136546839 142488271 146095569 146432583 161373537 173056689 178561251 197234323 202227597 211026933 211513731 226304901 249970773 257921807 264451473 276594879 304816681 312533559 313254513 326884857 381985461 409640517 427464813 439297749 484120611 519170067 535683753 591702969 633080799 634541193 678914703 749912319 773765421 829784637 914450043 916559501 939763539 980654571 1145956383 1198577809 1228921551 1282394439 1416501047 1452361833 1567370981 1607051259 1775108907 1852347523 1899242397 1903623579 2249736957 2321296263 2489353911 2743350129 2749678503 2941963713 3352983491 3437869149 3595733427 3847183317 4249503141 4702112943 5325326721 5557042569 5710870737 6749210871 6963888789 7468061733 8230050387 8249035509 8825891139 10058950473 10787200281 11541549951 12748509423 14106338829 15581511517 15975980163 16671127707 20375822753 20891666367 24080517799 24690151161 24747106527 30176851419 32361600843 38245528269 42319016487 46744534551 50013383121 61127468259 72241553397 74241319581 90530554257 97084802529 114736584807 126957049461 140233603653 150040149363 183382404777 216724660191 264885695789 271591662771 420700810959 550147214331 650173980573 794657087367 1262102432877 1650441642993 1950521941719 2383971262101 7151913786303 21455741358909
• Sum of all divisors σ(n): 40735198120320
• Sum of proper divisors (its aliquot sum) s(n): 19279456761411
• 21455741358909 is a deficient number, because the sum of its proper divisors (19279456761411) is less than itself. Its deficiency is 2176284597498

Bases of 21455741358909

• Binary: 100111000001110001101110101111001001100111101₂
• Hexadecimal: 0x13838DD7933D
• Base-36: 7LSMQFMT9

Squares and roots of 21455741358909

• 21455741358909 squared (21455741358909²) is 460348837260398221953670281
• 21455741358909 cubed (21455741358909³) is 9877125587133594639390728991703067883429
• The square root of 21455741358909 is 4632034.2570957957
• The cube root of 21455741358909 is 27787.3954551931

Scales and comparisons

• 21,455,741,358,909 seconds is equal to 682,226 years, 10 weeks, 5 days, 19 hours, 15 minutes, 9 seconds.
• To count from 1 to 21,455,741,358,909 would take you about one million, seven hundred five thousand, five hundred sixty-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 21455741358909 cubic inches would be around 2315.6 feet tall.

Recreational maths with 21455741358909

• 21455741358909 backwards is 90985314755412
• The number of decimal digits it has is: 14
• The sum of 21455741358909's digits is 63
• More coming soon!