21104085720648

Names of 21104085720648

• Cardinal: 21104085720648 can be written as Twenty-one trillion, one hundred four billion, eighty-five million, seven hundred twenty thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 2.1104085720648 × 10¹³

Factors of 21104085720648

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 14650

Divisors of 21104085720648

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 21 23 24 28 42 46 49 53 56 69 84 92 98 106 138 147 159 161 168 184 196 212 276 294 318 322 371 392 424 483 552 588 636 644 742 966 1093 1113 1127 1176 1219 1272 1288 1484 1932 2186 2226 2254 2438 2597 2968 3279 3381 3657 3864 4372 4452 4508 4876 5194 6558 6762 7314 7651 7791 8533 8744 8904 9016 9752 10388 13116 13469 13524 14628 15302 15582 17066 20776 22953 25139 25599 26232 26938 27048 29256 30604 31164 34132 40407 45906 50278 51198 53557 53876 57929 59731 61208 62328 68264 75417 80814 91812 94283 100556 102396 107114 107752 115858 119462 150834 160671 161628 173787 175973 179193 183624 188566 201112 204792 214228 231716 238924 282849 301668 309787 321342 323256 347574 351946 358386 377132 405503 428456 463432 477848 527919 565698 603336 619574 642684 659981 695148 703892 713857 716772 754264 811006 929361 1055838 1131396 1216509 1231811 1239148 1285368 1319962 1332367 1390296 1407784 1427714 1433544 1622012 1858722 1979943 2111676 2141571 2168509 2262792 2433018 2463622 2478296 2639924 2664734 2838521 2855428 3244024 3695433 3717444 3959886 3997101 4223352 4283142 4337018 4866036 4927244 4996999 5279848 5329468 5677042 5710856 6505527 7390866 7434888 7919772 7994202 8515563 8566284 8674036 9326569 9732072 9854488 9993998 10658936 11354084 13011054 14721617 14781732 14990997 15179563 15839544 15988404 16418711 17031126 17132568 17348072 18653138 19987996 22708168 26022108 27979707 29443234 29563464 29981994 30359126 31976808 32837422 34062252 34978993 37306276 39975992 44164851 45538689 49256133 52044216 55959414 58886468 59963988 60718252 65285983 65674844 68124504 69957986 74612552 88329702 91077378 98512266 103051319 104936979 111918828 114930977 117772936 119927976 121436504 130571966 131349688 139915972 176659404 182154756 195857949 197024532 206102638 209873958 223837656 229861954 261143932 279831944 309153957 338597191 344792931 353318808 364309512 391715898 394049064 412205276 419747916 459723908 522287864 618307914 677194382 689585862 721359233 780245701 783431796 804516839 824410552 839495832 919447816 1015791573 1236615828 1354388764 1379171724 1442718466 1560491402 1566863592 1609033678 2031583146 2164077699 2340737103 2370180337 2413550517 2473231656 2708777528 2758343448 2885436932 3120982804 3218067356 4063166292 4328155398 4681474206 4740360674 4827101034 5461719907 5770873864 6241965608 6436134712 7110541011 8126332584 8656310796 9362948412 9480721348 9654202068 10923439814 14221082022 16385159721 16591262359 17312621592 17945651123 18725896824 18961442696 19308404136 21846879628 28442164044 32770319442 33182524718 35891302246 38232039349 43693759256 49773787077 53836953369 56884328088 65540638884 66365049436 71782604492 76464078698 99547574154 107673906738 114696118047 125619557861 131081277768 132730098872 143565208984 152928157396 199095148308 215347813476 229392236094 251239115722 305856314792 376858673583 398190296616 430695626952 458784472188 502478231444 753717347166 879336905027 917568944376 1004956462888 1507434694332 1758673810054 2638010715081 3014869388664 3517347620108 5276021430162 7034695240216 10552042860324 21104085720648
• Sum of all divisors σ(n): 65315465337600
• Sum of proper divisors (its aliquot sum) s(n): 44211379616952
• 21104085720648 is an abundant number, because the sum of its proper divisors (44211379616952) is greater than itself. Its abundance is 23107293896304

Bases of 21104085720648

• Binary: 100110011000110101101100010000101111001001000₂
• Hexadecimal: 0x1331AD885E48
• Base-36: 7HB2ZQVRC

Squares and roots of 21104085720648

• 21104085720648 squared (21104085720648²) is 445382434104458813493539904
• 21104085720648 cubed (21104085720648³) is 9399389067811358051476848111400384737792
• The square root of 21104085720648 is 4593918.3406595293
• The cube root of 21104085720648 is 27634.7483468237

Scales and comparisons

• 21,104,085,720,648 seconds is equal to 671,044 years, 33 weeks, 4 days, 9 hours, 30 minutes, 48 seconds.
• To count from 1 to 21,104,085,720,648 would take you about one million, six hundred seventy-seven thousand, six hundred eleven 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 21104085720648 cubic inches would be around 2302.9 feet tall.

Recreational maths with 21104085720648

• 21104085720648 backwards is 84602758040112
• The number of decimal digits it has is: 14
• The sum of 21104085720648's digits is 48
• More coming soon!